From eda291d640f19e31299fbef12ac82ead6b2b6ff2 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Tue, 8 Dec 2020 12:36:38 -1000
Subject: [PATCH 01/11] Infer template literal types for template literal
 expressions

---
 src/compiler/checker.ts | 40 ++++++++++++++++++++++------------------
 src/compiler/types.ts   |  7 ++++++-
 2 files changed, 28 insertions(+), 19 deletions(-)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index bebda41082c3b..ab7f0a0b0b882 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -13137,7 +13137,7 @@ namespace ts {
                 i--;
                 const t = types[i];
                 const remove =
-                    t.flags & TypeFlags.StringLiteral && includes & TypeFlags.String ||
+                    t.flags & TypeFlags.StringLikeLiteral && includes & TypeFlags.String ||
                     t.flags & TypeFlags.NumberLiteral && includes & TypeFlags.Number ||
                     t.flags & TypeFlags.BigIntLiteral && includes & TypeFlags.BigInt ||
                     t.flags & TypeFlags.UniqueESSymbol && includes & TypeFlags.ESSymbol ||
@@ -13184,7 +13184,7 @@ namespace ts {
                 }
                 switch (unionReduction) {
                     case UnionReduction.Literal:
-                        if (includes & (TypeFlags.Literal | TypeFlags.UniqueESSymbol)) {
+                        if (includes & (TypeFlags.FreshableLiteral | TypeFlags.UniqueESSymbol)) {
                             removeRedundantLiteralTypes(typeSet, includes);
                         }
                         if (includes & TypeFlags.StringLiteral && includes & TypeFlags.TemplateLiteral) {
@@ -13715,6 +13715,7 @@ namespace ts {
             let type = templateLiteralTypes.get(id);
             if (!type) {
                 templateLiteralTypes.set(id, type = createTemplateLiteralType(newTexts, newTypes));
+                type.regularType = type;
             }
             return type;
 
@@ -14753,26 +14754,28 @@ namespace ts {
         }
 
         function getFreshTypeOfLiteralType(type: Type): Type {
-            if (type.flags & TypeFlags.Literal) {
-                if (!(<LiteralType>type).freshType) {
-                    const freshType = createLiteralType(type.flags, (<LiteralType>type).value, (<LiteralType>type).symbol);
-                    freshType.regularType = <LiteralType>type;
+            if (type.flags & TypeFlags.FreshableLiteral) {
+                if (!(<FreshableLiteralType>type).freshType) {
+                    const freshType = type.flags & TypeFlags.TemplateLiteral ?
+                        createTemplateLiteralType((<TemplateLiteralType>type).texts, (<TemplateLiteralType>type).types) :
+                        createLiteralType(type.flags, (<LiteralType>type).value, (<LiteralType>type).symbol);
+                    freshType.regularType = <FreshableLiteralType>type;
                     freshType.freshType = freshType;
-                    (<LiteralType>type).freshType = freshType;
+                    (<FreshableLiteralType>type).freshType = freshType;
                 }
-                return (<LiteralType>type).freshType;
+                return (<FreshableLiteralType>type).freshType;
             }
             return type;
         }
 
         function getRegularTypeOfLiteralType(type: Type): Type {
-            return type.flags & TypeFlags.Literal ? (<LiteralType>type).regularType :
+            return type.flags & TypeFlags.FreshableLiteral ? (<FreshableLiteralType>type).regularType :
                 type.flags & TypeFlags.Union ? ((<UnionType>type).regularType || ((<UnionType>type).regularType = getUnionType(sameMap((<UnionType>type).types, getRegularTypeOfLiteralType)) as UnionType)) :
                 type;
         }
 
         function isFreshLiteralType(type: Type) {
-            return !!(type.flags & TypeFlags.Literal) && (<LiteralType>type).freshType === type;
+            return !!(type.flags & TypeFlags.FreshableLiteral) && (<FreshableLiteralType>type).freshType === type;
         }
 
         function getLiteralType(value: string): StringLiteralType;
@@ -19100,7 +19103,7 @@ namespace ts {
 
         function getBaseTypeOfLiteralType(type: Type): Type {
             return type.flags & TypeFlags.EnumLiteral ? getBaseTypeOfEnumLiteralType(<LiteralType>type) :
-                type.flags & TypeFlags.StringLiteral ? stringType :
+                type.flags & TypeFlags.StringLikeLiteral ? stringType :
                 type.flags & TypeFlags.NumberLiteral ? numberType :
                 type.flags & TypeFlags.BigIntLiteral ? bigintType :
                 type.flags & TypeFlags.BooleanLiteral ? booleanType :
@@ -19110,7 +19113,7 @@ namespace ts {
 
         function getWidenedLiteralType(type: Type): Type {
             return type.flags & TypeFlags.EnumLiteral && isFreshLiteralType(type) ? getBaseTypeOfEnumLiteralType(<LiteralType>type) :
-                type.flags & TypeFlags.StringLiteral && isFreshLiteralType(type) ? stringType :
+                type.flags & TypeFlags.StringLikeLiteral && isFreshLiteralType(type) ? stringType :
                 type.flags & TypeFlags.NumberLiteral && isFreshLiteralType(type) ? numberType :
                 type.flags & TypeFlags.BigIntLiteral && isFreshLiteralType(type) ? bigintType :
                 type.flags & TypeFlags.BooleanLiteral && isFreshLiteralType(type) ? booleanType :
@@ -20611,7 +20614,7 @@ namespace ts {
         }
 
         function isTypeOrBaseIdenticalTo(s: Type, t: Type) {
-            return isTypeIdenticalTo(s, t) || !!(t.flags & TypeFlags.String && s.flags & TypeFlags.StringLiteral || t.flags & TypeFlags.Number && s.flags & TypeFlags.NumberLiteral);
+            return isTypeIdenticalTo(s, t) || !!(t.flags & TypeFlags.String && s.flags & TypeFlags.StringLikeLiteral || t.flags & TypeFlags.Number && s.flags & TypeFlags.NumberLiteral);
         }
 
         function isTypeCloselyMatchedBy(s: Type, t: Type) {
@@ -30753,7 +30756,7 @@ namespace ts {
                 texts.push(span.literal.text);
                 types.push(isTypeAssignableTo(type, templateConstraintType) ? type : stringType);
             }
-            return isConstContext(node) ? getTemplateLiteralType(texts, types) : stringType;
+            return getFreshTypeOfLiteralType(getTemplateLiteralType(texts, types));
         }
 
         function getContextNode(node: Expression): Node {
@@ -30774,7 +30777,7 @@ namespace ts {
                 // We strip literal freshness when an appropriate contextual type is present such that contextually typed
                 // literals always preserve their literal types (otherwise they might widen during type inference). An alternative
                 // here would be to not mark contextually typed literals as fresh in the first place.
-                const result = maybeTypeOfKind(type, TypeFlags.Literal) && isLiteralOfContextualType(type, instantiateContextualType(contextualType, node)) ?
+                const result = maybeTypeOfKind(type, TypeFlags.FreshableLiteral) && isLiteralOfContextualType(type, instantiateContextualType(contextualType, node)) ?
                     getRegularTypeOfLiteralType(type) : type;
                 return result;
             }
@@ -30864,7 +30867,7 @@ namespace ts {
                     // this a literal context for literals of that primitive type. For example, given a
                     // type parameter 'T extends string', infer string literal types for T.
                     const constraint = getBaseConstraintOfType(contextualType) || unknownType;
-                    return maybeTypeOfKind(constraint, TypeFlags.String) && maybeTypeOfKind(candidateType, TypeFlags.StringLiteral) ||
+                    return maybeTypeOfKind(constraint, TypeFlags.String) && maybeTypeOfKind(candidateType, TypeFlags.StringLikeLiteral) ||
                         maybeTypeOfKind(constraint, TypeFlags.Number) && maybeTypeOfKind(candidateType, TypeFlags.NumberLiteral) ||
                         maybeTypeOfKind(constraint, TypeFlags.BigInt) && maybeTypeOfKind(candidateType, TypeFlags.BigIntLiteral) ||
                         maybeTypeOfKind(constraint, TypeFlags.ESSymbol) && maybeTypeOfKind(candidateType, TypeFlags.UniqueESSymbol) ||
@@ -30872,7 +30875,7 @@ namespace ts {
                 }
                 // If the contextual type is a literal of a particular primitive type, we consider this a
                 // literal context for all literals of that primitive type.
-                return !!(contextualType.flags & (TypeFlags.StringLiteral | TypeFlags.Index | TypeFlags.TemplateLiteral | TypeFlags.StringMapping) && maybeTypeOfKind(candidateType, TypeFlags.StringLiteral) ||
+                return !!(contextualType.flags & (TypeFlags.StringLikeLiteral | TypeFlags.Index | TypeFlags.StringMapping) && maybeTypeOfKind(candidateType, TypeFlags.StringLikeLiteral) ||
                     contextualType.flags & TypeFlags.NumberLiteral && maybeTypeOfKind(candidateType, TypeFlags.NumberLiteral) ||
                     contextualType.flags & TypeFlags.BigIntLiteral && maybeTypeOfKind(candidateType, TypeFlags.BigIntLiteral) ||
                     contextualType.flags & TypeFlags.BooleanLiteral && maybeTypeOfKind(candidateType, TypeFlags.BooleanLiteral) ||
@@ -38398,7 +38401,8 @@ namespace ts {
 
         function isLiteralConstDeclaration(node: VariableDeclaration | PropertyDeclaration | PropertySignature | ParameterDeclaration): boolean {
             if (isDeclarationReadonly(node) || isVariableDeclaration(node) && isVarConst(node)) {
-                return isFreshLiteralType(getTypeOfSymbol(getSymbolOfNode(node)));
+                const type = getTypeOfSymbol(getSymbolOfNode(node));
+                return !!(type.flags & TypeFlags.Literal) && isFreshLiteralType(type);
             }
             return false;
         }
diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index 34245a5e404a7..54a5d236b6e99 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -4894,6 +4894,8 @@ namespace ts {
         Literal = StringLiteral | NumberLiteral | BigIntLiteral | BooleanLiteral,
         Unit = Literal | UniqueESSymbol | Nullable,
         StringOrNumberLiteral = StringLiteral | NumberLiteral,
+        StringLikeLiteral = StringLiteral | TemplateLiteral,
+        FreshableLiteral = Literal | TemplateLiteral,
         /* @internal */
         StringOrNumberLiteralOrUnique = StringLiteral | NumberLiteral | UniqueESSymbol,
         /* @internal */
@@ -4988,7 +4990,8 @@ namespace ts {
     }
 
     /* @internal */
-    export type FreshableType = LiteralType | FreshableIntrinsicType;
+    export type FreshableLiteralType = LiteralType | TemplateLiteralType;
+    export type FreshableType = FreshableLiteralType | FreshableIntrinsicType;
 
     // String literal types (TypeFlags.StringLiteral)
     // Numeric literal types (TypeFlags.NumberLiteral)
@@ -5386,6 +5389,8 @@ namespace ts {
     export interface TemplateLiteralType extends InstantiableType {
         texts: readonly string[];  // Always one element longer than types
         types: readonly Type[];  // Always at least one element
+        freshType: TemplateLiteralType;  // Fresh version of type
+        regularType: TemplateLiteralType;  // Regular version of type
     }
 
     export interface StringMappingType extends InstantiableType {

From 4acf495322a251272cb459a1c1c22365092c495a Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Tue, 8 Dec 2020 12:36:50 -1000
Subject: [PATCH 02/11] Update test

---
 .../dynamicImport/importCallExpressionDeclarationEmit1.ts       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/cases/conformance/dynamicImport/importCallExpressionDeclarationEmit1.ts b/tests/cases/conformance/dynamicImport/importCallExpressionDeclarationEmit1.ts
index fb29995114862..33d6e1fdb87b3 100644
--- a/tests/cases/conformance/dynamicImport/importCallExpressionDeclarationEmit1.ts
+++ b/tests/cases/conformance/dynamicImport/importCallExpressionDeclarationEmit1.ts
@@ -10,7 +10,7 @@ declare const moduleFile: number;
 
 import(getSpecifier());
 
-var p0 = import(`${directory}\${moduleFile}`);
+var p0 = import(`${directory}\\${moduleFile}`);
 var p1 = import(getSpecifier());
 const p2 = import(whatToLoad ? getSpecifier() : "defaulPath")
 

From 537fd3722b30218a8b11c311d5fe5311e871d9c8 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Tue, 8 Dec 2020 14:31:20 -1000
Subject: [PATCH 03/11] Update another test

---
 .../dynamicImport/importCallExpressionReturnPromiseOfAny.ts   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tests/cases/conformance/dynamicImport/importCallExpressionReturnPromiseOfAny.ts b/tests/cases/conformance/dynamicImport/importCallExpressionReturnPromiseOfAny.ts
index 34f0b63be6f10..b397075659365 100644
--- a/tests/cases/conformance/dynamicImport/importCallExpressionReturnPromiseOfAny.ts
+++ b/tests/cases/conformance/dynamicImport/importCallExpressionReturnPromiseOfAny.ts
@@ -12,7 +12,7 @@ declare var whatToLoad: boolean;
 declare const directory: string;
 declare const moduleFile: number;
 
-import(`${directory}\${moduleFile}`);
+import(`${directory}\\${moduleFile}`);
 import(getSpecifier());
 
 var p1 = import(ValidSomeCondition() ? "./0" : "externalModule");
@@ -28,7 +28,7 @@ var p3: Promise<typeof defaultModule> = import(j=getSpecifier());
 
 function * loadModule(directories: string[]) {
     for (const directory of directories) {
-        const path = `${directory}\moduleFile`;
+        const path = `${directory}\\moduleFile`;
         import(yield path);
     }
 }

From e88ceca03f4717253fd6b099aeddc292a89558c5 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Tue, 8 Dec 2020 14:36:09 -1000
Subject: [PATCH 04/11] Accept new baselines

---
 .../reference/TemplateExpression1.types       |   2 +-
 .../accessorsOverrideProperty2.types          |   2 +-
 .../reference/api/tsserverlibrary.d.ts        |   5 +
 tests/baselines/reference/api/typescript.d.ts |   5 +
 tests/baselines/reference/asOperator3.types   |  12 +-
 .../checkJsObjectLiteralIndexSignatures.types |   2 +-
 .../computedPropertyNames10_ES5.types         |   2 +-
 .../computedPropertyNames10_ES6.types         |   2 +-
 .../computedPropertyNames11_ES5.types         |   2 +-
 .../computedPropertyNames11_ES6.types         |   2 +-
 .../computedPropertyNames12_ES5.types         |   2 +-
 .../computedPropertyNames12_ES6.types         |   2 +-
 .../computedPropertyNames13_ES5.types         |   2 +-
 .../computedPropertyNames13_ES6.types         |   2 +-
 .../computedPropertyNames16_ES5.types         |   2 +-
 .../computedPropertyNames16_ES6.types         |   2 +-
 .../computedPropertyNames4_ES5.types          |   2 +-
 .../computedPropertyNames4_ES6.types          |   2 +-
 .../declFileEmitDeclarationOnly.types         |   2 +-
 .../declarationNoDanglingGenerics.types       |   2 +-
 ...InitializerContextualTypeFromContext.types |   4 +-
 .../destructuringParameterProperties4.types   |   4 +-
 ...onentiationOperatorInTempalteString4.types |  34 ++--
 ...ntiationOperatorInTempalteString4ES6.types |  34 ++--
 ...onentiationOperatorInTemplateString1.types |  36 ++--
 ...ntiationOperatorInTemplateString1ES6.types |  36 ++--
 ...onentiationOperatorInTemplateString2.types |  38 ++--
 ...ntiationOperatorInTemplateString2ES6.types |  38 ++--
 ...onentiationOperatorInTemplateString3.types |  38 ++--
 ...ntiationOperatorInTemplateString3ES6.types |  38 ++--
 ...umConstantMemberWithTemplateLiterals.types |   2 +-
 .../esModuleInteropImportTSLibHasImport.types |   4 +-
 ...atorInTemplateStringWithSyntaxError1.types |  36 ++--
 ...atorInTemplateStringWithSyntaxError2.types |  36 ++--
 ...atorInTemplateStringWithSyntaxError3.types |  36 ++--
 ...ionOperatorWithTemplateStringInvalid.types |  24 +--
 ...OperatorWithTemplateStringInvalidES6.types |  24 +--
 .../importCallExpressionDeclarationEmit1.js   |   4 +-
 ...portCallExpressionDeclarationEmit1.symbols |   3 +-
 ...importCallExpressionDeclarationEmit1.types |   7 +-
 .../importCallExpressionReturnPromiseOfAny.js |   8 +-
 ...rtCallExpressionReturnPromiseOfAny.symbols |   5 +-
 ...portCallExpressionReturnPromiseOfAny.types |  17 +-
 ...mportCallExpressionShouldNotGetParen.types |   2 +-
 .../reference/inferenceErasedSignatures.types |   2 +-
 ...mplateEscapeSequences(target=es2015).types |  36 ++--
 ...dTemplateEscapeSequences(target=es5).types |  36 ++--
 ...mplateEscapeSequences(target=esnext).types |  36 ++--
 .../jsDeclarationsExportedClassAliases.types  |   2 +-
 .../jsdocTypeFromChainedAssignment2.types     |  30 +--
 .../reference/noImplicitSymbolToString.types  |   8 +-
 .../parenthesizedContexualTyping3.types       |  16 +-
 .../privateNameFieldCallExpression.types      |   4 +-
 .../propertyOverridesAccessors2.types         |   2 +-
 .../reference/recursiveTypeReferences1.types  |   2 +-
 ...teralTypesWithTemplateStrings02.errors.txt |   7 +-
 ...ingLiteralTypesWithTemplateStrings02.types |   2 +-
 .../reference/taggedTemplateChain.types       |   2 +-
 .../taggedTemplateContextualTyping1.types     |   8 +-
 .../taggedTemplateContextualTyping2.types     |   6 +-
 ...gedTemplateStringsHexadecimalEscapes.types |   2 +-
 ...TemplateStringsHexadecimalEscapesES6.types |   2 +-
 ...ainCharactersThatArePartsOfEscapes02.types |   2 +-
 ...haractersThatArePartsOfEscapes02_ES6.types |   2 +-
 ...TemplateStringsTypeArgumentInference.types |  22 +-
 ...plateStringsTypeArgumentInferenceES6.types |  22 +-
 ...edTemplateStringsWithCurriedFunction.types |   2 +-
 ...lateStringsWithIncompatibleTypedTags.types |  18 +-
 ...eStringsWithIncompatibleTypedTagsES6.types |  18 +-
 ...ingsWithManyCallAndMemberExpressions.types |   2 +-
 ...sWithManyCallAndMemberExpressionsES6.types |   2 +-
 ...mplateStringsWithOverloadResolution1.types |  10 +-
 ...teStringsWithOverloadResolution1_ES6.types |  10 +-
 ...mplateStringsWithOverloadResolution2.types |   4 +-
 ...teStringsWithOverloadResolution2_ES6.types |   4 +-
 ...mplateStringsWithOverloadResolution3.types |  36 ++--
 ...teStringsWithOverloadResolution3_ES6.types |  36 ++--
 ...edTemplateStringsWithTagNamedDeclare.types |   2 +-
 ...emplateStringsWithTagNamedDeclareES6.types |   2 +-
 ...gedTemplateStringsWithTagsTypedAsAny.types |  16 +-
 ...TemplateStringsWithTagsTypedAsAnyES6.types |  16 +-
 .../taggedTemplateStringsWithTypedTags.types  |  14 +-
 ...aggedTemplateStringsWithTypedTagsES6.types |  14 +-
 ...gedTemplateStringsWithUnicodeEscapes.types |   2 +-
 ...TemplateStringsWithUnicodeEscapesES6.types |   2 +-
 ...esWithIncompleteTemplateExpressions1.types |   2 +-
 ...esWithIncompleteTemplateExpressions2.types |   2 +-
 ...esWithIncompleteTemplateExpressions3.types |   2 +-
 ...esWithIncompleteTemplateExpressions4.types |   2 +-
 ...esWithIncompleteTemplateExpressions5.types |   2 +-
 ...esWithIncompleteTemplateExpressions6.types |   2 +-
 .../taggedTemplatesWithTypeArguments1.types   |  18 +-
 .../taggedTemplatesWithTypeArguments2.types   |   8 +-
 .../reference/templateLiteralTypes1.types     |   2 +-
 .../templateStringBinaryOperations.types      |  96 ++++-----
 .../templateStringBinaryOperationsES6.types   |  96 ++++-----
 ...lateStringBinaryOperationsES6Invalid.types | 192 +++++++++---------
 ...emplateStringBinaryOperationsInvalid.types | 192 +++++++++---------
 .../reference/templateStringInArray.types     |   2 +-
 .../templateStringInArrowFunction.types       |   6 +-
 .../templateStringInArrowFunctionES6.types    |   6 +-
 .../templateStringInCallExpression.types      |   6 +-
 .../templateStringInCallExpressionES6.types   |   6 +-
 .../templateStringInConditional.types         |   8 +-
 .../templateStringInConditionalES6.types      |   8 +-
 .../templateStringInDeleteExpression.types    |   2 +-
 .../templateStringInDeleteExpressionES6.types |   2 +-
 .../reference/templateStringInDivision.types  |   2 +-
 .../templateStringInEqualityChecks.errors.txt |  13 ++
 .../templateStringInEqualityChecks.types      |   8 +-
 ...mplateStringInEqualityChecksES6.errors.txt |  13 ++
 .../templateStringInEqualityChecksES6.types   |   8 +-
 .../templateStringInFunctionExpression.types  |   4 +-
 ...emplateStringInFunctionExpressionES6.types |   4 +-
 .../templateStringInInOperator.types          |   2 +-
 .../templateStringInInOperatorES6.types       |   2 +-
 .../templateStringInIndexExpression.types     |   2 +-
 .../templateStringInIndexExpressionES6.types  |   2 +-
 .../templateStringInInstanceOf.types          |   2 +-
 .../templateStringInInstanceOfES6.types       |   2 +-
 .../templateStringInModuleName.types          |   2 +-
 .../templateStringInModuleNameES6.types       |   2 +-
 .../reference/templateStringInModulo.types    |   2 +-
 .../reference/templateStringInModuloES6.types |   2 +-
 .../templateStringInMultiplication.types      |   2 +-
 .../templateStringInMultiplicationES6.types   |   2 +-
 .../templateStringInNewExpression.types       |   6 +-
 .../templateStringInNewExpressionES6.types    |   6 +-
 .../templateStringInNewOperator.types         |   2 +-
 .../templateStringInNewOperatorES6.types      |   2 +-
 .../templateStringInObjectLiteral.types       |   2 +-
 .../templateStringInObjectLiteralES6.types    |   2 +-
 .../templateStringInParentheses.types         |   4 +-
 .../templateStringInParenthesesES6.types      |   4 +-
 .../templateStringInPropertyAssignment.types  |   2 +-
 ...emplateStringInPropertyAssignmentES6.types |   2 +-
 .../templateStringInPropertyName2.types       |   2 +-
 .../templateStringInPropertyNameES6_2.types   |   2 +-
 .../templateStringInSwitchAndCase.errors.txt  |  15 ++
 .../templateStringInSwitchAndCase.types       |   6 +-
 ...emplateStringInSwitchAndCaseES6.errors.txt |  15 ++
 .../templateStringInSwitchAndCaseES6.types    |   6 +-
 .../templateStringInTaggedTemplate.types      |   6 +-
 .../templateStringInTaggedTemplateES6.types   |   6 +-
 .../templateStringInTypeAssertion.types       |   2 +-
 .../templateStringInTypeAssertionES6.types    |   2 +-
 .../reference/templateStringInTypeOf.types    |   2 +-
 .../reference/templateStringInTypeOfES6.types |   2 +-
 .../reference/templateStringInUnaryPlus.types |   2 +-
 .../templateStringInUnaryPlusES6.types        |   2 +-
 .../reference/templateStringInWhile.types     |   4 +-
 .../reference/templateStringInWhileES6.types  |   4 +-
 .../templateStringInYieldKeyword.types        |   4 +-
 ...ainCharactersThatArePartsOfEscapes02.types |   2 +-
 ...haractersThatArePartsOfEscapes02_ES6.types |   2 +-
 .../templateStringWithEmbeddedAddition.types  |   2 +-
 ...emplateStringWithEmbeddedAdditionES6.types |   2 +-
 .../templateStringWithEmbeddedArray.types     |   2 +-
 .../templateStringWithEmbeddedArrayES6.types  |   2 +-
 ...plateStringWithEmbeddedArrowFunction.types |   2 +-
 ...teStringWithEmbeddedArrowFunctionES6.types |   2 +-
 .../templateStringWithEmbeddedComments.types  |   2 +-
 ...emplateStringWithEmbeddedCommentsES6.types |   2 +-
 ...emplateStringWithEmbeddedConditional.types |   4 +-
 ...lateStringWithEmbeddedConditionalES6.types |   4 +-
 .../templateStringWithEmbeddedDivision.types  |   2 +-
 ...emplateStringWithEmbeddedDivisionES6.types |   2 +-
 ...StringWithEmbeddedFunctionExpression.types |   2 +-
 ...ingWithEmbeddedFunctionExpressionES6.types |   2 +-
 ...templateStringWithEmbeddedInOperator.types |   4 +-
 ...plateStringWithEmbeddedInOperatorES6.types |   4 +-
 ...templateStringWithEmbeddedInstanceOf.types |   4 +-
 ...plateStringWithEmbeddedInstanceOfES6.types |   4 +-
 .../templateStringWithEmbeddedModulo.types    |   2 +-
 .../templateStringWithEmbeddedModuloES6.types |   2 +-
 ...lateStringWithEmbeddedMultiplication.types |   2 +-
 ...eStringWithEmbeddedMultiplicationES6.types |   2 +-
 ...emplateStringWithEmbeddedNewOperator.types |   2 +-
 ...lateStringWithEmbeddedNewOperatorES6.types |   2 +-
 ...plateStringWithEmbeddedObjectLiteral.types |   2 +-
 ...teStringWithEmbeddedObjectLiteralES6.types |   2 +-
 ...lateStringWithEmbeddedTemplateString.types |   6 +-
 ...eStringWithEmbeddedTemplateStringES6.types |   6 +-
 ...gWithEmbeddedTypeAssertionOnAddition.types |   2 +-
 ...thEmbeddedTypeAssertionOnAdditionES6.types |   2 +-
 ...lateStringWithEmbeddedTypeOfOperator.types |   4 +-
 ...eStringWithEmbeddedTypeOfOperatorES6.types |   4 +-
 .../templateStringWithEmbeddedUnaryPlus.types |   2 +-
 ...mplateStringWithEmbeddedUnaryPlusES6.types |   2 +-
 ...mplateStringWithEmbeddedYieldKeyword.types |   2 +-
 ...ateStringWithEmbeddedYieldKeywordES6.types |   2 +-
 ...mplateStringWithEmptyLiteralPortions.types |  24 +--
 ...ateStringWithEmptyLiteralPortionsES6.types |  24 +--
 ...StringWithOpenCommentInStringPortion.types |   2 +-
 ...ingWithOpenCommentInStringPortionES6.types |   2 +-
 .../templateStringWithPropertyAccess.types    |   2 +-
 .../templateStringWithPropertyAccessES6.types |   2 +-
 ...lateStringsArrayTypeDefinedInES5Mode.types |   2 +-
 ...ateStringsArrayTypeNotDefinedES5Mode.types |   2 +-
 ...teStringsArrayTypeRedefinedInES6Mode.types |   2 +-
 .../truthinessCallExpressionCoercion.types    |   2 +-
 .../typeGuardIntersectionTypes.types          |   4 +-
 ...codeExtendedEscapesInTemplates20_ES5.types |   2 +-
 ...codeExtendedEscapesInTemplates20_ES6.types |   2 +-
 204 files changed, 1065 insertions(+), 984 deletions(-)
 create mode 100644 tests/baselines/reference/templateStringInEqualityChecks.errors.txt
 create mode 100644 tests/baselines/reference/templateStringInEqualityChecksES6.errors.txt
 create mode 100644 tests/baselines/reference/templateStringInSwitchAndCase.errors.txt
 create mode 100644 tests/baselines/reference/templateStringInSwitchAndCaseES6.errors.txt

diff --git a/tests/baselines/reference/TemplateExpression1.types b/tests/baselines/reference/TemplateExpression1.types
index e23083d83ec5e..a293dc672ee61 100644
--- a/tests/baselines/reference/TemplateExpression1.types
+++ b/tests/baselines/reference/TemplateExpression1.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/TemplateExpression1.ts ===
 var v = `foo ${ a 
 >v : string
->`foo ${ a : string
+>`foo ${ a : `foo ${any}`
 >a : any
 
diff --git a/tests/baselines/reference/accessorsOverrideProperty2.types b/tests/baselines/reference/accessorsOverrideProperty2.types
index 860b6f4f021cf..228dc06299b92 100644
--- a/tests/baselines/reference/accessorsOverrideProperty2.types
+++ b/tests/baselines/reference/accessorsOverrideProperty2.types
@@ -22,7 +22,7 @@ class Derived extends Base {
 >console.log : (...data: any[]) => void
 >console : Console
 >log : (...data: any[]) => void
->`x was set to ${value}` : string
+>`x was set to ${value}` : `x was set to ${number}`
 >value : number
 }
 
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index ccc5d1fa1fc44..b8ccd0e73d1cf 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -2484,6 +2484,8 @@ declare namespace ts {
         Literal = 2944,
         Unit = 109440,
         StringOrNumberLiteral = 384,
+        StringLikeLiteral = 134217856,
+        FreshableLiteral = 134220672,
         PossiblyFalsy = 117724,
         StringLike = 402653316,
         NumberLike = 296,
@@ -2509,6 +2511,7 @@ declare namespace ts {
         aliasSymbol?: Symbol;
         aliasTypeArguments?: readonly Type[];
     }
+    export type FreshableType = FreshableLiteralType | FreshableIntrinsicType;
     export interface LiteralType extends Type {
         value: string | number | PseudoBigInt;
         freshType: LiteralType;
@@ -2653,6 +2656,8 @@ declare namespace ts {
     export interface TemplateLiteralType extends InstantiableType {
         texts: readonly string[];
         types: readonly Type[];
+        freshType: TemplateLiteralType;
+        regularType: TemplateLiteralType;
     }
     export interface StringMappingType extends InstantiableType {
         symbol: Symbol;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index 440cebf6b0de6..a3dea2016e000 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -2484,6 +2484,8 @@ declare namespace ts {
         Literal = 2944,
         Unit = 109440,
         StringOrNumberLiteral = 384,
+        StringLikeLiteral = 134217856,
+        FreshableLiteral = 134220672,
         PossiblyFalsy = 117724,
         StringLike = 402653316,
         NumberLike = 296,
@@ -2509,6 +2511,7 @@ declare namespace ts {
         aliasSymbol?: Symbol;
         aliasTypeArguments?: readonly Type[];
     }
+    export type FreshableType = FreshableLiteralType | FreshableIntrinsicType;
     export interface LiteralType extends Type {
         value: string | number | PseudoBigInt;
         freshType: LiteralType;
@@ -2653,6 +2656,8 @@ declare namespace ts {
     export interface TemplateLiteralType extends InstantiableType {
         texts: readonly string[];
         types: readonly Type[];
+        freshType: TemplateLiteralType;
+        regularType: TemplateLiteralType;
     }
     export interface StringMappingType extends InstantiableType {
         symbol: Symbol;
diff --git a/tests/baselines/reference/asOperator3.types b/tests/baselines/reference/asOperator3.types
index e5e319d3caf3a..1e40a6e218d1a 100644
--- a/tests/baselines/reference/asOperator3.types
+++ b/tests/baselines/reference/asOperator3.types
@@ -5,7 +5,7 @@ declare function tag(...x: any[]): any;
 
 var a = `${123 + 456 as number}`;
 >a : string
->`${123 + 456 as number}` : string
+>`${123 + 456 as number}` : `${number}`
 >123 + 456 as number : number
 >123 + 456 : number
 >123 : 123
@@ -13,7 +13,7 @@ var a = `${123 + 456 as number}`;
 
 var b = `leading ${123 + 456 as number}`;
 >b : string
->`leading ${123 + 456 as number}` : string
+>`leading ${123 + 456 as number}` : `leading ${number}`
 >123 + 456 as number : number
 >123 + 456 : number
 >123 : 123
@@ -21,7 +21,7 @@ var b = `leading ${123 + 456 as number}`;
 
 var c = `${123 + 456 as number} trailing`;
 >c : string
->`${123 + 456 as number} trailing` : string
+>`${123 + 456 as number} trailing` : `${number} trailing`
 >123 + 456 as number : number
 >123 + 456 : number
 >123 : 123
@@ -30,7 +30,7 @@ var c = `${123 + 456 as number} trailing`;
 var d = `Hello ${123} World` as string;
 >d : string
 >`Hello ${123} World` as string : string
->`Hello ${123} World` : string
+>`Hello ${123} World` : "Hello 123 World"
 >123 : 123
 
 var e = `Hello` as string;
@@ -43,7 +43,7 @@ var f = 1 + `${1} end of string` as string;
 >1 + `${1} end of string` as string : string
 >1 + `${1} end of string` : string
 >1 : 1
->`${1} end of string` : string
+>`${1} end of string` : "1 end of string"
 >1 : 1
 
 var g = tag `Hello ${123} World` as string;
@@ -51,7 +51,7 @@ var g = tag `Hello ${123} World` as string;
 >tag `Hello ${123} World` as string : string
 >tag `Hello ${123} World` : any
 >tag : (...x: any[]) => any
->`Hello ${123} World` : string
+>`Hello ${123} World` : "Hello 123 World"
 >123 : 123
 
 var h = tag `Hello` as string;
diff --git a/tests/baselines/reference/checkJsObjectLiteralIndexSignatures.types b/tests/baselines/reference/checkJsObjectLiteralIndexSignatures.types
index 21653432b5acb..465cbf72e815f 100644
--- a/tests/baselines/reference/checkJsObjectLiteralIndexSignatures.types
+++ b/tests/baselines/reference/checkJsObjectLiteralIndexSignatures.types
@@ -10,7 +10,7 @@ let n = Math.random();
 
 let s = `${n}`;
 >s : string
->`${n}` : string
+>`${n}` : `${number}`
 >n : number
 
 const numericIndex = { [n]: 1 };
diff --git a/tests/baselines/reference/computedPropertyNames10_ES5.types b/tests/baselines/reference/computedPropertyNames10_ES5.types
index 82d82bcc638fd..7c89309b32e02 100644
--- a/tests/baselines/reference/computedPropertyNames10_ES5.types
+++ b/tests/baselines/reference/computedPropertyNames10_ES5.types
@@ -60,6 +60,6 @@ var v = {
 
     [`hello ${a} bye`]() { }
 >[`hello ${a} bye`] : () => void
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 }
diff --git a/tests/baselines/reference/computedPropertyNames10_ES6.types b/tests/baselines/reference/computedPropertyNames10_ES6.types
index c9ad6eeebb6c4..355fc7c58208d 100644
--- a/tests/baselines/reference/computedPropertyNames10_ES6.types
+++ b/tests/baselines/reference/computedPropertyNames10_ES6.types
@@ -60,6 +60,6 @@ var v = {
 
     [`hello ${a} bye`]() { }
 >[`hello ${a} bye`] : () => void
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 }
diff --git a/tests/baselines/reference/computedPropertyNames11_ES5.types b/tests/baselines/reference/computedPropertyNames11_ES5.types
index 944f4a4cfcc3b..b66b419310d83 100644
--- a/tests/baselines/reference/computedPropertyNames11_ES5.types
+++ b/tests/baselines/reference/computedPropertyNames11_ES5.types
@@ -70,7 +70,7 @@ var v = {
 
     get [`hello ${a} bye`]() { return 0; }
 >[`hello ${a} bye`] : number
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 >0 : 0
 }
diff --git a/tests/baselines/reference/computedPropertyNames11_ES6.types b/tests/baselines/reference/computedPropertyNames11_ES6.types
index 1d9551ea082be..40e0c98488eb1 100644
--- a/tests/baselines/reference/computedPropertyNames11_ES6.types
+++ b/tests/baselines/reference/computedPropertyNames11_ES6.types
@@ -70,7 +70,7 @@ var v = {
 
     get [`hello ${a} bye`]() { return 0; }
 >[`hello ${a} bye`] : number
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 >0 : 0
 }
diff --git a/tests/baselines/reference/computedPropertyNames12_ES5.types b/tests/baselines/reference/computedPropertyNames12_ES5.types
index 63afc3bd4da0b..cc7d1a29755dd 100644
--- a/tests/baselines/reference/computedPropertyNames12_ES5.types
+++ b/tests/baselines/reference/computedPropertyNames12_ES5.types
@@ -63,7 +63,7 @@ class C {
 
     static [`hello ${a} bye`] = 0
 >[`hello ${a} bye`] : number
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 >0 : 0
 }
diff --git a/tests/baselines/reference/computedPropertyNames12_ES6.types b/tests/baselines/reference/computedPropertyNames12_ES6.types
index f846d159eec08..d1da7d7aab9dd 100644
--- a/tests/baselines/reference/computedPropertyNames12_ES6.types
+++ b/tests/baselines/reference/computedPropertyNames12_ES6.types
@@ -63,7 +63,7 @@ class C {
 
     static [`hello ${a} bye`] = 0
 >[`hello ${a} bye`] : number
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 >0 : 0
 }
diff --git a/tests/baselines/reference/computedPropertyNames13_ES5.types b/tests/baselines/reference/computedPropertyNames13_ES5.types
index 07c5cee22cd0e..33c89a82c94c6 100644
--- a/tests/baselines/reference/computedPropertyNames13_ES5.types
+++ b/tests/baselines/reference/computedPropertyNames13_ES5.types
@@ -59,6 +59,6 @@ class C {
 
     static [`hello ${a} bye`]() { }
 >[`hello ${a} bye`] : () => void
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 }
diff --git a/tests/baselines/reference/computedPropertyNames13_ES6.types b/tests/baselines/reference/computedPropertyNames13_ES6.types
index 8e0111d760022..57a4bb9b46548 100644
--- a/tests/baselines/reference/computedPropertyNames13_ES6.types
+++ b/tests/baselines/reference/computedPropertyNames13_ES6.types
@@ -59,6 +59,6 @@ class C {
 
     static [`hello ${a} bye`]() { }
 >[`hello ${a} bye`] : () => void
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 }
diff --git a/tests/baselines/reference/computedPropertyNames16_ES5.types b/tests/baselines/reference/computedPropertyNames16_ES5.types
index 7e6d5054098ec..468f77b322975 100644
--- a/tests/baselines/reference/computedPropertyNames16_ES5.types
+++ b/tests/baselines/reference/computedPropertyNames16_ES5.types
@@ -69,7 +69,7 @@ class C {
 
     get [`hello ${a} bye`]() { return 0; }
 >[`hello ${a} bye`] : number
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 >0 : 0
 }
diff --git a/tests/baselines/reference/computedPropertyNames16_ES6.types b/tests/baselines/reference/computedPropertyNames16_ES6.types
index 9898cbc00d4dc..558af27cea7bd 100644
--- a/tests/baselines/reference/computedPropertyNames16_ES6.types
+++ b/tests/baselines/reference/computedPropertyNames16_ES6.types
@@ -69,7 +69,7 @@ class C {
 
     get [`hello ${a} bye`]() { return 0; }
 >[`hello ${a} bye`] : number
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 >0 : 0
 }
diff --git a/tests/baselines/reference/computedPropertyNames4_ES5.types b/tests/baselines/reference/computedPropertyNames4_ES5.types
index b9181140ed56c..ba6d3c6d9e828 100644
--- a/tests/baselines/reference/computedPropertyNames4_ES5.types
+++ b/tests/baselines/reference/computedPropertyNames4_ES5.types
@@ -70,7 +70,7 @@ var v = {
 
     [`hello ${a} bye`]: 0
 >[`hello ${a} bye`] : number
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 >0 : 0
 }
diff --git a/tests/baselines/reference/computedPropertyNames4_ES6.types b/tests/baselines/reference/computedPropertyNames4_ES6.types
index 669af26ebdf12..a25ca0f7bc153 100644
--- a/tests/baselines/reference/computedPropertyNames4_ES6.types
+++ b/tests/baselines/reference/computedPropertyNames4_ES6.types
@@ -70,7 +70,7 @@ var v = {
 
     [`hello ${a} bye`]: 0
 >[`hello ${a} bye`] : number
->`hello ${a} bye` : string
+>`hello ${a} bye` : `hello ${any} bye`
 >a : any
 >0 : 0
 }
diff --git a/tests/baselines/reference/declFileEmitDeclarationOnly.types b/tests/baselines/reference/declFileEmitDeclarationOnly.types
index 9a3cf8cfc70b0..f508a00cc71fa 100644
--- a/tests/baselines/reference/declFileEmitDeclarationOnly.types
+++ b/tests/baselines/reference/declFileEmitDeclarationOnly.types
@@ -23,7 +23,7 @@ class HelloWorld {
 >Log.info : (msg: string) => void
 >Log : { info(msg: string): void; }
 >info : (msg: string) => void
->`Hello ${this.name}` : string
+>`Hello ${this.name}` : `Hello ${string}`
 >this.name : string
 >this : this
 >name : string
diff --git a/tests/baselines/reference/declarationNoDanglingGenerics.types b/tests/baselines/reference/declarationNoDanglingGenerics.types
index 9fd057e32f3d9..65c381a2e4673 100644
--- a/tests/baselines/reference/declarationNoDanglingGenerics.types
+++ b/tests/baselines/reference/declarationNoDanglingGenerics.types
@@ -16,7 +16,7 @@ function register(kind: string): void | never {
     throw new Error(`Class with kind "${kind}" is already registered.`);
 >new Error(`Class with kind "${kind}" is already registered.`) : Error
 >Error : ErrorConstructor
->`Class with kind "${kind}" is already registered.` : string
+>`Class with kind "${kind}" is already registered.` : `Class with kind "${string}" is already registered.`
 >kind : string
   }
   kindCache[kind] = true;
diff --git a/tests/baselines/reference/destructuringInitializerContextualTypeFromContext.types b/tests/baselines/reference/destructuringInitializerContextualTypeFromContext.types
index d0ddb4918a034..551e2e99339a7 100644
--- a/tests/baselines/reference/destructuringInitializerContextualTypeFromContext.types
+++ b/tests/baselines/reference/destructuringInitializerContextualTypeFromContext.types
@@ -34,7 +34,7 @@ const Parent: SFC<Props> = ({
 
 const Child: SFC<Props> = ({
 >Child : SFC<Props>
->({    children,    name = "Artemis",    ...props}) => `name: ${name} props: ${JSON.stringify(props)}` : ({ children, name, ...props }: Props & { children?: any; }) => string
+>({    children,    name = "Artemis",    ...props}) => `name: ${name} props: ${JSON.stringify(props)}` : ({ children, name, ...props }: Props & { children?: any; }) => `name: Apollo props: ${string}` | `name: Artemis props: ${string}` | `name: Dionysus props: ${string}` | `name: Persephone props: ${string}`
 
     children,
 >children : any
@@ -47,7 +47,7 @@ const Child: SFC<Props> = ({
 >props : {}
 
 }) => `name: ${name} props: ${JSON.stringify(props)}`;
->`name: ${name} props: ${JSON.stringify(props)}` : string
+>`name: ${name} props: ${JSON.stringify(props)}` : `name: Apollo props: ${string}` | `name: Artemis props: ${string}` | `name: Dionysus props: ${string}` | `name: Persephone props: ${string}`
 >name : "Apollo" | "Artemis" | "Dionysus" | "Persephone"
 >JSON.stringify(props) : string
 >JSON.stringify : { (value: any, replacer?: ((this: any, key: string, value: any) => any) | undefined, space?: string | number | undefined): string; (value: any, replacer?: (string | number)[] | null | undefined, space?: string | number | undefined): string; }
diff --git a/tests/baselines/reference/destructuringParameterProperties4.types b/tests/baselines/reference/destructuringParameterProperties4.types
index 8f49dc9ba9110..0f6e7d88ad59e 100644
--- a/tests/baselines/reference/destructuringParameterProperties4.types
+++ b/tests/baselines/reference/destructuringParameterProperties4.types
@@ -75,10 +75,10 @@ class C2 extends C1<number, string, boolean> {
 >C1 : C1<number, string, boolean>
 
     public doSomethingWithSuperProperties() {
->doSomethingWithSuperProperties : () => string
+>doSomethingWithSuperProperties : () => `${any} ${any} ${any}`
 
         return `${this.a} ${this.b} ${this.c}`;
->`${this.a} ${this.b} ${this.c}` : string
+>`${this.a} ${this.b} ${this.c}` : `${any} ${any} ${any}`
 >this.a : any
 >this : this
 >a : any
diff --git a/tests/baselines/reference/emitExponentiationOperatorInTempalteString4.types b/tests/baselines/reference/emitExponentiationOperatorInTempalteString4.types
index 912a26f746ff7..0ed777f4e3c00 100644
--- a/tests/baselines/reference/emitExponentiationOperatorInTempalteString4.types
+++ b/tests/baselines/reference/emitExponentiationOperatorInTempalteString4.types
@@ -12,14 +12,14 @@ var s;
 
 // With TemplateTail
 `${t1 ** -t2} world`;
->`${t1 ** -t2} world` : string
+>`${t1 ** -t2} world` : `${number} world`
 >t1 ** -t2 : number
 >t1 : number
 >-t2 : number
 >t2 : number
 
 `${(-t1) ** t2 - t1} world`;
->`${(-t1) ** t2 - t1} world` : string
+>`${(-t1) ** t2 - t1} world` : `${number} world`
 >(-t1) ** t2 - t1 : number
 >(-t1) ** t2 : number
 >(-t1) : number
@@ -29,7 +29,7 @@ var s;
 >t1 : number
 
 `${(-++t1) ** t2 - t1} world`;
->`${(-++t1) ** t2 - t1} world` : string
+>`${(-++t1) ** t2 - t1} world` : `${number} world`
 >(-++t1) ** t2 - t1 : number
 >(-++t1) ** t2 : number
 >(-++t1) : number
@@ -40,7 +40,7 @@ var s;
 >t1 : number
 
 `${(-t1++) ** t2 - t1} world`;
->`${(-t1++) ** t2 - t1} world` : string
+>`${(-t1++) ** t2 - t1} world` : `${number} world`
 >(-t1++) ** t2 - t1 : number
 >(-t1++) ** t2 : number
 >(-t1++) : number
@@ -51,7 +51,7 @@ var s;
 >t1 : number
 
 `${(~t1) ** t2 ** --t1 } world`;
->`${(~t1) ** t2 ** --t1 } world` : string
+>`${(~t1) ** t2 ** --t1 } world` : `${number} world`
 >(~t1) ** t2 ** --t1 : number
 >(~t1) : number
 >~t1 : number
@@ -62,7 +62,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) } world`;
->`${typeof (t1 ** t2 ** t1) } world` : string
+>`${typeof (t1 ** t2 ** t1) } world` : "string world" | "number world" | "bigint world" | "boolean world" | "symbol world" | "undefined world" | "object world" | "function world"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -73,7 +73,7 @@ var s;
 
 // TempateHead & TemplateTail are empt
 `${t1 ** -t2} hello world ${t1 ** -t2}`;
->`${t1 ** -t2} hello world ${t1 ** -t2}` : string
+>`${t1 ** -t2} hello world ${t1 ** -t2}` : `${number} hello world ${number}`
 >t1 ** -t2 : number
 >t1 : number
 >-t2 : number
@@ -84,7 +84,7 @@ var s;
 >t2 : number
 
 `${(-t1) ** t2 - t1} hello world ${(-t1) ** t2 - t1}`;
->`${(-t1) ** t2 - t1} hello world ${(-t1) ** t2 - t1}` : string
+>`${(-t1) ** t2 - t1} hello world ${(-t1) ** t2 - t1}` : `${number} hello world ${number}`
 >(-t1) ** t2 - t1 : number
 >(-t1) ** t2 : number
 >(-t1) : number
@@ -101,7 +101,7 @@ var s;
 >t1 : number
 
 `${(-++t1) ** t2 - t1} hello world ${t1 ** (-++t1) **- t1}`;
->`${(-++t1) ** t2 - t1} hello world ${t1 ** (-++t1) **- t1}` : string
+>`${(-++t1) ** t2 - t1} hello world ${t1 ** (-++t1) **- t1}` : `${number} hello world ${number}`
 >(-++t1) ** t2 - t1 : number
 >(-++t1) ** t2 : number
 >(-++t1) : number
@@ -121,7 +121,7 @@ var s;
 >t1 : number
 
 `${(-t1++) ** t2 - t1} hello world ${t2 ** (-t1++) **  - t1}`;
->`${(-t1++) ** t2 - t1} hello world ${t2 ** (-t1++) **  - t1}` : string
+>`${(-t1++) ** t2 - t1} hello world ${t2 ** (-t1++) **  - t1}` : `${number} hello world ${number}`
 >(-t1++) ** t2 - t1 : number
 >(-t1++) ** t2 : number
 >(-t1++) : number
@@ -141,7 +141,7 @@ var s;
 >t1 : number
 
 `${(~t1) ** t2 ** --t1 } hello world ${(~t1) ** t2 ** --t1 }`;
->`${(~t1) ** t2 ** --t1 } hello world ${(~t1) ** t2 ** --t1 }` : string
+>`${(~t1) ** t2 ** --t1 } hello world ${(~t1) ** t2 ** --t1 }` : `${number} hello world ${number}`
 >(~t1) ** t2 ** --t1 : number
 >(~t1) : number
 >~t1 : number
@@ -160,7 +160,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1)} hello world ${typeof (t1 ** t2 ** t1)}`;
->`${typeof (t1 ** t2 ** t1)} hello world ${typeof (t1 ** t2 ** t1)}` : string
+>`${typeof (t1 ** t2 ** t1)} hello world ${typeof (t1 ** t2 ** t1)}` : "string hello world string" | "string hello world number" | "string hello world bigint" | "string hello world boolean" | "string hello world symbol" | "string hello world undefined" | "string hello world object" | "string hello world function" | "number hello world string" | "number hello world number" | "number hello world bigint" | "number hello world boolean" | "number hello world symbol" | "number hello world undefined" | "number hello world object" | "number hello world function" | "bigint hello world string" | "bigint hello world number" | "bigint hello world bigint" | "bigint hello world boolean" | "bigint hello world symbol" | "bigint hello world undefined" | "bigint hello world object" | "bigint hello world function" | "boolean hello world string" | "boolean hello world number" | "boolean hello world bigint" | "boolean hello world boolean" | "boolean hello world symbol" | "boolean hello world undefined" | "boolean hello world object" | "boolean hello world function" | "symbol hello world string" | "symbol hello world number" | "symbol hello world bigint" | "symbol hello world boolean" | "symbol hello world symbol" | "symbol hello world undefined" | "symbol hello world object" | "symbol hello world function" | "undefined hello world string" | "undefined hello world number" | "undefined hello world bigint" | "undefined hello world boolean" | "undefined hello world symbol" | "undefined hello world undefined" | "undefined hello world object" | "undefined hello world function" | "object hello world string" | "object hello world number" | "object hello world bigint" | "object hello world boolean" | "object hello world symbol" | "object hello world undefined" | "object hello world object" | "object hello world function" | "function hello world string" | "function hello world number" | "function hello world bigint" | "function hello world boolean" | "function hello world symbol" | "function hello world undefined" | "function hello world object" | "function hello world function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -178,7 +178,7 @@ var s;
 
 // With templateHead
 `hello ${(-t1) ** t2 - t1}`;
->`hello ${(-t1) ** t2 - t1}` : string
+>`hello ${(-t1) ** t2 - t1}` : `hello ${number}`
 >(-t1) ** t2 - t1 : number
 >(-t1) ** t2 : number
 >(-t1) : number
@@ -188,7 +188,7 @@ var s;
 >t1 : number
 
 `hello ${(-++t1) ** t2 - t1}`;
->`hello ${(-++t1) ** t2 - t1}` : string
+>`hello ${(-++t1) ** t2 - t1}` : `hello ${number}`
 >(-++t1) ** t2 - t1 : number
 >(-++t1) ** t2 : number
 >(-++t1) : number
@@ -199,7 +199,7 @@ var s;
 >t1 : number
 
 `hello ${(-t1++) ** t2 - t1}`;
->`hello ${(-t1++) ** t2 - t1}` : string
+>`hello ${(-t1++) ** t2 - t1}` : `hello ${number}`
 >(-t1++) ** t2 - t1 : number
 >(-t1++) ** t2 : number
 >(-t1++) : number
@@ -210,7 +210,7 @@ var s;
 >t1 : number
 
 `hello ${(~t1) ** t2 ** --t1 }`;
->`hello ${(~t1) ** t2 ** --t1 }` : string
+>`hello ${(~t1) ** t2 ** --t1 }` : `hello ${number}`
 >(~t1) ** t2 ** --t1 : number
 >(~t1) : number
 >~t1 : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `hello ${typeof (t1 ** t2 ** t1)}`;
->`hello ${typeof (t1 ** t2 ** t1)}` : string
+>`hello ${typeof (t1 ** t2 ** t1)}` : "hello string" | "hello number" | "hello bigint" | "hello boolean" | "hello symbol" | "hello undefined" | "hello object" | "hello function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/emitExponentiationOperatorInTempalteString4ES6.types b/tests/baselines/reference/emitExponentiationOperatorInTempalteString4ES6.types
index 08d0d591dfb1b..e984817fd5a8a 100644
--- a/tests/baselines/reference/emitExponentiationOperatorInTempalteString4ES6.types
+++ b/tests/baselines/reference/emitExponentiationOperatorInTempalteString4ES6.types
@@ -12,14 +12,14 @@ var s;
 
 // With TemplateTail
 `${t1 ** -t2} world`;
->`${t1 ** -t2} world` : string
+>`${t1 ** -t2} world` : `${number} world`
 >t1 ** -t2 : number
 >t1 : number
 >-t2 : number
 >t2 : number
 
 `${(-t1) ** t2 - t1} world`;
->`${(-t1) ** t2 - t1} world` : string
+>`${(-t1) ** t2 - t1} world` : `${number} world`
 >(-t1) ** t2 - t1 : number
 >(-t1) ** t2 : number
 >(-t1) : number
@@ -29,7 +29,7 @@ var s;
 >t1 : number
 
 `${(-++t1) ** t2 - t1} world`;
->`${(-++t1) ** t2 - t1} world` : string
+>`${(-++t1) ** t2 - t1} world` : `${number} world`
 >(-++t1) ** t2 - t1 : number
 >(-++t1) ** t2 : number
 >(-++t1) : number
@@ -40,7 +40,7 @@ var s;
 >t1 : number
 
 `${(-t1++) ** t2 - t1} world`;
->`${(-t1++) ** t2 - t1} world` : string
+>`${(-t1++) ** t2 - t1} world` : `${number} world`
 >(-t1++) ** t2 - t1 : number
 >(-t1++) ** t2 : number
 >(-t1++) : number
@@ -51,7 +51,7 @@ var s;
 >t1 : number
 
 `${(~t1) ** t2 ** --t1 } world`;
->`${(~t1) ** t2 ** --t1 } world` : string
+>`${(~t1) ** t2 ** --t1 } world` : `${number} world`
 >(~t1) ** t2 ** --t1 : number
 >(~t1) : number
 >~t1 : number
@@ -62,7 +62,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) } world`;
->`${typeof (t1 ** t2 ** t1) } world` : string
+>`${typeof (t1 ** t2 ** t1) } world` : "string world" | "number world" | "bigint world" | "boolean world" | "symbol world" | "undefined world" | "object world" | "function world"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -73,7 +73,7 @@ var s;
 
 // TempateHead & TemplateTail are empt
 `${t1 ** -t2} hello world ${t1 ** -t2}`;
->`${t1 ** -t2} hello world ${t1 ** -t2}` : string
+>`${t1 ** -t2} hello world ${t1 ** -t2}` : `${number} hello world ${number}`
 >t1 ** -t2 : number
 >t1 : number
 >-t2 : number
@@ -84,7 +84,7 @@ var s;
 >t2 : number
 
 `${(-t1) ** t2 - t1} hello world ${(-t1) ** t2 - t1}`;
->`${(-t1) ** t2 - t1} hello world ${(-t1) ** t2 - t1}` : string
+>`${(-t1) ** t2 - t1} hello world ${(-t1) ** t2 - t1}` : `${number} hello world ${number}`
 >(-t1) ** t2 - t1 : number
 >(-t1) ** t2 : number
 >(-t1) : number
@@ -101,7 +101,7 @@ var s;
 >t1 : number
 
 `${(-++t1) ** t2 - t1} hello world ${t1 ** (-++t1) **- t1}`;
->`${(-++t1) ** t2 - t1} hello world ${t1 ** (-++t1) **- t1}` : string
+>`${(-++t1) ** t2 - t1} hello world ${t1 ** (-++t1) **- t1}` : `${number} hello world ${number}`
 >(-++t1) ** t2 - t1 : number
 >(-++t1) ** t2 : number
 >(-++t1) : number
@@ -121,7 +121,7 @@ var s;
 >t1 : number
 
 `${(-t1++) ** t2 - t1} hello world ${t2 ** (-t1++) **  - t1}`;
->`${(-t1++) ** t2 - t1} hello world ${t2 ** (-t1++) **  - t1}` : string
+>`${(-t1++) ** t2 - t1} hello world ${t2 ** (-t1++) **  - t1}` : `${number} hello world ${number}`
 >(-t1++) ** t2 - t1 : number
 >(-t1++) ** t2 : number
 >(-t1++) : number
@@ -141,7 +141,7 @@ var s;
 >t1 : number
 
 `${(~t1) ** t2 ** --t1 } hello world ${(~t1) ** t2 ** --t1 }`;
->`${(~t1) ** t2 ** --t1 } hello world ${(~t1) ** t2 ** --t1 }` : string
+>`${(~t1) ** t2 ** --t1 } hello world ${(~t1) ** t2 ** --t1 }` : `${number} hello world ${number}`
 >(~t1) ** t2 ** --t1 : number
 >(~t1) : number
 >~t1 : number
@@ -160,7 +160,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1)} hello world ${typeof (t1 ** t2 ** t1)}`;
->`${typeof (t1 ** t2 ** t1)} hello world ${typeof (t1 ** t2 ** t1)}` : string
+>`${typeof (t1 ** t2 ** t1)} hello world ${typeof (t1 ** t2 ** t1)}` : "string hello world string" | "string hello world number" | "string hello world bigint" | "string hello world boolean" | "string hello world symbol" | "string hello world undefined" | "string hello world object" | "string hello world function" | "number hello world string" | "number hello world number" | "number hello world bigint" | "number hello world boolean" | "number hello world symbol" | "number hello world undefined" | "number hello world object" | "number hello world function" | "bigint hello world string" | "bigint hello world number" | "bigint hello world bigint" | "bigint hello world boolean" | "bigint hello world symbol" | "bigint hello world undefined" | "bigint hello world object" | "bigint hello world function" | "boolean hello world string" | "boolean hello world number" | "boolean hello world bigint" | "boolean hello world boolean" | "boolean hello world symbol" | "boolean hello world undefined" | "boolean hello world object" | "boolean hello world function" | "symbol hello world string" | "symbol hello world number" | "symbol hello world bigint" | "symbol hello world boolean" | "symbol hello world symbol" | "symbol hello world undefined" | "symbol hello world object" | "symbol hello world function" | "undefined hello world string" | "undefined hello world number" | "undefined hello world bigint" | "undefined hello world boolean" | "undefined hello world symbol" | "undefined hello world undefined" | "undefined hello world object" | "undefined hello world function" | "object hello world string" | "object hello world number" | "object hello world bigint" | "object hello world boolean" | "object hello world symbol" | "object hello world undefined" | "object hello world object" | "object hello world function" | "function hello world string" | "function hello world number" | "function hello world bigint" | "function hello world boolean" | "function hello world symbol" | "function hello world undefined" | "function hello world object" | "function hello world function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -178,7 +178,7 @@ var s;
 
 // With templateHead
 `hello ${(-t1) ** t2 - t1}`;
->`hello ${(-t1) ** t2 - t1}` : string
+>`hello ${(-t1) ** t2 - t1}` : `hello ${number}`
 >(-t1) ** t2 - t1 : number
 >(-t1) ** t2 : number
 >(-t1) : number
@@ -188,7 +188,7 @@ var s;
 >t1 : number
 
 `hello ${(-++t1) ** t2 - t1}`;
->`hello ${(-++t1) ** t2 - t1}` : string
+>`hello ${(-++t1) ** t2 - t1}` : `hello ${number}`
 >(-++t1) ** t2 - t1 : number
 >(-++t1) ** t2 : number
 >(-++t1) : number
@@ -199,7 +199,7 @@ var s;
 >t1 : number
 
 `hello ${(-t1++) ** t2 - t1}`;
->`hello ${(-t1++) ** t2 - t1}` : string
+>`hello ${(-t1++) ** t2 - t1}` : `hello ${number}`
 >(-t1++) ** t2 - t1 : number
 >(-t1++) ** t2 : number
 >(-t1++) : number
@@ -210,7 +210,7 @@ var s;
 >t1 : number
 
 `hello ${(~t1) ** t2 ** --t1 }`;
->`hello ${(~t1) ** t2 ** --t1 }` : string
+>`hello ${(~t1) ** t2 ** --t1 }` : `hello ${number}`
 >(~t1) ** t2 ** --t1 : number
 >(~t1) : number
 >~t1 : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `hello ${typeof (t1 ** t2 ** t1)}`;
->`hello ${typeof (t1 ** t2 ** t1)}` : string
+>`hello ${typeof (t1 ** t2 ** t1)}` : "hello string" | "hello number" | "hello bigint" | "hello boolean" | "hello symbol" | "hello undefined" | "hello object" | "hello function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/emitExponentiationOperatorInTemplateString1.types b/tests/baselines/reference/emitExponentiationOperatorInTemplateString1.types
index 0a40fc6f766e9..91e19730aff47 100644
--- a/tests/baselines/reference/emitExponentiationOperatorInTemplateString1.types
+++ b/tests/baselines/reference/emitExponentiationOperatorInTemplateString1.types
@@ -12,13 +12,13 @@ var s;
 
 // TempateHead & TemplateTail are empty
 `${t1 ** t2}`;
->`${t1 ** t2}` : string
+>`${t1 ** t2}` : `${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
 
 `${t1 ** t2 ** t1}`;
->`${t1 ** t2 ** t1}` : string
+>`${t1 ** t2 ** t1}` : `${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -26,7 +26,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1}`;
->`${t1 + t2 ** t1}` : string
+>`${t1 + t2 ** t1}` : `${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -34,7 +34,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1}`;
->`${t1 ** t2 + t1}` : string
+>`${t1 ** t2 + t1}` : `${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -42,7 +42,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1 }`;
->`${t1 + t2 ** t2 + t1 }` : string
+>`${t1 + t2 ** t2 + t1 }` : `${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -52,7 +52,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) }`;
->`${typeof (t1 ** t2 ** t1) }` : string
+>`${typeof (t1 ** t2 ** t1) }` : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -74,7 +74,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2}${t1 ** t2}`;
->`${t1 ** t2}${t1 ** t2}` : string
+>`${t1 ** t2}${t1 ** t2}` : `${number}${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -83,7 +83,7 @@ var s;
 >t2 : number
 
 `${t1 ** t2 ** t1}${t1 ** t2 ** t1}`;
->`${t1 ** t2 ** t1}${t1 ** t2 ** t1}` : string
+>`${t1 ** t2 ** t1}${t1 ** t2 ** t1}` : `${number}${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -96,7 +96,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1}${t1 + t2 ** t1}`;
->`${t1 + t2 ** t1}${t1 + t2 ** t1}` : string
+>`${t1 + t2 ** t1}${t1 + t2 ** t1}` : `${number}${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -109,7 +109,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1}${t1 ** t2 + t1}`;
->`${t1 ** t2 + t1}${t1 ** t2 + t1}` : string
+>`${t1 ** t2 + t1}${t1 ** t2 + t1}` : `${number}${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -122,7 +122,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}`;
->`${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}` : string
+>`${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}` : `${number}${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -139,7 +139,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1)}${typeof (t1 ** t2 ** t1)}`;
->`${typeof (t1 ** t2 ** t1)}${typeof (t1 ** t2 ** t1)}` : string
+>`${typeof (t1 ** t2 ** t1)}${typeof (t1 ** t2 ** t1)}` : "stringstring" | "stringnumber" | "stringbigint" | "stringboolean" | "stringsymbol" | "stringundefined" | "stringobject" | "stringfunction" | "numberstring" | "numbernumber" | "numberbigint" | "numberboolean" | "numbersymbol" | "numberundefined" | "numberobject" | "numberfunction" | "bigintstring" | "bigintnumber" | "bigintbigint" | "bigintboolean" | "bigintsymbol" | "bigintundefined" | "bigintobject" | "bigintfunction" | "booleanstring" | "booleannumber" | "booleanbigint" | "booleanboolean" | "booleansymbol" | "booleanundefined" | "booleanobject" | "booleanfunction" | "symbolstring" | "symbolnumber" | "symbolbigint" | "symbolboolean" | "symbolsymbol" | "symbolundefined" | "symbolobject" | "symbolfunction" | "undefinedstring" | "undefinednumber" | "undefinedbigint" | "undefinedboolean" | "undefinedsymbol" | "undefinedundefined" | "undefinedobject" | "undefinedfunction" | "objectstring" | "objectnumber" | "objectbigint" | "objectboolean" | "objectsymbol" | "objectundefined" | "objectobject" | "objectfunction" | "functionstring" | "functionnumber" | "functionbigint" | "functionboolean" | "functionsymbol" | "functionundefined" | "functionobject" | "functionfunction"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -156,7 +156,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2} hello world ${t1 ** t2}`;
->`${t1 ** t2} hello world ${t1 ** t2}` : string
+>`${t1 ** t2} hello world ${t1 ** t2}` : `${number} hello world ${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -165,7 +165,7 @@ var s;
 >t2 : number
 
 `${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}`;
->`${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}` : string
+>`${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}` : `${number} hello world ${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -178,7 +178,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}`;
->`${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}` : string
+>`${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}` : `${number} hello world ${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -191,7 +191,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}`;
->`${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}` : string
+>`${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}` : `${number} hello world ${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -204,7 +204,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}`;
->`${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}` : string
+>`${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}` : `${number} hello world ${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }`;
->`${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }` : string
+>`${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }` : "string hello world string" | "string hello world number" | "string hello world bigint" | "string hello world boolean" | "string hello world symbol" | "string hello world undefined" | "string hello world object" | "string hello world function" | "number hello world string" | "number hello world number" | "number hello world bigint" | "number hello world boolean" | "number hello world symbol" | "number hello world undefined" | "number hello world object" | "number hello world function" | "bigint hello world string" | "bigint hello world number" | "bigint hello world bigint" | "bigint hello world boolean" | "bigint hello world symbol" | "bigint hello world undefined" | "bigint hello world object" | "bigint hello world function" | "boolean hello world string" | "boolean hello world number" | "boolean hello world bigint" | "boolean hello world boolean" | "boolean hello world symbol" | "boolean hello world undefined" | "boolean hello world object" | "boolean hello world function" | "symbol hello world string" | "symbol hello world number" | "symbol hello world bigint" | "symbol hello world boolean" | "symbol hello world symbol" | "symbol hello world undefined" | "symbol hello world object" | "symbol hello world function" | "undefined hello world string" | "undefined hello world number" | "undefined hello world bigint" | "undefined hello world boolean" | "undefined hello world symbol" | "undefined hello world undefined" | "undefined hello world object" | "undefined hello world function" | "object hello world string" | "object hello world number" | "object hello world bigint" | "object hello world boolean" | "object hello world symbol" | "object hello world undefined" | "object hello world object" | "object hello world function" | "function hello world string" | "function hello world number" | "function hello world bigint" | "function hello world boolean" | "function hello world symbol" | "function hello world undefined" | "function hello world object" | "function hello world function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/emitExponentiationOperatorInTemplateString1ES6.types b/tests/baselines/reference/emitExponentiationOperatorInTemplateString1ES6.types
index 9d712e6e366c4..8f58a022c2b0a 100644
--- a/tests/baselines/reference/emitExponentiationOperatorInTemplateString1ES6.types
+++ b/tests/baselines/reference/emitExponentiationOperatorInTemplateString1ES6.types
@@ -12,13 +12,13 @@ var s;
 
 // TempateHead & TemplateTail are empty
 `${t1 ** t2}`;
->`${t1 ** t2}` : string
+>`${t1 ** t2}` : `${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
 
 `${t1 ** t2 ** t1}`;
->`${t1 ** t2 ** t1}` : string
+>`${t1 ** t2 ** t1}` : `${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -26,7 +26,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1}`;
->`${t1 + t2 ** t1}` : string
+>`${t1 + t2 ** t1}` : `${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -34,7 +34,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1}`;
->`${t1 ** t2 + t1}` : string
+>`${t1 ** t2 + t1}` : `${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -42,7 +42,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1 }`;
->`${t1 + t2 ** t2 + t1 }` : string
+>`${t1 + t2 ** t2 + t1 }` : `${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -52,7 +52,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) }`;
->`${typeof (t1 ** t2 ** t1) }` : string
+>`${typeof (t1 ** t2 ** t1) }` : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -74,7 +74,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2}${t1 ** t2}`;
->`${t1 ** t2}${t1 ** t2}` : string
+>`${t1 ** t2}${t1 ** t2}` : `${number}${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -83,7 +83,7 @@ var s;
 >t2 : number
 
 `${t1 ** t2 ** t1}${t1 ** t2 ** t1}`;
->`${t1 ** t2 ** t1}${t1 ** t2 ** t1}` : string
+>`${t1 ** t2 ** t1}${t1 ** t2 ** t1}` : `${number}${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -96,7 +96,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1}${t1 + t2 ** t1}`;
->`${t1 + t2 ** t1}${t1 + t2 ** t1}` : string
+>`${t1 + t2 ** t1}${t1 + t2 ** t1}` : `${number}${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -109,7 +109,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1}${t1 ** t2 + t1}`;
->`${t1 ** t2 + t1}${t1 ** t2 + t1}` : string
+>`${t1 ** t2 + t1}${t1 ** t2 + t1}` : `${number}${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -122,7 +122,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}`;
->`${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}` : string
+>`${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}` : `${number}${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -139,7 +139,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1)}${typeof (t1 ** t2 ** t1)}`;
->`${typeof (t1 ** t2 ** t1)}${typeof (t1 ** t2 ** t1)}` : string
+>`${typeof (t1 ** t2 ** t1)}${typeof (t1 ** t2 ** t1)}` : "stringstring" | "stringnumber" | "stringbigint" | "stringboolean" | "stringsymbol" | "stringundefined" | "stringobject" | "stringfunction" | "numberstring" | "numbernumber" | "numberbigint" | "numberboolean" | "numbersymbol" | "numberundefined" | "numberobject" | "numberfunction" | "bigintstring" | "bigintnumber" | "bigintbigint" | "bigintboolean" | "bigintsymbol" | "bigintundefined" | "bigintobject" | "bigintfunction" | "booleanstring" | "booleannumber" | "booleanbigint" | "booleanboolean" | "booleansymbol" | "booleanundefined" | "booleanobject" | "booleanfunction" | "symbolstring" | "symbolnumber" | "symbolbigint" | "symbolboolean" | "symbolsymbol" | "symbolundefined" | "symbolobject" | "symbolfunction" | "undefinedstring" | "undefinednumber" | "undefinedbigint" | "undefinedboolean" | "undefinedsymbol" | "undefinedundefined" | "undefinedobject" | "undefinedfunction" | "objectstring" | "objectnumber" | "objectbigint" | "objectboolean" | "objectsymbol" | "objectundefined" | "objectobject" | "objectfunction" | "functionstring" | "functionnumber" | "functionbigint" | "functionboolean" | "functionsymbol" | "functionundefined" | "functionobject" | "functionfunction"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -156,7 +156,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2} hello world ${t1 ** t2}`;
->`${t1 ** t2} hello world ${t1 ** t2}` : string
+>`${t1 ** t2} hello world ${t1 ** t2}` : `${number} hello world ${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -165,7 +165,7 @@ var s;
 >t2 : number
 
 `${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}`;
->`${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}` : string
+>`${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}` : `${number} hello world ${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -178,7 +178,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}`;
->`${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}` : string
+>`${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}` : `${number} hello world ${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -191,7 +191,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}`;
->`${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}` : string
+>`${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}` : `${number} hello world ${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -204,7 +204,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}`;
->`${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}` : string
+>`${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}` : `${number} hello world ${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }`;
->`${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }` : string
+>`${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }` : "string hello world string" | "string hello world number" | "string hello world bigint" | "string hello world boolean" | "string hello world symbol" | "string hello world undefined" | "string hello world object" | "string hello world function" | "number hello world string" | "number hello world number" | "number hello world bigint" | "number hello world boolean" | "number hello world symbol" | "number hello world undefined" | "number hello world object" | "number hello world function" | "bigint hello world string" | "bigint hello world number" | "bigint hello world bigint" | "bigint hello world boolean" | "bigint hello world symbol" | "bigint hello world undefined" | "bigint hello world object" | "bigint hello world function" | "boolean hello world string" | "boolean hello world number" | "boolean hello world bigint" | "boolean hello world boolean" | "boolean hello world symbol" | "boolean hello world undefined" | "boolean hello world object" | "boolean hello world function" | "symbol hello world string" | "symbol hello world number" | "symbol hello world bigint" | "symbol hello world boolean" | "symbol hello world symbol" | "symbol hello world undefined" | "symbol hello world object" | "symbol hello world function" | "undefined hello world string" | "undefined hello world number" | "undefined hello world bigint" | "undefined hello world boolean" | "undefined hello world symbol" | "undefined hello world undefined" | "undefined hello world object" | "undefined hello world function" | "object hello world string" | "object hello world number" | "object hello world bigint" | "object hello world boolean" | "object hello world symbol" | "object hello world undefined" | "object hello world object" | "object hello world function" | "function hello world string" | "function hello world number" | "function hello world bigint" | "function hello world boolean" | "function hello world symbol" | "function hello world undefined" | "function hello world object" | "function hello world function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/emitExponentiationOperatorInTemplateString2.types b/tests/baselines/reference/emitExponentiationOperatorInTemplateString2.types
index 9b583b03d2836..b2d570b2d3650 100644
--- a/tests/baselines/reference/emitExponentiationOperatorInTemplateString2.types
+++ b/tests/baselines/reference/emitExponentiationOperatorInTemplateString2.types
@@ -12,13 +12,13 @@ var s;
 
 // With templateHead
 `hello ${t1 ** t2}`;
->`hello ${t1 ** t2}` : string
+>`hello ${t1 ** t2}` : `hello ${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
 
 `hello ${t1 ** t2 ** t1}`;
->`hello ${t1 ** t2 ** t1}` : string
+>`hello ${t1 ** t2 ** t1}` : `hello ${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -26,7 +26,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t1}`;
->`hello ${t1 + t2 ** t1}` : string
+>`hello ${t1 + t2 ** t1}` : `hello ${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -34,7 +34,7 @@ var s;
 >t1 : number
 
 `hello ${t1 ** t2 + t1}`;
->`hello ${t1 ** t2 + t1}` : string
+>`hello ${t1 ** t2 + t1}` : `hello ${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -42,7 +42,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t2 + t1 }`;
->`hello ${t1 + t2 ** t2 + t1 }` : string
+>`hello ${t1 + t2 ** t2 + t1 }` : `hello ${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -52,7 +52,7 @@ var s;
 >t1 : number
 
 `hello ${typeof (t1 ** t2 ** t1) }`;
->`hello ${typeof (t1 ** t2 ** t1) }` : string
+>`hello ${typeof (t1 ** t2 ** t1) }` : "hello string" | "hello number" | "hello bigint" | "hello boolean" | "hello symbol" | "hello undefined" | "hello object" | "hello function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -62,7 +62,7 @@ var s;
 >t1 : number
 
 `hello ${1 + typeof (t1 ** t2 ** t1) }`;
->`hello ${1 + typeof (t1 ** t2 ** t1) }` : string
+>`hello ${1 + typeof (t1 ** t2 ** t1) }` : `hello ${string}`
 >1 + typeof (t1 ** t2 ** t1) : string
 >1 : 1
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
@@ -74,7 +74,7 @@ var s;
 >t1 : number
 
 `hello ${t1 ** t2}${t1 ** t2}`;
->`hello ${t1 ** t2}${t1 ** t2}` : string
+>`hello ${t1 ** t2}${t1 ** t2}` : `hello ${number}${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -83,7 +83,7 @@ var s;
 >t2 : number
 
 `hello ${t1 ** t2 ** t1}${t1 ** t2 ** t1}`;
->`hello ${t1 ** t2 ** t1}${t1 ** t2 ** t1}` : string
+>`hello ${t1 ** t2 ** t1}${t1 ** t2 ** t1}` : `hello ${number}${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -96,7 +96,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t1}${t1 + t2 ** t1}`;
->`hello ${t1 + t2 ** t1}${t1 + t2 ** t1}` : string
+>`hello ${t1 + t2 ** t1}${t1 + t2 ** t1}` : `hello ${number}${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -109,7 +109,7 @@ var s;
 >t1 : number
 
 `hello ${t1 ** t2 + t1}${t1 ** t2 + t1}`;
->`hello ${t1 ** t2 + t1}${t1 ** t2 + t1}` : string
+>`hello ${t1 ** t2 + t1}${t1 ** t2 + t1}` : `hello ${number}${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -122,7 +122,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}`;
->`hello ${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}` : string
+>`hello ${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}` : `hello ${number}${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -139,7 +139,7 @@ var s;
 >t1 : number
 
 `hello ${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) }`;
->`hello ${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) }` : string
+>`hello ${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) }` : "hello stringstring" | "hello stringnumber" | "hello stringbigint" | "hello stringboolean" | "hello stringsymbol" | "hello stringundefined" | "hello stringobject" | "hello stringfunction" | "hello numberstring" | "hello numbernumber" | "hello numberbigint" | "hello numberboolean" | "hello numbersymbol" | "hello numberundefined" | "hello numberobject" | "hello numberfunction" | "hello bigintstring" | "hello bigintnumber" | "hello bigintbigint" | "hello bigintboolean" | "hello bigintsymbol" | "hello bigintundefined" | "hello bigintobject" | "hello bigintfunction" | "hello booleanstring" | "hello booleannumber" | "hello booleanbigint" | "hello booleanboolean" | "hello booleansymbol" | "hello booleanundefined" | "hello booleanobject" | "hello booleanfunction" | "hello symbolstring" | "hello symbolnumber" | "hello symbolbigint" | "hello symbolboolean" | "hello symbolsymbol" | "hello symbolundefined" | "hello symbolobject" | "hello symbolfunction" | "hello undefinedstring" | "hello undefinednumber" | "hello undefinedbigint" | "hello undefinedboolean" | "hello undefinedsymbol" | "hello undefinedundefined" | "hello undefinedobject" | "hello undefinedfunction" | "hello objectstring" | "hello objectnumber" | "hello objectbigint" | "hello objectboolean" | "hello objectsymbol" | "hello objectundefined" | "hello objectobject" | "hello objectfunction" | "hello functionstring" | "hello functionnumber" | "hello functionbigint" | "hello functionboolean" | "hello functionsymbol" | "hello functionundefined" | "hello functionobject" | "hello functionfunction"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -156,7 +156,7 @@ var s;
 >t1 : number
 
 `hello ${t1 ** t2} hello world ${t1 ** t2}`;
->`hello ${t1 ** t2} hello world ${t1 ** t2}` : string
+>`hello ${t1 ** t2} hello world ${t1 ** t2}` : `hello ${number} hello world ${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -165,7 +165,7 @@ var s;
 >t2 : number
 
 `hello ${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}`;
->`hello ${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}` : string
+>`hello ${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}` : `hello ${number} hello world ${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -178,7 +178,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}`;
->`hello ${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}` : string
+>`hello ${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}` : `hello ${number} hello world ${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -191,7 +191,7 @@ var s;
 >t1 : number
 
 `hello ${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}`;
->`hello ${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}` : string
+>`hello ${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}` : `hello ${number} hello world ${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -204,7 +204,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}`;
->`hello ${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}` : string
+>`hello ${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}` : `hello ${number} hello world ${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `hello ${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }`;
->`hello ${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }` : string
+>`hello ${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }` : "hello string hello world string" | "hello string hello world number" | "hello string hello world bigint" | "hello string hello world boolean" | "hello string hello world symbol" | "hello string hello world undefined" | "hello string hello world object" | "hello string hello world function" | "hello number hello world string" | "hello number hello world number" | "hello number hello world bigint" | "hello number hello world boolean" | "hello number hello world symbol" | "hello number hello world undefined" | "hello number hello world object" | "hello number hello world function" | "hello bigint hello world string" | "hello bigint hello world number" | "hello bigint hello world bigint" | "hello bigint hello world boolean" | "hello bigint hello world symbol" | "hello bigint hello world undefined" | "hello bigint hello world object" | "hello bigint hello world function" | "hello boolean hello world string" | "hello boolean hello world number" | "hello boolean hello world bigint" | "hello boolean hello world boolean" | "hello boolean hello world symbol" | "hello boolean hello world undefined" | "hello boolean hello world object" | "hello boolean hello world function" | "hello symbol hello world string" | "hello symbol hello world number" | "hello symbol hello world bigint" | "hello symbol hello world boolean" | "hello symbol hello world symbol" | "hello symbol hello world undefined" | "hello symbol hello world object" | "hello symbol hello world function" | "hello undefined hello world string" | "hello undefined hello world number" | "hello undefined hello world bigint" | "hello undefined hello world boolean" | "hello undefined hello world symbol" | "hello undefined hello world undefined" | "hello undefined hello world object" | "hello undefined hello world function" | "hello object hello world string" | "hello object hello world number" | "hello object hello world bigint" | "hello object hello world boolean" | "hello object hello world symbol" | "hello object hello world undefined" | "hello object hello world object" | "hello object hello world function" | "hello function hello world string" | "hello function hello world number" | "hello function hello world bigint" | "hello function hello world boolean" | "hello function hello world symbol" | "hello function hello world undefined" | "hello function hello world object" | "hello function hello world function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/emitExponentiationOperatorInTemplateString2ES6.types b/tests/baselines/reference/emitExponentiationOperatorInTemplateString2ES6.types
index c1c6394c63e1f..66a49fb6bd097 100644
--- a/tests/baselines/reference/emitExponentiationOperatorInTemplateString2ES6.types
+++ b/tests/baselines/reference/emitExponentiationOperatorInTemplateString2ES6.types
@@ -12,13 +12,13 @@ var s;
 
 // With templateHead
 `hello ${t1 ** t2}`;
->`hello ${t1 ** t2}` : string
+>`hello ${t1 ** t2}` : `hello ${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
 
 `hello ${t1 ** t2 ** t1}`;
->`hello ${t1 ** t2 ** t1}` : string
+>`hello ${t1 ** t2 ** t1}` : `hello ${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -26,7 +26,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t1}`;
->`hello ${t1 + t2 ** t1}` : string
+>`hello ${t1 + t2 ** t1}` : `hello ${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -34,7 +34,7 @@ var s;
 >t1 : number
 
 `hello ${t1 ** t2 + t1}`;
->`hello ${t1 ** t2 + t1}` : string
+>`hello ${t1 ** t2 + t1}` : `hello ${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -42,7 +42,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t2 + t1 }`;
->`hello ${t1 + t2 ** t2 + t1 }` : string
+>`hello ${t1 + t2 ** t2 + t1 }` : `hello ${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -52,7 +52,7 @@ var s;
 >t1 : number
 
 `hello ${typeof (t1 ** t2 ** t1) }`;
->`hello ${typeof (t1 ** t2 ** t1) }` : string
+>`hello ${typeof (t1 ** t2 ** t1) }` : "hello string" | "hello number" | "hello bigint" | "hello boolean" | "hello symbol" | "hello undefined" | "hello object" | "hello function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -62,7 +62,7 @@ var s;
 >t1 : number
 
 `hello ${1 + typeof (t1 ** t2 ** t1) }`;
->`hello ${1 + typeof (t1 ** t2 ** t1) }` : string
+>`hello ${1 + typeof (t1 ** t2 ** t1) }` : `hello ${string}`
 >1 + typeof (t1 ** t2 ** t1) : string
 >1 : 1
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
@@ -74,7 +74,7 @@ var s;
 >t1 : number
 
 `hello ${t1 ** t2}${t1 ** t2}`;
->`hello ${t1 ** t2}${t1 ** t2}` : string
+>`hello ${t1 ** t2}${t1 ** t2}` : `hello ${number}${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -83,7 +83,7 @@ var s;
 >t2 : number
 
 `hello ${t1 ** t2 ** t1}${t1 ** t2 ** t1}`;
->`hello ${t1 ** t2 ** t1}${t1 ** t2 ** t1}` : string
+>`hello ${t1 ** t2 ** t1}${t1 ** t2 ** t1}` : `hello ${number}${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -96,7 +96,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t1}${t1 + t2 ** t1}`;
->`hello ${t1 + t2 ** t1}${t1 + t2 ** t1}` : string
+>`hello ${t1 + t2 ** t1}${t1 + t2 ** t1}` : `hello ${number}${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -109,7 +109,7 @@ var s;
 >t1 : number
 
 `hello ${t1 ** t2 + t1}${t1 ** t2 + t1}`;
->`hello ${t1 ** t2 + t1}${t1 ** t2 + t1}` : string
+>`hello ${t1 ** t2 + t1}${t1 ** t2 + t1}` : `hello ${number}${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -122,7 +122,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}`;
->`hello ${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}` : string
+>`hello ${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1}` : `hello ${number}${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -139,7 +139,7 @@ var s;
 >t1 : number
 
 `hello ${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) }`;
->`hello ${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) }` : string
+>`hello ${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) }` : "hello stringstring" | "hello stringnumber" | "hello stringbigint" | "hello stringboolean" | "hello stringsymbol" | "hello stringundefined" | "hello stringobject" | "hello stringfunction" | "hello numberstring" | "hello numbernumber" | "hello numberbigint" | "hello numberboolean" | "hello numbersymbol" | "hello numberundefined" | "hello numberobject" | "hello numberfunction" | "hello bigintstring" | "hello bigintnumber" | "hello bigintbigint" | "hello bigintboolean" | "hello bigintsymbol" | "hello bigintundefined" | "hello bigintobject" | "hello bigintfunction" | "hello booleanstring" | "hello booleannumber" | "hello booleanbigint" | "hello booleanboolean" | "hello booleansymbol" | "hello booleanundefined" | "hello booleanobject" | "hello booleanfunction" | "hello symbolstring" | "hello symbolnumber" | "hello symbolbigint" | "hello symbolboolean" | "hello symbolsymbol" | "hello symbolundefined" | "hello symbolobject" | "hello symbolfunction" | "hello undefinedstring" | "hello undefinednumber" | "hello undefinedbigint" | "hello undefinedboolean" | "hello undefinedsymbol" | "hello undefinedundefined" | "hello undefinedobject" | "hello undefinedfunction" | "hello objectstring" | "hello objectnumber" | "hello objectbigint" | "hello objectboolean" | "hello objectsymbol" | "hello objectundefined" | "hello objectobject" | "hello objectfunction" | "hello functionstring" | "hello functionnumber" | "hello functionbigint" | "hello functionboolean" | "hello functionsymbol" | "hello functionundefined" | "hello functionobject" | "hello functionfunction"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -156,7 +156,7 @@ var s;
 >t1 : number
 
 `hello ${t1 ** t2} hello world ${t1 ** t2}`;
->`hello ${t1 ** t2} hello world ${t1 ** t2}` : string
+>`hello ${t1 ** t2} hello world ${t1 ** t2}` : `hello ${number} hello world ${number}`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -165,7 +165,7 @@ var s;
 >t2 : number
 
 `hello ${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}`;
->`hello ${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}` : string
+>`hello ${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1}` : `hello ${number} hello world ${number}`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -178,7 +178,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}`;
->`hello ${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}` : string
+>`hello ${t1 + t2 ** t1} hello world ${t1 + t2 ** t1}` : `hello ${number} hello world ${number}`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -191,7 +191,7 @@ var s;
 >t1 : number
 
 `hello ${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}`;
->`hello ${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}` : string
+>`hello ${t1 ** t2 + t1} hello world ${t1 ** t2 + t1}` : `hello ${number} hello world ${number}`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -204,7 +204,7 @@ var s;
 >t1 : number
 
 `hello ${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}`;
->`hello ${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}` : string
+>`hello ${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1}` : `hello ${number} hello world ${number}`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `hello ${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }`;
->`hello ${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }` : string
+>`hello ${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1) }` : "hello string hello world string" | "hello string hello world number" | "hello string hello world bigint" | "hello string hello world boolean" | "hello string hello world symbol" | "hello string hello world undefined" | "hello string hello world object" | "hello string hello world function" | "hello number hello world string" | "hello number hello world number" | "hello number hello world bigint" | "hello number hello world boolean" | "hello number hello world symbol" | "hello number hello world undefined" | "hello number hello world object" | "hello number hello world function" | "hello bigint hello world string" | "hello bigint hello world number" | "hello bigint hello world bigint" | "hello bigint hello world boolean" | "hello bigint hello world symbol" | "hello bigint hello world undefined" | "hello bigint hello world object" | "hello bigint hello world function" | "hello boolean hello world string" | "hello boolean hello world number" | "hello boolean hello world bigint" | "hello boolean hello world boolean" | "hello boolean hello world symbol" | "hello boolean hello world undefined" | "hello boolean hello world object" | "hello boolean hello world function" | "hello symbol hello world string" | "hello symbol hello world number" | "hello symbol hello world bigint" | "hello symbol hello world boolean" | "hello symbol hello world symbol" | "hello symbol hello world undefined" | "hello symbol hello world object" | "hello symbol hello world function" | "hello undefined hello world string" | "hello undefined hello world number" | "hello undefined hello world bigint" | "hello undefined hello world boolean" | "hello undefined hello world symbol" | "hello undefined hello world undefined" | "hello undefined hello world object" | "hello undefined hello world function" | "hello object hello world string" | "hello object hello world number" | "hello object hello world bigint" | "hello object hello world boolean" | "hello object hello world symbol" | "hello object hello world undefined" | "hello object hello world object" | "hello object hello world function" | "hello function hello world string" | "hello function hello world number" | "hello function hello world bigint" | "hello function hello world boolean" | "hello function hello world symbol" | "hello function hello world undefined" | "hello function hello world object" | "hello function hello world function"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/emitExponentiationOperatorInTemplateString3.types b/tests/baselines/reference/emitExponentiationOperatorInTemplateString3.types
index 431d688f3b478..f49a0220b7495 100644
--- a/tests/baselines/reference/emitExponentiationOperatorInTemplateString3.types
+++ b/tests/baselines/reference/emitExponentiationOperatorInTemplateString3.types
@@ -12,13 +12,13 @@ var s;
 
 // With TemplateTail
 `${t1 ** t2} world`;
->`${t1 ** t2} world` : string
+>`${t1 ** t2} world` : `${number} world`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
 
 `${t1 ** t2 ** t1} world`;
->`${t1 ** t2 ** t1} world` : string
+>`${t1 ** t2 ** t1} world` : `${number} world`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -26,7 +26,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1} world`;
->`${t1 + t2 ** t1} world` : string
+>`${t1 + t2 ** t1} world` : `${number} world`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -34,7 +34,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1} world`;
->`${t1 ** t2 + t1} world` : string
+>`${t1 ** t2 + t1} world` : `${number} world`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -42,7 +42,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1 } world`;
->`${t1 + t2 ** t2 + t1 } world` : string
+>`${t1 + t2 ** t2 + t1 } world` : `${number} world`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -52,7 +52,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) } world`;
->`${typeof (t1 ** t2 ** t1) } world` : string
+>`${typeof (t1 ** t2 ** t1) } world` : "string world" | "number world" | "bigint world" | "boolean world" | "symbol world" | "undefined world" | "object world" | "function world"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -62,7 +62,7 @@ var s;
 >t1 : number
 
 `${1 + typeof (t1 ** t2 ** t1) } world`;
->`${1 + typeof (t1 ** t2 ** t1) } world` : string
+>`${1 + typeof (t1 ** t2 ** t1) } world` : `${string} world`
 >1 + typeof (t1 ** t2 ** t1) : string
 >1 : 1
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
@@ -74,7 +74,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2}${t1 ** t2} world`;
->`${t1 ** t2}${t1 ** t2} world` : string
+>`${t1 ** t2}${t1 ** t2} world` : `${number}${number} world`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -83,7 +83,7 @@ var s;
 >t2 : number
 
 `${t1 ** t2 ** t1}${t1 ** t2 ** t1} world`;
->`${t1 ** t2 ** t1}${t1 ** t2 ** t1} world` : string
+>`${t1 ** t2 ** t1}${t1 ** t2 ** t1} world` : `${number}${number} world`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -96,7 +96,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1}${t1 + t2 ** t1} world`;
->`${t1 + t2 ** t1}${t1 + t2 ** t1} world` : string
+>`${t1 + t2 ** t1}${t1 + t2 ** t1} world` : `${number}${number} world`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -109,7 +109,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1}${t1 ** t2 + t1} world`;
->`${t1 ** t2 + t1}${t1 ** t2 + t1} world` : string
+>`${t1 ** t2 + t1}${t1 ** t2 + t1} world` : `${number}${number} world`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -122,7 +122,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1} world`;
->`${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1} world` : string
+>`${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1} world` : `${number}${number} world`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -139,7 +139,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) } world`;
->`${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) } world` : string
+>`${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) } world` : "stringstring world" | "stringnumber world" | "stringbigint world" | "stringboolean world" | "stringsymbol world" | "stringundefined world" | "stringobject world" | "stringfunction world" | "numberstring world" | "numbernumber world" | "numberbigint world" | "numberboolean world" | "numbersymbol world" | "numberundefined world" | "numberobject world" | "numberfunction world" | "bigintstring world" | "bigintnumber world" | "bigintbigint world" | "bigintboolean world" | "bigintsymbol world" | "bigintundefined world" | "bigintobject world" | "bigintfunction world" | "booleanstring world" | "booleannumber world" | "booleanbigint world" | "booleanboolean world" | "booleansymbol world" | "booleanundefined world" | "booleanobject world" | "booleanfunction world" | "symbolstring world" | "symbolnumber world" | "symbolbigint world" | "symbolboolean world" | "symbolsymbol world" | "symbolundefined world" | "symbolobject world" | "symbolfunction world" | "undefinedstring world" | "undefinednumber world" | "undefinedbigint world" | "undefinedboolean world" | "undefinedsymbol world" | "undefinedundefined world" | "undefinedobject world" | "undefinedfunction world" | "objectstring world" | "objectnumber world" | "objectbigint world" | "objectboolean world" | "objectsymbol world" | "objectundefined world" | "objectobject world" | "objectfunction world" | "functionstring world" | "functionnumber world" | "functionbigint world" | "functionboolean world" | "functionsymbol world" | "functionundefined world" | "functionobject world" | "functionfunction world"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -156,7 +156,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2} hello world ${t1 ** t2} !!`;
->`${t1 ** t2} hello world ${t1 ** t2} !!` : string
+>`${t1 ** t2} hello world ${t1 ** t2} !!` : `${number} hello world ${number} !!`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -165,7 +165,7 @@ var s;
 >t2 : number
 
 `${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1} !!`;
->`${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1} !!` : string
+>`${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1} !!` : `${number} hello world ${number} !!`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -178,7 +178,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1} hello world ${t1 + t2 ** t1} !!`;
->`${t1 + t2 ** t1} hello world ${t1 + t2 ** t1} !!` : string
+>`${t1 + t2 ** t1} hello world ${t1 + t2 ** t1} !!` : `${number} hello world ${number} !!`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -191,7 +191,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1} hello world ${t1 ** t2 + t1} !!`;
->`${t1 ** t2 + t1} hello world ${t1 ** t2 + t1} !!` : string
+>`${t1 ** t2 + t1} hello world ${t1 ** t2 + t1} !!` : `${number} hello world ${number} !!`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -204,7 +204,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1} !!`;
->`${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1} !!` : string
+>`${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1} !!` : `${number} hello world ${number} !!`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1)} !!`;
->`${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1)} !!` : string
+>`${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1)} !!` : "string hello world string !!" | "string hello world number !!" | "string hello world bigint !!" | "string hello world boolean !!" | "string hello world symbol !!" | "string hello world undefined !!" | "string hello world object !!" | "string hello world function !!" | "number hello world string !!" | "number hello world number !!" | "number hello world bigint !!" | "number hello world boolean !!" | "number hello world symbol !!" | "number hello world undefined !!" | "number hello world object !!" | "number hello world function !!" | "bigint hello world string !!" | "bigint hello world number !!" | "bigint hello world bigint !!" | "bigint hello world boolean !!" | "bigint hello world symbol !!" | "bigint hello world undefined !!" | "bigint hello world object !!" | "bigint hello world function !!" | "boolean hello world string !!" | "boolean hello world number !!" | "boolean hello world bigint !!" | "boolean hello world boolean !!" | "boolean hello world symbol !!" | "boolean hello world undefined !!" | "boolean hello world object !!" | "boolean hello world function !!" | "symbol hello world string !!" | "symbol hello world number !!" | "symbol hello world bigint !!" | "symbol hello world boolean !!" | "symbol hello world symbol !!" | "symbol hello world undefined !!" | "symbol hello world object !!" | "symbol hello world function !!" | "undefined hello world string !!" | "undefined hello world number !!" | "undefined hello world bigint !!" | "undefined hello world boolean !!" | "undefined hello world symbol !!" | "undefined hello world undefined !!" | "undefined hello world object !!" | "undefined hello world function !!" | "object hello world string !!" | "object hello world number !!" | "object hello world bigint !!" | "object hello world boolean !!" | "object hello world symbol !!" | "object hello world undefined !!" | "object hello world object !!" | "object hello world function !!" | "function hello world string !!" | "function hello world number !!" | "function hello world bigint !!" | "function hello world boolean !!" | "function hello world symbol !!" | "function hello world undefined !!" | "function hello world object !!" | "function hello world function !!"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/emitExponentiationOperatorInTemplateString3ES6.types b/tests/baselines/reference/emitExponentiationOperatorInTemplateString3ES6.types
index ccbacd4c7196c..583c51c3804df 100644
--- a/tests/baselines/reference/emitExponentiationOperatorInTemplateString3ES6.types
+++ b/tests/baselines/reference/emitExponentiationOperatorInTemplateString3ES6.types
@@ -12,13 +12,13 @@ var s;
 
 // With TemplateTail
 `${t1 ** t2} world`;
->`${t1 ** t2} world` : string
+>`${t1 ** t2} world` : `${number} world`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
 
 `${t1 ** t2 ** t1} world`;
->`${t1 ** t2 ** t1} world` : string
+>`${t1 ** t2 ** t1} world` : `${number} world`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -26,7 +26,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1} world`;
->`${t1 + t2 ** t1} world` : string
+>`${t1 + t2 ** t1} world` : `${number} world`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -34,7 +34,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1} world`;
->`${t1 ** t2 + t1} world` : string
+>`${t1 ** t2 + t1} world` : `${number} world`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -42,7 +42,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1 } world`;
->`${t1 + t2 ** t2 + t1 } world` : string
+>`${t1 + t2 ** t2 + t1 } world` : `${number} world`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -52,7 +52,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) } world`;
->`${typeof (t1 ** t2 ** t1) } world` : string
+>`${typeof (t1 ** t2 ** t1) } world` : "string world" | "number world" | "bigint world" | "boolean world" | "symbol world" | "undefined world" | "object world" | "function world"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -62,7 +62,7 @@ var s;
 >t1 : number
 
 `${1 + typeof (t1 ** t2 ** t1) } world`;
->`${1 + typeof (t1 ** t2 ** t1) } world` : string
+>`${1 + typeof (t1 ** t2 ** t1) } world` : `${string} world`
 >1 + typeof (t1 ** t2 ** t1) : string
 >1 : 1
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
@@ -74,7 +74,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2}${t1 ** t2} world`;
->`${t1 ** t2}${t1 ** t2} world` : string
+>`${t1 ** t2}${t1 ** t2} world` : `${number}${number} world`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -83,7 +83,7 @@ var s;
 >t2 : number
 
 `${t1 ** t2 ** t1}${t1 ** t2 ** t1} world`;
->`${t1 ** t2 ** t1}${t1 ** t2 ** t1} world` : string
+>`${t1 ** t2 ** t1}${t1 ** t2 ** t1} world` : `${number}${number} world`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -96,7 +96,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1}${t1 + t2 ** t1} world`;
->`${t1 + t2 ** t1}${t1 + t2 ** t1} world` : string
+>`${t1 + t2 ** t1}${t1 + t2 ** t1} world` : `${number}${number} world`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -109,7 +109,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1}${t1 ** t2 + t1} world`;
->`${t1 ** t2 + t1}${t1 ** t2 + t1} world` : string
+>`${t1 ** t2 + t1}${t1 ** t2 + t1} world` : `${number}${number} world`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -122,7 +122,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1} world`;
->`${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1} world` : string
+>`${t1 + t2 ** t2 + t1}${t1 + t2 ** t2 + t1} world` : `${number}${number} world`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -139,7 +139,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) } world`;
->`${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) } world` : string
+>`${typeof (t1 ** t2 ** t1) }${typeof (t1 ** t2 ** t1) } world` : "stringstring world" | "stringnumber world" | "stringbigint world" | "stringboolean world" | "stringsymbol world" | "stringundefined world" | "stringobject world" | "stringfunction world" | "numberstring world" | "numbernumber world" | "numberbigint world" | "numberboolean world" | "numbersymbol world" | "numberundefined world" | "numberobject world" | "numberfunction world" | "bigintstring world" | "bigintnumber world" | "bigintbigint world" | "bigintboolean world" | "bigintsymbol world" | "bigintundefined world" | "bigintobject world" | "bigintfunction world" | "booleanstring world" | "booleannumber world" | "booleanbigint world" | "booleanboolean world" | "booleansymbol world" | "booleanundefined world" | "booleanobject world" | "booleanfunction world" | "symbolstring world" | "symbolnumber world" | "symbolbigint world" | "symbolboolean world" | "symbolsymbol world" | "symbolundefined world" | "symbolobject world" | "symbolfunction world" | "undefinedstring world" | "undefinednumber world" | "undefinedbigint world" | "undefinedboolean world" | "undefinedsymbol world" | "undefinedundefined world" | "undefinedobject world" | "undefinedfunction world" | "objectstring world" | "objectnumber world" | "objectbigint world" | "objectboolean world" | "objectsymbol world" | "objectundefined world" | "objectobject world" | "objectfunction world" | "functionstring world" | "functionnumber world" | "functionbigint world" | "functionboolean world" | "functionsymbol world" | "functionundefined world" | "functionobject world" | "functionfunction world"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
@@ -156,7 +156,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2} hello world ${t1 ** t2} !!`;
->`${t1 ** t2} hello world ${t1 ** t2} !!` : string
+>`${t1 ** t2} hello world ${t1 ** t2} !!` : `${number} hello world ${number} !!`
 >t1 ** t2 : number
 >t1 : number
 >t2 : number
@@ -165,7 +165,7 @@ var s;
 >t2 : number
 
 `${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1} !!`;
->`${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1} !!` : string
+>`${t1 ** t2 ** t1} hello world ${t1 ** t2 ** t1} !!` : `${number} hello world ${number} !!`
 >t1 ** t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -178,7 +178,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t1} hello world ${t1 + t2 ** t1} !!`;
->`${t1 + t2 ** t1} hello world ${t1 + t2 ** t1} !!` : string
+>`${t1 + t2 ** t1} hello world ${t1 + t2 ** t1} !!` : `${number} hello world ${number} !!`
 >t1 + t2 ** t1 : number
 >t1 : number
 >t2 ** t1 : number
@@ -191,7 +191,7 @@ var s;
 >t1 : number
 
 `${t1 ** t2 + t1} hello world ${t1 ** t2 + t1} !!`;
->`${t1 ** t2 + t1} hello world ${t1 ** t2 + t1} !!` : string
+>`${t1 ** t2 + t1} hello world ${t1 ** t2 + t1} !!` : `${number} hello world ${number} !!`
 >t1 ** t2 + t1 : number
 >t1 ** t2 : number
 >t1 : number
@@ -204,7 +204,7 @@ var s;
 >t1 : number
 
 `${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1} !!`;
->`${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1} !!` : string
+>`${t1 + t2 ** t2 + t1} hello world ${t1 + t2 ** t2 + t1} !!` : `${number} hello world ${number} !!`
 >t1 + t2 ** t2 + t1 : number
 >t1 + t2 ** t2 : number
 >t1 : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1)} !!`;
->`${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1)} !!` : string
+>`${typeof (t1 ** t2 ** t1) } hello world ${typeof (t1 ** t2 ** t1)} !!` : "string hello world string !!" | "string hello world number !!" | "string hello world bigint !!" | "string hello world boolean !!" | "string hello world symbol !!" | "string hello world undefined !!" | "string hello world object !!" | "string hello world function !!" | "number hello world string !!" | "number hello world number !!" | "number hello world bigint !!" | "number hello world boolean !!" | "number hello world symbol !!" | "number hello world undefined !!" | "number hello world object !!" | "number hello world function !!" | "bigint hello world string !!" | "bigint hello world number !!" | "bigint hello world bigint !!" | "bigint hello world boolean !!" | "bigint hello world symbol !!" | "bigint hello world undefined !!" | "bigint hello world object !!" | "bigint hello world function !!" | "boolean hello world string !!" | "boolean hello world number !!" | "boolean hello world bigint !!" | "boolean hello world boolean !!" | "boolean hello world symbol !!" | "boolean hello world undefined !!" | "boolean hello world object !!" | "boolean hello world function !!" | "symbol hello world string !!" | "symbol hello world number !!" | "symbol hello world bigint !!" | "symbol hello world boolean !!" | "symbol hello world symbol !!" | "symbol hello world undefined !!" | "symbol hello world object !!" | "symbol hello world function !!" | "undefined hello world string !!" | "undefined hello world number !!" | "undefined hello world bigint !!" | "undefined hello world boolean !!" | "undefined hello world symbol !!" | "undefined hello world undefined !!" | "undefined hello world object !!" | "undefined hello world function !!" | "object hello world string !!" | "object hello world number !!" | "object hello world bigint !!" | "object hello world boolean !!" | "object hello world symbol !!" | "object hello world undefined !!" | "object hello world object !!" | "object hello world function !!" | "function hello world string !!" | "function hello world number !!" | "function hello world bigint !!" | "function hello world boolean !!" | "function hello world symbol !!" | "function hello world undefined !!" | "function hello world object !!" | "function hello world function !!"
 >typeof (t1 ** t2 ** t1) : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >(t1 ** t2 ** t1) : number
 >t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/enumConstantMemberWithTemplateLiterals.types b/tests/baselines/reference/enumConstantMemberWithTemplateLiterals.types
index b750b8e8ab444..256c73fd03363 100644
--- a/tests/baselines/reference/enumConstantMemberWithTemplateLiterals.types
+++ b/tests/baselines/reference/enumConstantMemberWithTemplateLiterals.types
@@ -106,7 +106,7 @@ enum T5 {
 
     g = `1${"2"}3`,
 >g : T5.e
->`1${"2"}3` : string
+>`1${"2"}3` : "123"
 >"2" : "2"
 
     h = `1`.length
diff --git a/tests/baselines/reference/esModuleInteropImportTSLibHasImport.types b/tests/baselines/reference/esModuleInteropImportTSLibHasImport.types
index 5851ad03565bf..ed97cc86cb738 100644
--- a/tests/baselines/reference/esModuleInteropImportTSLibHasImport.types
+++ b/tests/baselines/reference/esModuleInteropImportTSLibHasImport.types
@@ -19,8 +19,8 @@ const sayHello = (name?: string) => void (`Hello, ${name}!`);
 >(name?: string) => void (`Hello, ${name}!`) : (name?: string) => any
 >name : string
 >void (`Hello, ${name}!`) : undefined
->(`Hello, ${name}!`) : string
->`Hello, ${name}!` : string
+>(`Hello, ${name}!`) : `Hello, ${string}!`
+>`Hello, ${name}!` : `Hello, ${string}!`
 >name : string
 
 export default sayHello;
diff --git a/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError1.types b/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError1.types
index 8c7e7d27aa847..9a7fc68838710 100644
--- a/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError1.types
+++ b/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError1.types
@@ -13,7 +13,7 @@ var s;
 // Error: early syntax error using ES7 SimpleUnaryExpression on left-hand side without ()
 // TempateHead & TemplateTail are empty
 `${1 + typeof t1 ** t2 ** t1}`;
->`${1 + typeof t1 ** t2 ** t1}` : string
+>`${1 + typeof t1 ** t2 ** t1}` : `${number}`
 >1 + typeof t1 ** t2 ** t1 : number
 >1 : 1
 >typeof t1 ** t2 ** t1 : number
@@ -24,7 +24,7 @@ var s;
 >t1 : number
 
 `${-t1 ** t2 - t1}`;
->`${-t1 ** t2 - t1}` : string
+>`${-t1 ** t2 - t1}` : `${number}`
 >-t1 ** t2 - t1 : number
 >-t1 ** t2 : number
 >-t1 : number
@@ -33,7 +33,7 @@ var s;
 >t1 : number
 
 `${-++t1 ** t2 - t1}`;
->`${-++t1 ** t2 - t1}` : string
+>`${-++t1 ** t2 - t1}` : `${number}`
 >-++t1 ** t2 - t1 : number
 >-++t1 ** t2 : number
 >-++t1 : number
@@ -43,7 +43,7 @@ var s;
 >t1 : number
 
 `${-t1++ ** t2 - t1}`;
->`${-t1++ ** t2 - t1}` : string
+>`${-t1++ ** t2 - t1}` : `${number}`
 >-t1++ ** t2 - t1 : number
 >-t1++ ** t2 : number
 >-t1++ : number
@@ -53,7 +53,7 @@ var s;
 >t1 : number
 
 `${!t1 ** t2 ** --t1 }`;
->`${!t1 ** t2 ** --t1 }` : string
+>`${!t1 ** t2 ** --t1 }` : `${number}`
 >!t1 ** t2 ** --t1 : number
 >!t1 : boolean
 >t1 : number
@@ -63,7 +63,7 @@ var s;
 >t1 : number
 
 `${typeof t1 ** t2 ** t1}`;
->`${typeof t1 ** t2 ** t1}` : string
+>`${typeof t1 ** t2 ** t1}` : `${number}`
 >typeof t1 ** t2 ** t1 : number
 >typeof t1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >t1 : number
@@ -72,7 +72,7 @@ var s;
 >t1 : number
 
 `${-t1 ** t2 - t1}${-t1 ** t2 - t1}`;
->`${-t1 ** t2 - t1}${-t1 ** t2 - t1}` : string
+>`${-t1 ** t2 - t1}${-t1 ** t2 - t1}` : `${number}${number}`
 >-t1 ** t2 - t1 : number
 >-t1 ** t2 : number
 >-t1 : number
@@ -87,7 +87,7 @@ var s;
 >t1 : number
 
 `${-++t1 ** t2 - t1}${-++t1 ** t2 - t1}`;
->`${-++t1 ** t2 - t1}${-++t1 ** t2 - t1}` : string
+>`${-++t1 ** t2 - t1}${-++t1 ** t2 - t1}` : `${number}${number}`
 >-++t1 ** t2 - t1 : number
 >-++t1 ** t2 : number
 >-++t1 : number
@@ -104,7 +104,7 @@ var s;
 >t1 : number
 
 `${-t1++ ** t2 - t1}${-t1++ ** t2 - t1}`;
->`${-t1++ ** t2 - t1}${-t1++ ** t2 - t1}` : string
+>`${-t1++ ** t2 - t1}${-t1++ ** t2 - t1}` : `${number}${number}`
 >-t1++ ** t2 - t1 : number
 >-t1++ ** t2 : number
 >-t1++ : number
@@ -121,7 +121,7 @@ var s;
 >t1 : number
 
 `${!t1 ** t2 ** --t1 }${!t1 ** t2 ** --t1 }`;
->`${!t1 ** t2 ** --t1 }${!t1 ** t2 ** --t1 }` : string
+>`${!t1 ** t2 ** --t1 }${!t1 ** t2 ** --t1 }` : `${number}${number}`
 >!t1 ** t2 ** --t1 : number
 >!t1 : boolean
 >t1 : number
@@ -138,7 +138,7 @@ var s;
 >t1 : number
 
 `${typeof t1 ** t2 ** t1}${typeof t1 ** t2 ** t1}`;
->`${typeof t1 ** t2 ** t1}${typeof t1 ** t2 ** t1}` : string
+>`${typeof t1 ** t2 ** t1}${typeof t1 ** t2 ** t1}` : `${number}${number}`
 >typeof t1 ** t2 ** t1 : number
 >typeof t1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >t1 : number
@@ -153,7 +153,7 @@ var s;
 >t1 : number
 
 `${1 + typeof t1 ** t2 ** t1}${1 + typeof t1 ** t2 ** t1}`;
->`${1 + typeof t1 ** t2 ** t1}${1 + typeof t1 ** t2 ** t1}` : string
+>`${1 + typeof t1 ** t2 ** t1}${1 + typeof t1 ** t2 ** t1}` : `${number}${number}`
 >1 + typeof t1 ** t2 ** t1 : number
 >1 : 1
 >typeof t1 ** t2 ** t1 : number
@@ -172,7 +172,7 @@ var s;
 >t1 : number
 
 `${-t1 ** t2 - t1} hello world ${-t1 ** t2 - t1}`;
->`${-t1 ** t2 - t1} hello world ${-t1 ** t2 - t1}` : string
+>`${-t1 ** t2 - t1} hello world ${-t1 ** t2 - t1}` : `${number} hello world ${number}`
 >-t1 ** t2 - t1 : number
 >-t1 ** t2 : number
 >-t1 : number
@@ -187,7 +187,7 @@ var s;
 >t1 : number
 
 `${-++t1 ** t2 - t1} hello world ${-++t1 ** t2 - t1}`;
->`${-++t1 ** t2 - t1} hello world ${-++t1 ** t2 - t1}` : string
+>`${-++t1 ** t2 - t1} hello world ${-++t1 ** t2 - t1}` : `${number} hello world ${number}`
 >-++t1 ** t2 - t1 : number
 >-++t1 ** t2 : number
 >-++t1 : number
@@ -204,7 +204,7 @@ var s;
 >t1 : number
 
 `${-t1++ ** t2 - t1} hello world ${-t1++ ** t2 - t1}`;
->`${-t1++ ** t2 - t1} hello world ${-t1++ ** t2 - t1}` : string
+>`${-t1++ ** t2 - t1} hello world ${-t1++ ** t2 - t1}` : `${number} hello world ${number}`
 >-t1++ ** t2 - t1 : number
 >-t1++ ** t2 : number
 >-t1++ : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `${!t1 ** t2 ** --t1 } hello world ${!t1 ** t2 ** --t1 }`;
->`${!t1 ** t2 ** --t1 } hello world ${!t1 ** t2 ** --t1 }` : string
+>`${!t1 ** t2 ** --t1 } hello world ${!t1 ** t2 ** --t1 }` : `${number} hello world ${number}`
 >!t1 ** t2 ** --t1 : number
 >!t1 : boolean
 >t1 : number
@@ -238,7 +238,7 @@ var s;
 >t1 : number
 
 `${typeof t1 ** t2 ** t1} hello world ${typeof t1 ** t2 ** t1}`;
->`${typeof t1 ** t2 ** t1} hello world ${typeof t1 ** t2 ** t1}` : string
+>`${typeof t1 ** t2 ** t1} hello world ${typeof t1 ** t2 ** t1}` : `${number} hello world ${number}`
 >typeof t1 ** t2 ** t1 : number
 >typeof t1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >t1 : number
@@ -253,7 +253,7 @@ var s;
 >t1 : number
 
 `${1 + typeof t1 ** t2 ** t1} hello world ${1 + typeof t1 ** t2 ** t1}`;
->`${1 + typeof t1 ** t2 ** t1} hello world ${1 + typeof t1 ** t2 ** t1}` : string
+>`${1 + typeof t1 ** t2 ** t1} hello world ${1 + typeof t1 ** t2 ** t1}` : `${number} hello world ${number}`
 >1 + typeof t1 ** t2 ** t1 : number
 >1 : 1
 >typeof t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError2.types b/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError2.types
index 9cacc633c6243..e1b1e9942a1c9 100644
--- a/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError2.types
+++ b/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError2.types
@@ -13,7 +13,7 @@ var s;
 // Error: early syntax error using ES7 SimpleUnaryExpression on left-hand side without ()
 // With templateHead
 `hello ${-t1 ** t2 - t1}`;
->`hello ${-t1 ** t2 - t1}` : string
+>`hello ${-t1 ** t2 - t1}` : `hello ${number}`
 >-t1 ** t2 - t1 : number
 >-t1 ** t2 : number
 >-t1 : number
@@ -22,7 +22,7 @@ var s;
 >t1 : number
 
 `hello ${-++t1 ** t2 - t1}`;
->`hello ${-++t1 ** t2 - t1}` : string
+>`hello ${-++t1 ** t2 - t1}` : `hello ${number}`
 >-++t1 ** t2 - t1 : number
 >-++t1 ** t2 : number
 >-++t1 : number
@@ -32,7 +32,7 @@ var s;
 >t1 : number
 
 `hello ${-t1++ ** t2 - t1}`;
->`hello ${-t1++ ** t2 - t1}` : string
+>`hello ${-t1++ ** t2 - t1}` : `hello ${number}`
 >-t1++ ** t2 - t1 : number
 >-t1++ ** t2 : number
 >-t1++ : number
@@ -42,7 +42,7 @@ var s;
 >t1 : number
 
 `hello ${!t1 ** t2 ** --t1 }`;
->`hello ${!t1 ** t2 ** --t1 }` : string
+>`hello ${!t1 ** t2 ** --t1 }` : `hello ${number}`
 >!t1 ** t2 ** --t1 : number
 >!t1 : boolean
 >t1 : number
@@ -52,7 +52,7 @@ var s;
 >t1 : number
 
 `hello ${typeof t1 ** t2 ** t1}`;
->`hello ${typeof t1 ** t2 ** t1}` : string
+>`hello ${typeof t1 ** t2 ** t1}` : `hello ${number}`
 >typeof t1 ** t2 ** t1 : number
 >typeof t1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >t1 : number
@@ -61,7 +61,7 @@ var s;
 >t1 : number
 
 `hello ${1 + typeof t1 ** t2 ** t1}`;
->`hello ${1 + typeof t1 ** t2 ** t1}` : string
+>`hello ${1 + typeof t1 ** t2 ** t1}` : `hello ${number}`
 >1 + typeof t1 ** t2 ** t1 : number
 >1 : 1
 >typeof t1 ** t2 ** t1 : number
@@ -72,7 +72,7 @@ var s;
 >t1 : number
 
 `hello ${-t1 ** t2 - t1}${-t1 ** t2 - t1}`;
->`hello ${-t1 ** t2 - t1}${-t1 ** t2 - t1}` : string
+>`hello ${-t1 ** t2 - t1}${-t1 ** t2 - t1}` : `hello ${number}${number}`
 >-t1 ** t2 - t1 : number
 >-t1 ** t2 : number
 >-t1 : number
@@ -87,7 +87,7 @@ var s;
 >t1 : number
 
 `hello ${-++t1 ** t2 - t1}${-++t1 ** t2 - t1}`;
->`hello ${-++t1 ** t2 - t1}${-++t1 ** t2 - t1}` : string
+>`hello ${-++t1 ** t2 - t1}${-++t1 ** t2 - t1}` : `hello ${number}${number}`
 >-++t1 ** t2 - t1 : number
 >-++t1 ** t2 : number
 >-++t1 : number
@@ -104,7 +104,7 @@ var s;
 >t1 : number
 
 `hello ${-t1++ ** t2 - t1}${-t1++ ** t2 - t1}`;
->`hello ${-t1++ ** t2 - t1}${-t1++ ** t2 - t1}` : string
+>`hello ${-t1++ ** t2 - t1}${-t1++ ** t2 - t1}` : `hello ${number}${number}`
 >-t1++ ** t2 - t1 : number
 >-t1++ ** t2 : number
 >-t1++ : number
@@ -121,7 +121,7 @@ var s;
 >t1 : number
 
 `hello ${!t1 ** t2 ** --t1 }${!t1 ** t2 ** --t1 }`;
->`hello ${!t1 ** t2 ** --t1 }${!t1 ** t2 ** --t1 }` : string
+>`hello ${!t1 ** t2 ** --t1 }${!t1 ** t2 ** --t1 }` : `hello ${number}${number}`
 >!t1 ** t2 ** --t1 : number
 >!t1 : boolean
 >t1 : number
@@ -138,7 +138,7 @@ var s;
 >t1 : number
 
 `hello ${typeof t1 ** t2 ** t1}${typeof t1 ** t2 ** t1}`;
->`hello ${typeof t1 ** t2 ** t1}${typeof t1 ** t2 ** t1}` : string
+>`hello ${typeof t1 ** t2 ** t1}${typeof t1 ** t2 ** t1}` : `hello ${number}${number}`
 >typeof t1 ** t2 ** t1 : number
 >typeof t1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >t1 : number
@@ -153,7 +153,7 @@ var s;
 >t1 : number
 
 `hello ${1 + typeof t1 ** t2 ** t1}${1 + typeof t1 ** t2 ** t1}`;
->`hello ${1 + typeof t1 ** t2 ** t1}${1 + typeof t1 ** t2 ** t1}` : string
+>`hello ${1 + typeof t1 ** t2 ** t1}${1 + typeof t1 ** t2 ** t1}` : `hello ${number}${number}`
 >1 + typeof t1 ** t2 ** t1 : number
 >1 : 1
 >typeof t1 ** t2 ** t1 : number
@@ -172,7 +172,7 @@ var s;
 >t1 : number
 
 `hello ${-t1 ** t2 - t1} hello world ${-t1 ** t2 - t1}`;
->`hello ${-t1 ** t2 - t1} hello world ${-t1 ** t2 - t1}` : string
+>`hello ${-t1 ** t2 - t1} hello world ${-t1 ** t2 - t1}` : `hello ${number} hello world ${number}`
 >-t1 ** t2 - t1 : number
 >-t1 ** t2 : number
 >-t1 : number
@@ -187,7 +187,7 @@ var s;
 >t1 : number
 
 `hello ${-++t1 ** t2 - t1} hello world ${-++t1 ** t2 - t1}`;
->`hello ${-++t1 ** t2 - t1} hello world ${-++t1 ** t2 - t1}` : string
+>`hello ${-++t1 ** t2 - t1} hello world ${-++t1 ** t2 - t1}` : `hello ${number} hello world ${number}`
 >-++t1 ** t2 - t1 : number
 >-++t1 ** t2 : number
 >-++t1 : number
@@ -204,7 +204,7 @@ var s;
 >t1 : number
 
 `hello ${-t1++ ** t2 - t1} hello world ${-t1++ ** t2 - t1}`;
->`hello ${-t1++ ** t2 - t1} hello world ${-t1++ ** t2 - t1}` : string
+>`hello ${-t1++ ** t2 - t1} hello world ${-t1++ ** t2 - t1}` : `hello ${number} hello world ${number}`
 >-t1++ ** t2 - t1 : number
 >-t1++ ** t2 : number
 >-t1++ : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `hello ${!t1 ** t2 ** --t1 } hello world ${!t1 ** t2 ** --t1 }`;
->`hello ${!t1 ** t2 ** --t1 } hello world ${!t1 ** t2 ** --t1 }` : string
+>`hello ${!t1 ** t2 ** --t1 } hello world ${!t1 ** t2 ** --t1 }` : `hello ${number} hello world ${number}`
 >!t1 ** t2 ** --t1 : number
 >!t1 : boolean
 >t1 : number
@@ -238,7 +238,7 @@ var s;
 >t1 : number
 
 `hello ${typeof t1 ** t2 ** t1} hello world ${typeof t1 ** t2 ** t1}`;
->`hello ${typeof t1 ** t2 ** t1} hello world ${typeof t1 ** t2 ** t1}` : string
+>`hello ${typeof t1 ** t2 ** t1} hello world ${typeof t1 ** t2 ** t1}` : `hello ${number} hello world ${number}`
 >typeof t1 ** t2 ** t1 : number
 >typeof t1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >t1 : number
@@ -253,7 +253,7 @@ var s;
 >t1 : number
 
 `hello ${1 + typeof t1 ** t2 ** t1} hello world ${1 + typeof t1 ** t2 ** t1}`;
->`hello ${1 + typeof t1 ** t2 ** t1} hello world ${1 + typeof t1 ** t2 ** t1}` : string
+>`hello ${1 + typeof t1 ** t2 ** t1} hello world ${1 + typeof t1 ** t2 ** t1}` : `hello ${number} hello world ${number}`
 >1 + typeof t1 ** t2 ** t1 : number
 >1 : 1
 >typeof t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError3.types b/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError3.types
index 36d594f3821d2..527eaad4eaedc 100644
--- a/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError3.types
+++ b/tests/baselines/reference/exponentiationOperatorInTemplateStringWithSyntaxError3.types
@@ -13,7 +13,7 @@ var s;
 // Error: early syntax error using ES7 SimpleUnaryExpression on left-hand side without ()
 // With TemplateTail
 `${-t1 ** t2 - t1} world`;
->`${-t1 ** t2 - t1} world` : string
+>`${-t1 ** t2 - t1} world` : `${number} world`
 >-t1 ** t2 - t1 : number
 >-t1 ** t2 : number
 >-t1 : number
@@ -22,7 +22,7 @@ var s;
 >t1 : number
 
 `${-++t1 ** t2 - t1} world`;
->`${-++t1 ** t2 - t1} world` : string
+>`${-++t1 ** t2 - t1} world` : `${number} world`
 >-++t1 ** t2 - t1 : number
 >-++t1 ** t2 : number
 >-++t1 : number
@@ -32,7 +32,7 @@ var s;
 >t1 : number
 
 `${-t1++ ** t2 - t1} world`;
->`${-t1++ ** t2 - t1} world` : string
+>`${-t1++ ** t2 - t1} world` : `${number} world`
 >-t1++ ** t2 - t1 : number
 >-t1++ ** t2 : number
 >-t1++ : number
@@ -42,7 +42,7 @@ var s;
 >t1 : number
 
 `${!t1 ** t2 ** --t1 } world`;
->`${!t1 ** t2 ** --t1 } world` : string
+>`${!t1 ** t2 ** --t1 } world` : `${number} world`
 >!t1 ** t2 ** --t1 : number
 >!t1 : boolean
 >t1 : number
@@ -52,7 +52,7 @@ var s;
 >t1 : number
 
 `${typeof t1 ** t2 ** t1} world`;
->`${typeof t1 ** t2 ** t1} world` : string
+>`${typeof t1 ** t2 ** t1} world` : `${number} world`
 >typeof t1 ** t2 ** t1 : number
 >typeof t1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >t1 : number
@@ -61,7 +61,7 @@ var s;
 >t1 : number
 
 `${1 + typeof t1 ** t2 ** t1} world`;
->`${1 + typeof t1 ** t2 ** t1} world` : string
+>`${1 + typeof t1 ** t2 ** t1} world` : `${number} world`
 >1 + typeof t1 ** t2 ** t1 : number
 >1 : 1
 >typeof t1 ** t2 ** t1 : number
@@ -72,7 +72,7 @@ var s;
 >t1 : number
 
 `${-t1 ** t2 - t1}${-t1 ** t2 - t1} world`;
->`${-t1 ** t2 - t1}${-t1 ** t2 - t1} world` : string
+>`${-t1 ** t2 - t1}${-t1 ** t2 - t1} world` : `${number}${number} world`
 >-t1 ** t2 - t1 : number
 >-t1 ** t2 : number
 >-t1 : number
@@ -87,7 +87,7 @@ var s;
 >t1 : number
 
 `${-++t1 ** t2 - t1}${-++t1 ** t2 - t1} world`;
->`${-++t1 ** t2 - t1}${-++t1 ** t2 - t1} world` : string
+>`${-++t1 ** t2 - t1}${-++t1 ** t2 - t1} world` : `${number}${number} world`
 >-++t1 ** t2 - t1 : number
 >-++t1 ** t2 : number
 >-++t1 : number
@@ -104,7 +104,7 @@ var s;
 >t1 : number
 
 `${-t1++ ** t2 - t1}${-t1++ ** t2 - t1} world`;
->`${-t1++ ** t2 - t1}${-t1++ ** t2 - t1} world` : string
+>`${-t1++ ** t2 - t1}${-t1++ ** t2 - t1} world` : `${number}${number} world`
 >-t1++ ** t2 - t1 : number
 >-t1++ ** t2 : number
 >-t1++ : number
@@ -121,7 +121,7 @@ var s;
 >t1 : number
 
 `${!t1 ** t2 ** --t1 }${!t1 ** t2 ** --t1 } world`;
->`${!t1 ** t2 ** --t1 }${!t1 ** t2 ** --t1 } world` : string
+>`${!t1 ** t2 ** --t1 }${!t1 ** t2 ** --t1 } world` : `${number}${number} world`
 >!t1 ** t2 ** --t1 : number
 >!t1 : boolean
 >t1 : number
@@ -138,7 +138,7 @@ var s;
 >t1 : number
 
 `${typeof t1 ** t2 ** t1}${typeof t1 ** t2 ** t1} world`;
->`${typeof t1 ** t2 ** t1}${typeof t1 ** t2 ** t1} world` : string
+>`${typeof t1 ** t2 ** t1}${typeof t1 ** t2 ** t1} world` : `${number}${number} world`
 >typeof t1 ** t2 ** t1 : number
 >typeof t1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >t1 : number
@@ -153,7 +153,7 @@ var s;
 >t1 : number
 
 `${1 + typeof t1 ** t2 ** t1}${1 + typeof t1 ** t2 ** t1} world`;
->`${1 + typeof t1 ** t2 ** t1}${1 + typeof t1 ** t2 ** t1} world` : string
+>`${1 + typeof t1 ** t2 ** t1}${1 + typeof t1 ** t2 ** t1} world` : `${number}${number} world`
 >1 + typeof t1 ** t2 ** t1 : number
 >1 : 1
 >typeof t1 ** t2 ** t1 : number
@@ -172,7 +172,7 @@ var s;
 >t1 : number
 
 `${-t1 ** t2 - t1} hello world ${-t1 ** t2 - t1} !!`;
->`${-t1 ** t2 - t1} hello world ${-t1 ** t2 - t1} !!` : string
+>`${-t1 ** t2 - t1} hello world ${-t1 ** t2 - t1} !!` : `${number} hello world ${number} !!`
 >-t1 ** t2 - t1 : number
 >-t1 ** t2 : number
 >-t1 : number
@@ -187,7 +187,7 @@ var s;
 >t1 : number
 
 `${-++t1 ** t2 - t1} hello world ${-++t1 ** t2 - t1} !!`;
->`${-++t1 ** t2 - t1} hello world ${-++t1 ** t2 - t1} !!` : string
+>`${-++t1 ** t2 - t1} hello world ${-++t1 ** t2 - t1} !!` : `${number} hello world ${number} !!`
 >-++t1 ** t2 - t1 : number
 >-++t1 ** t2 : number
 >-++t1 : number
@@ -204,7 +204,7 @@ var s;
 >t1 : number
 
 `${-t1++ ** t2 - t1} hello world ${-t1++ ** t2 - t1} !!`;
->`${-t1++ ** t2 - t1} hello world ${-t1++ ** t2 - t1} !!` : string
+>`${-t1++ ** t2 - t1} hello world ${-t1++ ** t2 - t1} !!` : `${number} hello world ${number} !!`
 >-t1++ ** t2 - t1 : number
 >-t1++ ** t2 : number
 >-t1++ : number
@@ -221,7 +221,7 @@ var s;
 >t1 : number
 
 `${!t1 ** t2 ** --t1 } hello world ${!t1 ** t2 ** --t1 } !!`;
->`${!t1 ** t2 ** --t1 } hello world ${!t1 ** t2 ** --t1 } !!` : string
+>`${!t1 ** t2 ** --t1 } hello world ${!t1 ** t2 ** --t1 } !!` : `${number} hello world ${number} !!`
 >!t1 ** t2 ** --t1 : number
 >!t1 : boolean
 >t1 : number
@@ -238,7 +238,7 @@ var s;
 >t1 : number
 
 `${typeof t1 ** t2 ** t1} hello world ${typeof t1 ** t2 ** t1} !!`;
->`${typeof t1 ** t2 ** t1} hello world ${typeof t1 ** t2 ** t1} !!` : string
+>`${typeof t1 ** t2 ** t1} hello world ${typeof t1 ** t2 ** t1} !!` : `${number} hello world ${number} !!`
 >typeof t1 ** t2 ** t1 : number
 >typeof t1 : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >t1 : number
@@ -253,7 +253,7 @@ var s;
 >t1 : number
 
 `${1 + typeof t1 ** t2 ** t1} hello world ${1 + typeof t1 ** t2 ** t1} !!`;
->`${1 + typeof t1 ** t2 ** t1} hello world ${1 + typeof t1 ** t2 ** t1} !!` : string
+>`${1 + typeof t1 ** t2 ** t1} hello world ${1 + typeof t1 ** t2 ** t1} !!` : `${number} hello world ${number} !!`
 >1 + typeof t1 ** t2 ** t1 : number
 >1 : 1
 >typeof t1 ** t2 ** t1 : number
diff --git a/tests/baselines/reference/exponentiationOperatorWithTemplateStringInvalid.types b/tests/baselines/reference/exponentiationOperatorWithTemplateStringInvalid.types
index 1958e478d734b..de61a9beb2bcd 100644
--- a/tests/baselines/reference/exponentiationOperatorWithTemplateStringInvalid.types
+++ b/tests/baselines/reference/exponentiationOperatorWithTemplateStringInvalid.types
@@ -3,55 +3,55 @@ var a = 1 ** `${ 3 }`;
 >a : number
 >1 ** `${ 3 }` : number
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var b = 1 ** `2${ 3 }`;
 >b : number
 >1 ** `2${ 3 }` : number
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 var c = 1 ** `${ 3 }4`;
 >c : number
 >1 ** `${ 3 }4` : number
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 
 var d = 1 ** `2${ 3 }4`;
 >d : number
 >1 ** `2${ 3 }4` : number
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 var e = `${ 3 }` ** 5;
 >e : number
 >`${ 3 }` ** 5 : number
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
 var f = `2${ 3 }` ** 5;
 >f : number
 >`2${ 3 }` ** 5 : number
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
 var g = `${ 3 }4` ** 5;
 >g : number
 >`${ 3 }4` ** 5 : number
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
 var h = `2${ 3 }4` ** 5;
 >h : number
 >`2${ 3 }4` ** 5 : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -62,25 +62,25 @@ var k = 10;
 k **= `${ 3 }`;
 >k **= `${ 3 }` : number
 >k : number
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 k **= `2${ 3 }`;
 >k **= `2${ 3 }` : number
 >k : number
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 k **= `2${ 3 }4`;
 >k **= `2${ 3 }4` : number
 >k : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 k **= `2${ 3 }4`;
 >k **= `2${ 3 }4` : number
 >k : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 
diff --git a/tests/baselines/reference/exponentiationOperatorWithTemplateStringInvalidES6.types b/tests/baselines/reference/exponentiationOperatorWithTemplateStringInvalidES6.types
index 6db21a24ce38c..eaca3660157fc 100644
--- a/tests/baselines/reference/exponentiationOperatorWithTemplateStringInvalidES6.types
+++ b/tests/baselines/reference/exponentiationOperatorWithTemplateStringInvalidES6.types
@@ -3,55 +3,55 @@ var a = 1 ** `${ 3 }`;
 >a : number
 >1 ** `${ 3 }` : number
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var b = 1 ** `2${ 3 }`;
 >b : number
 >1 ** `2${ 3 }` : number
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 var c = 1 ** `${ 3 }4`;
 >c : number
 >1 ** `${ 3 }4` : number
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 
 var d = 1 ** `2${ 3 }4`;
 >d : number
 >1 ** `2${ 3 }4` : number
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 var e = `${ 3 }` ** 5;
 >e : number
 >`${ 3 }` ** 5 : number
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
 var f = `2${ 3 }` ** 5;
 >f : number
 >`2${ 3 }` ** 5 : number
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
 var g = `${ 3 }4` ** 5;
 >g : number
 >`${ 3 }4` ** 5 : number
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
 var h = `2${ 3 }4` ** 5;
 >h : number
 >`2${ 3 }4` ** 5 : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -62,24 +62,24 @@ var k = 10;
 k **= `${ 3 }`;
 >k **= `${ 3 }` : number
 >k : number
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 k **= `2${ 3 }`;
 >k **= `2${ 3 }` : number
 >k : number
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 k **= `2${ 3 }4`;
 >k **= `2${ 3 }4` : number
 >k : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 kj **= `2${ 3 }4`;
 >kj **= `2${ 3 }4` : number
 >kj : any
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
diff --git a/tests/baselines/reference/importCallExpressionDeclarationEmit1.js b/tests/baselines/reference/importCallExpressionDeclarationEmit1.js
index 721d85abe717a..154e2f0a5e9f4 100644
--- a/tests/baselines/reference/importCallExpressionDeclarationEmit1.js
+++ b/tests/baselines/reference/importCallExpressionDeclarationEmit1.js
@@ -6,7 +6,7 @@ declare const moduleFile: number;
 
 import(getSpecifier());
 
-var p0 = import(`${directory}\${moduleFile}`);
+var p0 = import(`${directory}\\${moduleFile}`);
 var p1 = import(getSpecifier());
 const p2 = import(whatToLoad ? getSpecifier() : "defaulPath")
 
@@ -16,7 +16,7 @@ function returnDynamicLoad(path: string) {
 
 //// [importCallExpressionDeclarationEmit1.js]
 Promise.resolve().then(() => require(getSpecifier()));
-var p0 = Promise.resolve().then(() => require(`${directory}\${moduleFile}`));
+var p0 = Promise.resolve().then(() => require(`${directory}\\${moduleFile}`));
 var p1 = Promise.resolve().then(() => require(getSpecifier()));
 const p2 = Promise.resolve().then(() => require(whatToLoad ? getSpecifier() : "defaulPath"));
 function returnDynamicLoad(path) {
diff --git a/tests/baselines/reference/importCallExpressionDeclarationEmit1.symbols b/tests/baselines/reference/importCallExpressionDeclarationEmit1.symbols
index d2266cc768b62..53391741b4367 100644
--- a/tests/baselines/reference/importCallExpressionDeclarationEmit1.symbols
+++ b/tests/baselines/reference/importCallExpressionDeclarationEmit1.symbols
@@ -14,9 +14,10 @@ declare const moduleFile: number;
 import(getSpecifier());
 >getSpecifier : Symbol(getSpecifier, Decl(importCallExpressionDeclarationEmit1.ts, 0, 0))
 
-var p0 = import(`${directory}\${moduleFile}`);
+var p0 = import(`${directory}\\${moduleFile}`);
 >p0 : Symbol(p0, Decl(importCallExpressionDeclarationEmit1.ts, 7, 3))
 >directory : Symbol(directory, Decl(importCallExpressionDeclarationEmit1.ts, 2, 13))
+>moduleFile : Symbol(moduleFile, Decl(importCallExpressionDeclarationEmit1.ts, 3, 13))
 
 var p1 = import(getSpecifier());
 >p1 : Symbol(p1, Decl(importCallExpressionDeclarationEmit1.ts, 8, 3))
diff --git a/tests/baselines/reference/importCallExpressionDeclarationEmit1.types b/tests/baselines/reference/importCallExpressionDeclarationEmit1.types
index db5400818c874..2683bb3cc85ab 100644
--- a/tests/baselines/reference/importCallExpressionDeclarationEmit1.types
+++ b/tests/baselines/reference/importCallExpressionDeclarationEmit1.types
@@ -16,11 +16,12 @@ import(getSpecifier());
 >getSpecifier() : string
 >getSpecifier : () => string
 
-var p0 = import(`${directory}\${moduleFile}`);
+var p0 = import(`${directory}\\${moduleFile}`);
 >p0 : Promise<any>
->import(`${directory}\${moduleFile}`) : Promise<any>
->`${directory}\${moduleFile}` : string
+>import(`${directory}\\${moduleFile}`) : Promise<any>
+>`${directory}\\${moduleFile}` : `${string}\\${number}`
 >directory : string
+>moduleFile : number
 
 var p1 = import(getSpecifier());
 >p1 : Promise<any>
diff --git a/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.js b/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.js
index fe4aaf9cdc77b..b7db3e18d22d4 100644
--- a/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.js
+++ b/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.js
@@ -11,7 +11,7 @@ declare var whatToLoad: boolean;
 declare const directory: string;
 declare const moduleFile: number;
 
-import(`${directory}\${moduleFile}`);
+import(`${directory}\\${moduleFile}`);
 import(getSpecifier());
 
 var p1 = import(ValidSomeCondition() ? "./0" : "externalModule");
@@ -27,7 +27,7 @@ var p3: Promise<typeof defaultModule> = import(j=getSpecifier());
 
 function * loadModule(directories: string[]) {
     for (const directory of directories) {
-        const path = `${directory}\moduleFile`;
+        const path = `${directory}\\moduleFile`;
         import(yield path);
     }
 }
@@ -43,7 +43,7 @@ exports.C = C;
 //// [1.js]
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
-Promise.resolve().then(() => require(`${directory}\${moduleFile}`));
+Promise.resolve().then(() => require(`${directory}\\${moduleFile}`));
 Promise.resolve().then(() => require(getSpecifier()));
 var p1 = Promise.resolve().then(() => require(ValidSomeCondition() ? "./0" : "externalModule"));
 var p1 = Promise.resolve().then(() => require(getSpecifier()));
@@ -56,7 +56,7 @@ let j;
 var p3 = Promise.resolve().then(() => require(j = getSpecifier()));
 function* loadModule(directories) {
     for (const directory of directories) {
-        const path = `${directory}\moduleFile`;
+        const path = `${directory}\\moduleFile`;
         Promise.resolve().then(() => require(yield path));
     }
 }
diff --git a/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.symbols b/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.symbols
index d2cdfd31e4a68..0fc5a7185b5d4 100644
--- a/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.symbols
+++ b/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.symbols
@@ -21,8 +21,9 @@ declare const directory: string;
 declare const moduleFile: number;
 >moduleFile : Symbol(moduleFile, Decl(1.ts, 5, 13))
 
-import(`${directory}\${moduleFile}`);
+import(`${directory}\\${moduleFile}`);
 >directory : Symbol(directory, Decl(1.ts, 4, 13))
+>moduleFile : Symbol(moduleFile, Decl(1.ts, 5, 13))
 
 import(getSpecifier());
 >getSpecifier : Symbol(getSpecifier, Decl(1.ts, 0, 47))
@@ -78,7 +79,7 @@ function * loadModule(directories: string[]) {
 >directory : Symbol(directory, Decl(1.ts, 22, 14))
 >directories : Symbol(directories, Decl(1.ts, 21, 22))
 
-        const path = `${directory}\moduleFile`;
+        const path = `${directory}\\moduleFile`;
 >path : Symbol(path, Decl(1.ts, 23, 13))
 >directory : Symbol(directory, Decl(1.ts, 22, 14))
 
diff --git a/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.types b/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.types
index b5f526adc8e89..9592dc870d318 100644
--- a/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.types
+++ b/tests/baselines/reference/importCallExpressionReturnPromiseOfAny.types
@@ -21,10 +21,11 @@ declare const directory: string;
 declare const moduleFile: number;
 >moduleFile : number
 
-import(`${directory}\${moduleFile}`);
->import(`${directory}\${moduleFile}`) : Promise<any>
->`${directory}\${moduleFile}` : string
+import(`${directory}\\${moduleFile}`);
+>import(`${directory}\\${moduleFile}`) : Promise<any>
+>`${directory}\\${moduleFile}` : `${string}\\${number}`
 >directory : string
+>moduleFile : number
 
 import(getSpecifier());
 >import(getSpecifier()) : Promise<any>
@@ -93,22 +94,22 @@ var p3: Promise<typeof defaultModule> = import(j=getSpecifier());
 >getSpecifier : () => string
 
 function * loadModule(directories: string[]) {
->loadModule : (directories: string[]) => Generator<string, void, string>
+>loadModule : (directories: string[]) => Generator<`${string}\\moduleFile`, void, string>
 >directories : string[]
 
     for (const directory of directories) {
 >directory : string
 >directories : string[]
 
-        const path = `${directory}\moduleFile`;
->path : string
->`${directory}\moduleFile` : string
+        const path = `${directory}\\moduleFile`;
+>path : `${string}\\moduleFile`
+>`${directory}\\moduleFile` : `${string}\\moduleFile`
 >directory : string
 
         import(yield path);
 >import(yield path) : Promise<any>
 >yield path : any
->path : string
+>path : `${string}\\moduleFile`
     }
 }
 
diff --git a/tests/baselines/reference/importCallExpressionShouldNotGetParen.types b/tests/baselines/reference/importCallExpressionShouldNotGetParen.types
index 6c45228344687..b9c3cde9b89b9 100644
--- a/tests/baselines/reference/importCallExpressionShouldNotGetParen.types
+++ b/tests/baselines/reference/importCallExpressionShouldNotGetParen.types
@@ -7,7 +7,7 @@ import(`./locales/${localeName}.js`).then(bar => {
 >import(`./locales/${localeName}.js`).then(bar => {    let x = bar;}) : Promise<void>
 >import(`./locales/${localeName}.js`).then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >import(`./locales/${localeName}.js`) : Promise<any>
->`./locales/${localeName}.js` : string
+>`./locales/${localeName}.js` : "./locales/zh-CN.js"
 >localeName : "zh-CN"
 >then : <TResult1 = any, TResult2 = never>(onfulfilled?: (value: any) => TResult1 | PromiseLike<TResult1>, onrejected?: (reason: any) => TResult2 | PromiseLike<TResult2>) => Promise<TResult1 | TResult2>
 >bar => {    let x = bar;} : (bar: any) => void
diff --git a/tests/baselines/reference/inferenceErasedSignatures.types b/tests/baselines/reference/inferenceErasedSignatures.types
index 84f64ffda5682..018a06971100a 100644
--- a/tests/baselines/reference/inferenceErasedSignatures.types
+++ b/tests/baselines/reference/inferenceErasedSignatures.types
@@ -36,7 +36,7 @@ class SomeClass extends SomeAbstractClass<number, string, boolean> {
 >context : number
 
         return `${context}`;
->`${context}` : string
+>`${context}` : `${number}`
 >context : number
     }
 }
diff --git a/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=es2015).types b/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=es2015).types
index 08b1ed6844442..8acfa55570242 100644
--- a/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=es2015).types
+++ b/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=es2015).types
@@ -18,21 +18,21 @@ const b = tag`123 ${100}`
 >b : any
 >tag`123 ${100}` : any
 >tag : (str: any, ...args: any[]) => any
->`123 ${100}` : string
+>`123 ${100}` : "123 100"
 >100 : 100
 
 const x = tag`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld`;
 >x : any
 >tag`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : any
 >tag : (str: any, ...args: any[]) => any
->`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : string
+>`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : "\\u{hello} 100 \\xtraordinary 200 wonderful 300 \\uworld"
 >100 : 100
 >200 : 200
 >300 : 300
 
 const y = `\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld`; // should error with NoSubstitutionTemplate
->y : string
->`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : string
+>y : "hello} 100 traordinary 200 wonderful 300 world"
+>`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : "hello} 100 traordinary 200 wonderful 300 world"
 >100 : 100
 >200 : 200
 >300 : 300
@@ -47,97 +47,97 @@ const a1 = tag`${ 100 }\0` // \0
 >a1 : any
 >tag`${ 100 }\0` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\0` : string
+>`${ 100 }\0` : "100\0"
 >100 : 100
 
 const a2 = tag`${ 100 }\00` // \\00
 >a2 : any
 >tag`${ 100 }\00` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\00` : string
+>`${ 100 }\00` : "100\\00"
 >100 : 100
 
 const a3 = tag`${ 100 }\u` // \\u
 >a3 : any
 >tag`${ 100 }\u` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u` : string
+>`${ 100 }\u` : "100\\u"
 >100 : 100
 
 const a4 = tag`${ 100 }\u0` // \\u0
 >a4 : any
 >tag`${ 100 }\u0` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u0` : string
+>`${ 100 }\u0` : "100\\u0"
 >100 : 100
 
 const a5 = tag`${ 100 }\u00` // \\u00
 >a5 : any
 >tag`${ 100 }\u00` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u00` : string
+>`${ 100 }\u00` : "100\\u00"
 >100 : 100
 
 const a6 = tag`${ 100 }\u000` // \\u000
 >a6 : any
 >tag`${ 100 }\u000` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u000` : string
+>`${ 100 }\u000` : "100\\u000"
 >100 : 100
 
 const a7 = tag`${ 100 }\u0000` // \u0000
 >a7 : any
 >tag`${ 100 }\u0000` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u0000` : string
+>`${ 100 }\u0000` : "100\0"
 >100 : 100
 
 const a8 = tag`${ 100 }\u{` // \\u{
 >a8 : any
 >tag`${ 100 }\u{` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{` : string
+>`${ 100 }\u{` : "100\\u{"
 >100 : 100
 
 const a9 = tag`${ 100 }\u{10FFFF}` // \\u{10FFFF
 >a9 : any
 >tag`${ 100 }\u{10FFFF}` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{10FFFF}` : string
+>`${ 100 }\u{10FFFF}` : "100􏿿"
 >100 : 100
 
 const a10 = tag`${ 100 }\u{1f622` // \\u{1f622
 >a10 : any
 >tag`${ 100 }\u{1f622` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{1f622` : string
+>`${ 100 }\u{1f622` : "100\\u{1f622"
 >100 : 100
 
 const a11 = tag`${ 100 }\u{1f622}` // \u{1f622}
 >a11 : any
 >tag`${ 100 }\u{1f622}` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{1f622}` : string
+>`${ 100 }\u{1f622}` : "100😢"
 >100 : 100
 
 const a12 = tag`${ 100 }\x` // \\x
 >a12 : any
 >tag`${ 100 }\x` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\x` : string
+>`${ 100 }\x` : "100\\x"
 >100 : 100
 
 const a13 = tag`${ 100 }\x0` // \\x0
 >a13 : any
 >tag`${ 100 }\x0` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\x0` : string
+>`${ 100 }\x0` : "100\\x0"
 >100 : 100
 
 const a14 = tag`${ 100 }\x00` // \x00
 >a14 : any
 >tag`${ 100 }\x00` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\x00` : string
+>`${ 100 }\x00` : "100\0"
 >100 : 100
 
diff --git a/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=es5).types b/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=es5).types
index 08b1ed6844442..8acfa55570242 100644
--- a/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=es5).types
+++ b/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=es5).types
@@ -18,21 +18,21 @@ const b = tag`123 ${100}`
 >b : any
 >tag`123 ${100}` : any
 >tag : (str: any, ...args: any[]) => any
->`123 ${100}` : string
+>`123 ${100}` : "123 100"
 >100 : 100
 
 const x = tag`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld`;
 >x : any
 >tag`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : any
 >tag : (str: any, ...args: any[]) => any
->`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : string
+>`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : "\\u{hello} 100 \\xtraordinary 200 wonderful 300 \\uworld"
 >100 : 100
 >200 : 200
 >300 : 300
 
 const y = `\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld`; // should error with NoSubstitutionTemplate
->y : string
->`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : string
+>y : "hello} 100 traordinary 200 wonderful 300 world"
+>`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : "hello} 100 traordinary 200 wonderful 300 world"
 >100 : 100
 >200 : 200
 >300 : 300
@@ -47,97 +47,97 @@ const a1 = tag`${ 100 }\0` // \0
 >a1 : any
 >tag`${ 100 }\0` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\0` : string
+>`${ 100 }\0` : "100\0"
 >100 : 100
 
 const a2 = tag`${ 100 }\00` // \\00
 >a2 : any
 >tag`${ 100 }\00` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\00` : string
+>`${ 100 }\00` : "100\\00"
 >100 : 100
 
 const a3 = tag`${ 100 }\u` // \\u
 >a3 : any
 >tag`${ 100 }\u` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u` : string
+>`${ 100 }\u` : "100\\u"
 >100 : 100
 
 const a4 = tag`${ 100 }\u0` // \\u0
 >a4 : any
 >tag`${ 100 }\u0` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u0` : string
+>`${ 100 }\u0` : "100\\u0"
 >100 : 100
 
 const a5 = tag`${ 100 }\u00` // \\u00
 >a5 : any
 >tag`${ 100 }\u00` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u00` : string
+>`${ 100 }\u00` : "100\\u00"
 >100 : 100
 
 const a6 = tag`${ 100 }\u000` // \\u000
 >a6 : any
 >tag`${ 100 }\u000` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u000` : string
+>`${ 100 }\u000` : "100\\u000"
 >100 : 100
 
 const a7 = tag`${ 100 }\u0000` // \u0000
 >a7 : any
 >tag`${ 100 }\u0000` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u0000` : string
+>`${ 100 }\u0000` : "100\0"
 >100 : 100
 
 const a8 = tag`${ 100 }\u{` // \\u{
 >a8 : any
 >tag`${ 100 }\u{` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{` : string
+>`${ 100 }\u{` : "100\\u{"
 >100 : 100
 
 const a9 = tag`${ 100 }\u{10FFFF}` // \\u{10FFFF
 >a9 : any
 >tag`${ 100 }\u{10FFFF}` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{10FFFF}` : string
+>`${ 100 }\u{10FFFF}` : "100􏿿"
 >100 : 100
 
 const a10 = tag`${ 100 }\u{1f622` // \\u{1f622
 >a10 : any
 >tag`${ 100 }\u{1f622` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{1f622` : string
+>`${ 100 }\u{1f622` : "100\\u{1f622"
 >100 : 100
 
 const a11 = tag`${ 100 }\u{1f622}` // \u{1f622}
 >a11 : any
 >tag`${ 100 }\u{1f622}` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{1f622}` : string
+>`${ 100 }\u{1f622}` : "100😢"
 >100 : 100
 
 const a12 = tag`${ 100 }\x` // \\x
 >a12 : any
 >tag`${ 100 }\x` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\x` : string
+>`${ 100 }\x` : "100\\x"
 >100 : 100
 
 const a13 = tag`${ 100 }\x0` // \\x0
 >a13 : any
 >tag`${ 100 }\x0` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\x0` : string
+>`${ 100 }\x0` : "100\\x0"
 >100 : 100
 
 const a14 = tag`${ 100 }\x00` // \x00
 >a14 : any
 >tag`${ 100 }\x00` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\x00` : string
+>`${ 100 }\x00` : "100\0"
 >100 : 100
 
diff --git a/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=esnext).types b/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=esnext).types
index 08b1ed6844442..8acfa55570242 100644
--- a/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=esnext).types
+++ b/tests/baselines/reference/invalidTaggedTemplateEscapeSequences(target=esnext).types
@@ -18,21 +18,21 @@ const b = tag`123 ${100}`
 >b : any
 >tag`123 ${100}` : any
 >tag : (str: any, ...args: any[]) => any
->`123 ${100}` : string
+>`123 ${100}` : "123 100"
 >100 : 100
 
 const x = tag`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld`;
 >x : any
 >tag`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : any
 >tag : (str: any, ...args: any[]) => any
->`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : string
+>`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : "\\u{hello} 100 \\xtraordinary 200 wonderful 300 \\uworld"
 >100 : 100
 >200 : 200
 >300 : 300
 
 const y = `\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld`; // should error with NoSubstitutionTemplate
->y : string
->`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : string
+>y : "hello} 100 traordinary 200 wonderful 300 world"
+>`\u{hello} ${ 100 } \xtraordinary ${ 200 } wonderful ${ 300 } \uworld` : "hello} 100 traordinary 200 wonderful 300 world"
 >100 : 100
 >200 : 200
 >300 : 300
@@ -47,97 +47,97 @@ const a1 = tag`${ 100 }\0` // \0
 >a1 : any
 >tag`${ 100 }\0` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\0` : string
+>`${ 100 }\0` : "100\0"
 >100 : 100
 
 const a2 = tag`${ 100 }\00` // \\00
 >a2 : any
 >tag`${ 100 }\00` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\00` : string
+>`${ 100 }\00` : "100\\00"
 >100 : 100
 
 const a3 = tag`${ 100 }\u` // \\u
 >a3 : any
 >tag`${ 100 }\u` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u` : string
+>`${ 100 }\u` : "100\\u"
 >100 : 100
 
 const a4 = tag`${ 100 }\u0` // \\u0
 >a4 : any
 >tag`${ 100 }\u0` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u0` : string
+>`${ 100 }\u0` : "100\\u0"
 >100 : 100
 
 const a5 = tag`${ 100 }\u00` // \\u00
 >a5 : any
 >tag`${ 100 }\u00` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u00` : string
+>`${ 100 }\u00` : "100\\u00"
 >100 : 100
 
 const a6 = tag`${ 100 }\u000` // \\u000
 >a6 : any
 >tag`${ 100 }\u000` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u000` : string
+>`${ 100 }\u000` : "100\\u000"
 >100 : 100
 
 const a7 = tag`${ 100 }\u0000` // \u0000
 >a7 : any
 >tag`${ 100 }\u0000` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u0000` : string
+>`${ 100 }\u0000` : "100\0"
 >100 : 100
 
 const a8 = tag`${ 100 }\u{` // \\u{
 >a8 : any
 >tag`${ 100 }\u{` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{` : string
+>`${ 100 }\u{` : "100\\u{"
 >100 : 100
 
 const a9 = tag`${ 100 }\u{10FFFF}` // \\u{10FFFF
 >a9 : any
 >tag`${ 100 }\u{10FFFF}` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{10FFFF}` : string
+>`${ 100 }\u{10FFFF}` : "100􏿿"
 >100 : 100
 
 const a10 = tag`${ 100 }\u{1f622` // \\u{1f622
 >a10 : any
 >tag`${ 100 }\u{1f622` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{1f622` : string
+>`${ 100 }\u{1f622` : "100\\u{1f622"
 >100 : 100
 
 const a11 = tag`${ 100 }\u{1f622}` // \u{1f622}
 >a11 : any
 >tag`${ 100 }\u{1f622}` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\u{1f622}` : string
+>`${ 100 }\u{1f622}` : "100😢"
 >100 : 100
 
 const a12 = tag`${ 100 }\x` // \\x
 >a12 : any
 >tag`${ 100 }\x` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\x` : string
+>`${ 100 }\x` : "100\\x"
 >100 : 100
 
 const a13 = tag`${ 100 }\x0` // \\x0
 >a13 : any
 >tag`${ 100 }\x0` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\x0` : string
+>`${ 100 }\x0` : "100\\x0"
 >100 : 100
 
 const a14 = tag`${ 100 }\x00` // \x00
 >a14 : any
 >tag`${ 100 }\x00` : any
 >tag : (str: any, ...args: any[]) => any
->`${ 100 }\x00` : string
+>`${ 100 }\x00` : "100\0"
 >100 : 100
 
diff --git a/tests/baselines/reference/jsDeclarationsExportedClassAliases.types b/tests/baselines/reference/jsDeclarationsExportedClassAliases.types
index c9be4e46037d6..9a2369a46c07f 100644
--- a/tests/baselines/reference/jsDeclarationsExportedClassAliases.types
+++ b/tests/baselines/reference/jsDeclarationsExportedClassAliases.types
@@ -28,7 +28,7 @@ class FancyError extends Error {
         super(`error with status ${status}`);
 >super(`error with status ${status}`) : void
 >super : ErrorConstructor
->`error with status ${status}` : string
+>`error with status ${status}` : `error with status ${any}`
 >status : any
     }
 }
diff --git a/tests/baselines/reference/jsdocTypeFromChainedAssignment2.types b/tests/baselines/reference/jsdocTypeFromChainedAssignment2.types
index 7bbcb5becabcb..9950788aa5743 100644
--- a/tests/baselines/reference/jsdocTypeFromChainedAssignment2.types
+++ b/tests/baselines/reference/jsdocTypeFromChainedAssignment2.types
@@ -20,17 +20,17 @@ mod.g('also no')
 >'also no' : "also no"
 
 mod.h(0)
->mod.h(0) : string
->mod.h : (mom: string) => string
+>mod.h(0) : `hi, ${string}!`
+>mod.h : (mom: string) => `hi, ${string}!`
 >mod : typeof mod
->h : (mom: string) => string
+>h : (mom: string) => `hi, ${string}!`
 >0 : 0
 
 mod.i(1)
->mod.i(1) : string
->mod.i : (mom: string) => string
+>mod.i(1) : `hi, ${string}!`
+>mod.i : (mom: string) => `hi, ${string}!`
 >mod : typeof mod
->i : (mom: string) => string
+>i : (mom: string) => `hi, ${string}!`
 >1 : 1
 
 === tests/cases/conformance/jsdoc/mod.js ===
@@ -55,24 +55,24 @@ exports.f = exports.g = function fg(n) {
 }
 /** @param {string} mom */
 module.exports.h = module.exports.i = function hi(mom) {
->module.exports.h = module.exports.i = function hi(mom) {    return `hi, ${mom}!`;} : (mom: string) => string
->module.exports.h : (mom: string) => string
+>module.exports.h = module.exports.i = function hi(mom) {    return `hi, ${mom}!`;} : (mom: string) => `hi, ${string}!`
+>module.exports.h : (mom: string) => `hi, ${string}!`
 >module.exports : typeof import("tests/cases/conformance/jsdoc/mod")
 >module : { "\"tests/cases/conformance/jsdoc/mod\"": typeof import("tests/cases/conformance/jsdoc/mod"); }
 >exports : typeof import("tests/cases/conformance/jsdoc/mod")
->h : (mom: string) => string
->module.exports.i = function hi(mom) {    return `hi, ${mom}!`;} : (mom: string) => string
->module.exports.i : (mom: string) => string
+>h : (mom: string) => `hi, ${string}!`
+>module.exports.i = function hi(mom) {    return `hi, ${mom}!`;} : (mom: string) => `hi, ${string}!`
+>module.exports.i : (mom: string) => `hi, ${string}!`
 >module.exports : typeof import("tests/cases/conformance/jsdoc/mod")
 >module : { "\"tests/cases/conformance/jsdoc/mod\"": typeof import("tests/cases/conformance/jsdoc/mod"); }
 >exports : typeof import("tests/cases/conformance/jsdoc/mod")
->i : (mom: string) => string
->function hi(mom) {    return `hi, ${mom}!`;} : (mom: string) => string
->hi : (mom: string) => string
+>i : (mom: string) => `hi, ${string}!`
+>function hi(mom) {    return `hi, ${mom}!`;} : (mom: string) => `hi, ${string}!`
+>hi : (mom: string) => `hi, ${string}!`
 >mom : string
 
     return `hi, ${mom}!`;
->`hi, ${mom}!` : string
+>`hi, ${mom}!` : `hi, ${string}!`
 >mom : string
 }
 
diff --git a/tests/baselines/reference/noImplicitSymbolToString.types b/tests/baselines/reference/noImplicitSymbolToString.types
index c21c0e07bfded..e4ea9afa516d1 100644
--- a/tests/baselines/reference/noImplicitSymbolToString.types
+++ b/tests/baselines/reference/noImplicitSymbolToString.types
@@ -9,8 +9,8 @@ let str = "hello ";
 >"hello " : "hello "
 
 const templateStr = `hello ${symbol}`;
->templateStr : string
->`hello ${symbol}` : string
+>templateStr : `hello ${string}`
+>`hello ${symbol}` : `hello ${string}`
 >symbol : symbol
 
 const appendStr = "hello " + symbol;
@@ -31,8 +31,8 @@ let symbolUnionString!: symbol | string;
 >symbolUnionString : string | symbol
 
 const templateStrUnion = `union with number ${symbolUnionNumber} and union with string ${symbolUnionString}`;
->templateStrUnion : string
->`union with number ${symbolUnionNumber} and union with string ${symbolUnionString}` : string
+>templateStrUnion : `union with number ${string} and union with string ${string}`
+>`union with number ${symbolUnionNumber} and union with string ${symbolUnionString}` : `union with number ${string} and union with string ${string}`
 >symbolUnionNumber : number | symbol
 >symbolUnionString : string | symbol
 
diff --git a/tests/baselines/reference/parenthesizedContexualTyping3.types b/tests/baselines/reference/parenthesizedContexualTyping3.types
index d43cd213b5697..2acc75d368e6e 100644
--- a/tests/baselines/reference/parenthesizedContexualTyping3.types
+++ b/tests/baselines/reference/parenthesizedContexualTyping3.types
@@ -37,7 +37,7 @@ var a = tempFun `${ x => x }  ${ 10 }`
 >a : number
 >tempFun `${ x => x }  ${ 10 }` : number
 >tempFun : { <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, x: T): T; <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, h: (y: T) => T, x: T): T; }
->`${ x => x }  ${ 10 }` : string
+>`${ x => x }  ${ 10 }` : `${string}  10`
 >x => x : (x: number) => number
 >x : number
 >x : number
@@ -47,7 +47,7 @@ var b = tempFun `${ (x => x) }  ${ 10 }`
 >b : number
 >tempFun `${ (x => x) }  ${ 10 }` : number
 >tempFun : { <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, x: T): T; <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, h: (y: T) => T, x: T): T; }
->`${ (x => x) }  ${ 10 }` : string
+>`${ (x => x) }  ${ 10 }` : `${string}  10`
 >(x => x) : (x: number) => number
 >x => x : (x: number) => number
 >x : number
@@ -58,7 +58,7 @@ var c = tempFun `${ ((x => x)) } ${ 10 }`
 >c : number
 >tempFun `${ ((x => x)) } ${ 10 }` : number
 >tempFun : { <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, x: T): T; <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, h: (y: T) => T, x: T): T; }
->`${ ((x => x)) } ${ 10 }` : string
+>`${ ((x => x)) } ${ 10 }` : `${string} 10`
 >((x => x)) : (x: number) => number
 >(x => x) : (x: number) => number
 >x => x : (x: number) => number
@@ -70,7 +70,7 @@ var d = tempFun `${ x => x } ${ x => x } ${ 10 }`
 >d : number
 >tempFun `${ x => x } ${ x => x } ${ 10 }` : number
 >tempFun : { <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, x: T): T; <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, h: (y: T) => T, x: T): T; }
->`${ x => x } ${ x => x } ${ 10 }` : string
+>`${ x => x } ${ x => x } ${ 10 }` : `${string} ${string} 10`
 >x => x : (x: number) => number
 >x : number
 >x : number
@@ -83,7 +83,7 @@ var e = tempFun `${ x => x } ${ (x => x) } ${ 10 }`
 >e : number
 >tempFun `${ x => x } ${ (x => x) } ${ 10 }` : number
 >tempFun : { <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, x: T): T; <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, h: (y: T) => T, x: T): T; }
->`${ x => x } ${ (x => x) } ${ 10 }` : string
+>`${ x => x } ${ (x => x) } ${ 10 }` : `${string} ${string} 10`
 >x => x : (x: number) => number
 >x : number
 >x : number
@@ -97,7 +97,7 @@ var f = tempFun `${ x => x } ${ ((x => x)) } ${ 10 }`
 >f : number
 >tempFun `${ x => x } ${ ((x => x)) } ${ 10 }` : number
 >tempFun : { <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, x: T): T; <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, h: (y: T) => T, x: T): T; }
->`${ x => x } ${ ((x => x)) } ${ 10 }` : string
+>`${ x => x } ${ ((x => x)) } ${ 10 }` : `${string} ${string} 10`
 >x => x : (x: number) => number
 >x : number
 >x : number
@@ -112,7 +112,7 @@ var g = tempFun `${ (x => x) } ${ (((x => x))) } ${ 10 }`
 >g : number
 >tempFun `${ (x => x) } ${ (((x => x))) } ${ 10 }` : number
 >tempFun : { <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, x: T): T; <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, h: (y: T) => T, x: T): T; }
->`${ (x => x) } ${ (((x => x))) } ${ 10 }` : string
+>`${ (x => x) } ${ (((x => x))) } ${ 10 }` : `${string} ${string} 10`
 >(x => x) : (x: number) => number
 >x => x : (x: number) => number
 >x : number
@@ -129,7 +129,7 @@ var h = tempFun `${ (x => x) } ${ (((x => x))) } ${ undefined }`
 >h : any
 >tempFun `${ (x => x) } ${ (((x => x))) } ${ undefined }` : any
 >tempFun : { <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, x: T): T; <T>(tempStrs: TemplateStringsArray, g: (x: T) => T, h: (y: T) => T, x: T): T; }
->`${ (x => x) } ${ (((x => x))) } ${ undefined }` : string
+>`${ (x => x) } ${ (((x => x))) } ${ undefined }` : `${string} ${string} undefined`
 >(x => x) : (x: any) => any
 >x => x : (x: any) => any
 >x : any
diff --git a/tests/baselines/reference/privateNameFieldCallExpression.types b/tests/baselines/reference/privateNameFieldCallExpression.types
index a103c2230b4d6..cdcf01d0e5ce7 100644
--- a/tests/baselines/reference/privateNameFieldCallExpression.types
+++ b/tests/baselines/reference/privateNameFieldCallExpression.types
@@ -73,7 +73,7 @@ class A {
 >this.#fieldFunc2`head${1}middle${2}tail` : void
 >this.#fieldFunc2 : (a: any, ...b: any[]) => void
 >this : this
->`head${1}middle${2}tail` : string
+>`head${1}middle${2}tail` : "head1middle2tail"
 >1 : 1
 >2 : 2
 
@@ -84,7 +84,7 @@ class A {
 >this.getInstance : () => A
 >this : this
 >getInstance : () => A
->`test${1}and${2}` : string
+>`test${1}and${2}` : "test1and2"
 >1 : 1
 >2 : 2
     }
diff --git a/tests/baselines/reference/propertyOverridesAccessors2.types b/tests/baselines/reference/propertyOverridesAccessors2.types
index b87387d052a98..8ea1f4449c57f 100644
--- a/tests/baselines/reference/propertyOverridesAccessors2.types
+++ b/tests/baselines/reference/propertyOverridesAccessors2.types
@@ -13,7 +13,7 @@ class Base {
 >console.log : (...data: any[]) => void
 >console : Console
 >log : (...data: any[]) => void
->`x was set to ${value}` : string
+>`x was set to ${value}` : `x was set to ${number}`
 >value : number
 }
 
diff --git a/tests/baselines/reference/recursiveTypeReferences1.types b/tests/baselines/reference/recursiveTypeReferences1.types
index 8259f392c5ba8..4008c9286ac88 100644
--- a/tests/baselines/reference/recursiveTypeReferences1.types
+++ b/tests/baselines/reference/recursiveTypeReferences1.types
@@ -445,7 +445,7 @@ function parse(node: Tree, index: number[] = []): HTMLUListElement {
 >'a' : "a"
 >{ href: `#${el.id}`, rel: 'noopener', 'data-index': idx.join('.') } : { href: string; rel: string; 'data-index': string; }
 >href : string
->`#${el.id}` : string
+>`#${el.id}` : `#${string}`
 >el.id : string
 >el : HTMLHeadingElement
 >id : string
diff --git a/tests/baselines/reference/stringLiteralTypesWithTemplateStrings02.errors.txt b/tests/baselines/reference/stringLiteralTypesWithTemplateStrings02.errors.txt
index 4137661f0bef9..21293d7c84e6c 100644
--- a/tests/baselines/reference/stringLiteralTypesWithTemplateStrings02.errors.txt
+++ b/tests/baselines/reference/stringLiteralTypesWithTemplateStrings02.errors.txt
@@ -1,12 +1,9 @@
 tests/cases/conformance/types/stringLiteral/stringLiteralTypesWithTemplateStrings02.ts(1,5): error TS2322: Type '"AB\nC"' is not assignable to type '"AB\r\nC"'.
-tests/cases/conformance/types/stringLiteral/stringLiteralTypesWithTemplateStrings02.ts(3,5): error TS2322: Type 'string' is not assignable to type '"DE\nF"'.
 
 
-==== tests/cases/conformance/types/stringLiteral/stringLiteralTypesWithTemplateStrings02.ts (2 errors) ====
+==== tests/cases/conformance/types/stringLiteral/stringLiteralTypesWithTemplateStrings02.ts (1 errors) ====
     let abc: "AB\r\nC" = `AB
         ~~~
 !!! error TS2322: Type '"AB\nC"' is not assignable to type '"AB\r\nC"'.
     C`;
-    let de_NEWLINE_f: "DE\nF" = `DE${"\n"}F`;
-        ~~~~~~~~~~~~
-!!! error TS2322: Type 'string' is not assignable to type '"DE\nF"'.
\ No newline at end of file
+    let de_NEWLINE_f: "DE\nF" = `DE${"\n"}F`;
\ No newline at end of file
diff --git a/tests/baselines/reference/stringLiteralTypesWithTemplateStrings02.types b/tests/baselines/reference/stringLiteralTypesWithTemplateStrings02.types
index c8dcf901e534b..912ab642767ae 100644
--- a/tests/baselines/reference/stringLiteralTypesWithTemplateStrings02.types
+++ b/tests/baselines/reference/stringLiteralTypesWithTemplateStrings02.types
@@ -6,6 +6,6 @@ let abc: "AB\r\nC" = `AB
 C`;
 let de_NEWLINE_f: "DE\nF" = `DE${"\n"}F`;
 >de_NEWLINE_f : "DE\nF"
->`DE${"\n"}F` : string
+>`DE${"\n"}F` : "DE\nF"
 >"\n" : "\n"
 
diff --git a/tests/baselines/reference/taggedTemplateChain.types b/tests/baselines/reference/taggedTemplateChain.types
index 9690fc22f6991..510f0846e4895 100644
--- a/tests/baselines/reference/taggedTemplateChain.types
+++ b/tests/baselines/reference/taggedTemplateChain.types
@@ -10,6 +10,6 @@ a?.`b`;
 a?.`b${1}c`;
 >a?.`b${1}c` : any
 >a : any
->`b${1}c` : string
+>`b${1}c` : "b1c"
 >1 : 1
 
diff --git a/tests/baselines/reference/taggedTemplateContextualTyping1.types b/tests/baselines/reference/taggedTemplateContextualTyping1.types
index 84af70b5b88cd..09e05c6570095 100644
--- a/tests/baselines/reference/taggedTemplateContextualTyping1.types
+++ b/tests/baselines/reference/taggedTemplateContextualTyping1.types
@@ -33,7 +33,7 @@ function tempTag1<T>(...rest: any[]): T {
 tempTag1 `${ x => { x<number>(undefined); return x; }                   }${ 10 }`;
 >tempTag1 `${ x => { x<number>(undefined); return x; }                   }${ 10 }` : 10
 >tempTag1 : { <T>(templateStrs: TemplateStringsArray, f: FuncType, x: T): T; <T>(templateStrs: TemplateStringsArray, f: FuncType, h: FuncType, x: T): T; }
->`${ x => { x<number>(undefined); return x; }                   }${ 10 }` : string
+>`${ x => { x<number>(undefined); return x; }                   }${ 10 }` : `${string}10`
 >x => { x<number>(undefined); return x; } : (x: <T>(p: T) => T) => <T>(p: T) => T
 >x : <T>(p: T) => T
 >x<number>(undefined) : number
@@ -45,7 +45,7 @@ tempTag1 `${ x => { x<number>(undefined); return x; }                   }${ 10 }
 tempTag1 `${ x => { x<number>(undefined); return x; }                   }${ y => { y<number>(undefined); return y; }                  }${ 10 }`;
 >tempTag1 `${ x => { x<number>(undefined); return x; }                   }${ y => { y<number>(undefined); return y; }                  }${ 10 }` : 10
 >tempTag1 : { <T>(templateStrs: TemplateStringsArray, f: FuncType, x: T): T; <T>(templateStrs: TemplateStringsArray, f: FuncType, h: FuncType, x: T): T; }
->`${ x => { x<number>(undefined); return x; }                   }${ y => { y<number>(undefined); return y; }                  }${ 10 }` : string
+>`${ x => { x<number>(undefined); return x; }                   }${ y => { y<number>(undefined); return y; }                  }${ 10 }` : `${string}${string}10`
 >x => { x<number>(undefined); return x; } : (x: <T>(p: T) => T) => <T>(p: T) => T
 >x : <T>(p: T) => T
 >x<number>(undefined) : number
@@ -63,7 +63,7 @@ tempTag1 `${ x => { x<number>(undefined); return x; }                   }${ y =>
 tempTag1 `${ x => { x<number>(undefined); return x; }                   }${ (y: <T>(p: T) => T) => { y<number>(undefined); return y } }${ undefined }`;
 >tempTag1 `${ x => { x<number>(undefined); return x; }                   }${ (y: <T>(p: T) => T) => { y<number>(undefined); return y } }${ undefined }` : any
 >tempTag1 : { <T>(templateStrs: TemplateStringsArray, f: FuncType, x: T): T; <T>(templateStrs: TemplateStringsArray, f: FuncType, h: FuncType, x: T): T; }
->`${ x => { x<number>(undefined); return x; }                   }${ (y: <T>(p: T) => T) => { y<number>(undefined); return y } }${ undefined }` : string
+>`${ x => { x<number>(undefined); return x; }                   }${ (y: <T>(p: T) => T) => { y<number>(undefined); return y } }${ undefined }` : `${string}${string}undefined`
 >x => { x<number>(undefined); return x; } : (x: <T>(p: T) => T) => <T>(p: T) => T
 >x : <T>(p: T) => T
 >x<number>(undefined) : number
@@ -82,7 +82,7 @@ tempTag1 `${ x => { x<number>(undefined); return x; }                   }${ (y:
 tempTag1 `${ (x: <T>(p: T) => T) => { x<number>(undefined); return x; } }${ y => { y<number>(undefined); return y; }                  }${ undefined }`;
 >tempTag1 `${ (x: <T>(p: T) => T) => { x<number>(undefined); return x; } }${ y => { y<number>(undefined); return y; }                  }${ undefined }` : any
 >tempTag1 : { <T>(templateStrs: TemplateStringsArray, f: FuncType, x: T): T; <T>(templateStrs: TemplateStringsArray, f: FuncType, h: FuncType, x: T): T; }
->`${ (x: <T>(p: T) => T) => { x<number>(undefined); return x; } }${ y => { y<number>(undefined); return y; }                  }${ undefined }` : string
+>`${ (x: <T>(p: T) => T) => { x<number>(undefined); return x; } }${ y => { y<number>(undefined); return y; }                  }${ undefined }` : `${string}${string}undefined`
 >(x: <T>(p: T) => T) => { x<number>(undefined); return x; } : (x: <T>(p: T) => T) => <T>(p: T) => T
 >x : <T>(p: T) => T
 >p : T
diff --git a/tests/baselines/reference/taggedTemplateContextualTyping2.types b/tests/baselines/reference/taggedTemplateContextualTyping2.types
index d182bb526a882..a84e76263e978 100644
--- a/tests/baselines/reference/taggedTemplateContextualTyping2.types
+++ b/tests/baselines/reference/taggedTemplateContextualTyping2.types
@@ -39,7 +39,7 @@ function tempTag2(...rest: any[]): any {
 tempTag2 `${ x => { x<number>(undefined); return x; }         }${ 0 }`;
 >tempTag2 `${ x => { x<number>(undefined); return x; }         }${ 0 }` : number
 >tempTag2 : { (templateStrs: TemplateStringsArray, f: FuncType1, x: number): number; (templateStrs: TemplateStringsArray, f: FuncType2, h: FuncType2, x: string): string; }
->`${ x => { x<number>(undefined); return x; }         }${ 0 }` : string
+>`${ x => { x<number>(undefined); return x; }         }${ 0 }` : `${string}0`
 >x => { x<number>(undefined); return x; } : (x: <T>(p: T) => T) => <T>(p: T) => T
 >x : <T>(p: T) => T
 >x<number>(undefined) : number
@@ -51,7 +51,7 @@ tempTag2 `${ x => { x<number>(undefined); return x; }         }${ 0 }`;
 tempTag2 `${ x => { x<number, string>(undefined); return x; } }${ y => { y<string, number>(null); return y; } }${ "hello" }`;
 >tempTag2 `${ x => { x<number, string>(undefined); return x; } }${ y => { y<string, number>(null); return y; } }${ "hello" }` : string
 >tempTag2 : { (templateStrs: TemplateStringsArray, f: FuncType1, x: number): number; (templateStrs: TemplateStringsArray, f: FuncType2, h: FuncType2, x: string): string; }
->`${ x => { x<number, string>(undefined); return x; } }${ y => { y<string, number>(null); return y; } }${ "hello" }` : string
+>`${ x => { x<number, string>(undefined); return x; } }${ y => { y<string, number>(null); return y; } }${ "hello" }` : `${string}${string}hello`
 >x => { x<number, string>(undefined); return x; } : (x: <S, T>(p: T) => T) => <S, T>(p: T) => T
 >x : <S, T>(p: T) => T
 >x<number, string>(undefined) : string
@@ -69,7 +69,7 @@ tempTag2 `${ x => { x<number, string>(undefined); return x; } }${ y => { y<strin
 tempTag2 `${ x => { x<number, string>(undefined); return x; } }${ undefined }${ "hello" }`;
 >tempTag2 `${ x => { x<number, string>(undefined); return x; } }${ undefined }${ "hello" }` : string
 >tempTag2 : { (templateStrs: TemplateStringsArray, f: FuncType1, x: number): number; (templateStrs: TemplateStringsArray, f: FuncType2, h: FuncType2, x: string): string; }
->`${ x => { x<number, string>(undefined); return x; } }${ undefined }${ "hello" }` : string
+>`${ x => { x<number, string>(undefined); return x; } }${ undefined }${ "hello" }` : `${string}undefinedhello`
 >x => { x<number, string>(undefined); return x; } : (x: <S, T>(p: T) => T) => <S, T>(p: T) => T
 >x : <S, T>(p: T) => T
 >x<number, string>(undefined) : string
diff --git a/tests/baselines/reference/taggedTemplateStringsHexadecimalEscapes.types b/tests/baselines/reference/taggedTemplateStringsHexadecimalEscapes.types
index e42bf52c005d4..ee58cfcd1db69 100644
--- a/tests/baselines/reference/taggedTemplateStringsHexadecimalEscapes.types
+++ b/tests/baselines/reference/taggedTemplateStringsHexadecimalEscapes.types
@@ -7,6 +7,6 @@ function f(...args: any[]) {
 f `\x0D${ "Interrupted CRLF" }\x0A`;
 >f `\x0D${ "Interrupted CRLF" }\x0A` : void
 >f : (...args: any[]) => void
->`\x0D${ "Interrupted CRLF" }\x0A` : string
+>`\x0D${ "Interrupted CRLF" }\x0A` : "\rInterrupted CRLF\n"
 >"Interrupted CRLF" : "Interrupted CRLF"
 
diff --git a/tests/baselines/reference/taggedTemplateStringsHexadecimalEscapesES6.types b/tests/baselines/reference/taggedTemplateStringsHexadecimalEscapesES6.types
index 1b5fefe9c9ee0..256d9d06b473d 100644
--- a/tests/baselines/reference/taggedTemplateStringsHexadecimalEscapesES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsHexadecimalEscapesES6.types
@@ -7,6 +7,6 @@ function f(...args: any[]) {
 f `\x0D${ "Interrupted CRLF" }\x0A`;
 >f `\x0D${ "Interrupted CRLF" }\x0A` : void
 >f : (...args: any[]) => void
->`\x0D${ "Interrupted CRLF" }\x0A` : string
+>`\x0D${ "Interrupted CRLF" }\x0A` : "\rInterrupted CRLF\n"
 >"Interrupted CRLF" : "Interrupted CRLF"
 
diff --git a/tests/baselines/reference/taggedTemplateStringsPlainCharactersThatArePartsOfEscapes02.types b/tests/baselines/reference/taggedTemplateStringsPlainCharactersThatArePartsOfEscapes02.types
index d4b77f95c4fe8..32efe026183b4 100644
--- a/tests/baselines/reference/taggedTemplateStringsPlainCharactersThatArePartsOfEscapes02.types
+++ b/tests/baselines/reference/taggedTemplateStringsPlainCharactersThatArePartsOfEscapes02.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/taggedTemplateStringsPlainCharactersThatArePartsOfEscapes02.ts ===
 `0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n`
->`0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n` : string
+>`0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n` : "0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2028 2029 0085 t v f b r n"
 >" " : " "
 >" " : " "
 >" " : " "
diff --git a/tests/baselines/reference/taggedTemplateStringsPlainCharactersThatArePartsOfEscapes02_ES6.types b/tests/baselines/reference/taggedTemplateStringsPlainCharactersThatArePartsOfEscapes02_ES6.types
index dc6455c17a917..b75054d77d147 100644
--- a/tests/baselines/reference/taggedTemplateStringsPlainCharactersThatArePartsOfEscapes02_ES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsPlainCharactersThatArePartsOfEscapes02_ES6.types
@@ -8,7 +8,7 @@ function f(...x: any[]) {
 f `0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n`
 >f `0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n` : void
 >f : (...x: any[]) => void
->`0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n` : string
+>`0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n` : "0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2028 2029 0085 t v f b r n"
 >" " : " "
 >" " : " "
 >" " : " "
diff --git a/tests/baselines/reference/taggedTemplateStringsTypeArgumentInference.types b/tests/baselines/reference/taggedTemplateStringsTypeArgumentInference.types
index 114b37d1cf2e2..91462bef19b72 100644
--- a/tests/baselines/reference/taggedTemplateStringsTypeArgumentInference.types
+++ b/tests/baselines/reference/taggedTemplateStringsTypeArgumentInference.types
@@ -28,7 +28,7 @@ function someGenerics1a<T, U>(n: T, m: number) { }
 someGenerics1a `${3}`;
 >someGenerics1a `${3}` : void
 >someGenerics1a : <T, U>(n: T, m: number) => void
->`${3}` : string
+>`${3}` : "3"
 >3 : 3
 
 function someGenerics1b<T, U>(n: TemplateStringsArray, m: U) { }
@@ -39,7 +39,7 @@ function someGenerics1b<T, U>(n: TemplateStringsArray, m: U) { }
 someGenerics1b `${3}`;
 >someGenerics1b `${3}` : void
 >someGenerics1b : <T, U>(n: TemplateStringsArray, m: U) => void
->`${3}` : string
+>`${3}` : "3"
 >3 : 3
 
 // Generic tag with argument of function type whose parameter is of type parameter type
@@ -111,7 +111,7 @@ function someGenerics4<T, U>(strs: TemplateStringsArray, n: T, f: (x: U) => void
 someGenerics4 `${4}${ () => null }`;
 >someGenerics4 `${4}${ () => null }` : void
 >someGenerics4 : <T, U>(strs: TemplateStringsArray, n: T, f: (x: U) => void) => void
->`${4}${ () => null }` : string
+>`${4}${ () => null }` : `4${string}`
 >4 : 4
 >() => null : () => any
 >null : null
@@ -127,7 +127,7 @@ someGenerics4 `${''}${ () => 3 }`;
 someGenerics4 `${ null }${ null }`;
 >someGenerics4 `${ null }${ null }` : void
 >someGenerics4 : <T, U>(strs: TemplateStringsArray, n: T, f: (x: U) => void) => void
->`${ null }${ null }` : string
+>`${ null }${ null }` : "nullnull"
 >null : null
 >null : null
 
@@ -142,7 +142,7 @@ function someGenerics5<U, T>(strs: TemplateStringsArray, n: T, f: (x: U) => void
 someGenerics5 `${ 4 } ${ () => null }`;
 >someGenerics5 `${ 4 } ${ () => null }` : void
 >someGenerics5 : <U, T>(strs: TemplateStringsArray, n: T, f: (x: U) => void) => void
->`${ 4 } ${ () => null }` : string
+>`${ 4 } ${ () => null }` : `4 ${string}`
 >4 : 4
 >() => null : () => any
 >null : null
@@ -158,7 +158,7 @@ someGenerics5 `${ '' }${ () => 3 }`;
 someGenerics5 `${null}${null}`;
 >someGenerics5 `${null}${null}` : void
 >someGenerics5 : <U, T>(strs: TemplateStringsArray, n: T, f: (x: U) => void) => void
->`${null}${null}` : string
+>`${null}${null}` : "nullnull"
 >null : null
 >null : null
 
@@ -285,7 +285,7 @@ var x = someGenerics8 `${ someGenerics7 }`;
 x `${null}${null}${null}`;
 >x `${null}${null}${null}` : void
 >x : <A, B, C>(strs: TemplateStringsArray, a: (a: A) => A, b: (b: B) => B, c: (c: C) => C) => void
->`${null}${null}${null}` : string
+>`${null}${null}${null}` : "nullnullnull"
 >null : null
 >null : null
 >null : null
@@ -305,7 +305,7 @@ var a9a = someGenerics9 `${ '' }${ 0 }${ [] }`;
 >a9a : string
 >someGenerics9 `${ '' }${ 0 }${ [] }` : ""
 >someGenerics9 : <T>(strs: TemplateStringsArray, a: T, b: T, c: T) => T
->`${ '' }${ 0 }${ [] }` : string
+>`${ '' }${ 0 }${ [] }` : `0${string}`
 >'' : ""
 >0 : 0
 >[] : undefined[]
@@ -333,7 +333,7 @@ var a9e = someGenerics9 `${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y:
 >a9e : { x: number; z: Date; y?: undefined; } | { x: number; y: string; z?: undefined; }
 >someGenerics9 `${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }` : { x: number; z: Date; y?: undefined; } | { x: number; y: string; z?: undefined; }
 >someGenerics9 : <T>(strs: TemplateStringsArray, a: T, b: T, c: T) => T
->`${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }` : string
+>`${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }` : `undefined${string}${string}`
 >undefined : undefined
 >{ x: 6, z: new Date() } : { x: number; z: Date; }
 >x : number
@@ -378,7 +378,7 @@ var a = someGenerics9 `${ 7 }${ anyVar }${ 4 }`;
 >a : any
 >someGenerics9 `${ 7 }${ anyVar }${ 4 }` : any
 >someGenerics9 : <T>(strs: TemplateStringsArray, a: T, b: T, c: T) => T
->`${ 7 }${ anyVar }${ 4 }` : string
+>`${ 7 }${ anyVar }${ 4 }` : `7${any}4`
 >7 : 7
 >anyVar : any
 >4 : 4
@@ -391,7 +391,7 @@ var arr = someGenerics9 `${ [] }${ null }${ undefined }`;
 >arr : any[]
 >someGenerics9 `${ [] }${ null }${ undefined }` : any[]
 >someGenerics9 : <T>(strs: TemplateStringsArray, a: T, b: T, c: T) => T
->`${ [] }${ null }${ undefined }` : string
+>`${ [] }${ null }${ undefined }` : `${string}nullundefined`
 >[] : undefined[]
 >null : null
 >undefined : undefined
diff --git a/tests/baselines/reference/taggedTemplateStringsTypeArgumentInferenceES6.types b/tests/baselines/reference/taggedTemplateStringsTypeArgumentInferenceES6.types
index 1953bde609932..c0a42cb12b6d7 100644
--- a/tests/baselines/reference/taggedTemplateStringsTypeArgumentInferenceES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsTypeArgumentInferenceES6.types
@@ -28,7 +28,7 @@ function someGenerics1a<T, U>(n: T, m: number) { }
 someGenerics1a `${3}`;
 >someGenerics1a `${3}` : void
 >someGenerics1a : <T, U>(n: T, m: number) => void
->`${3}` : string
+>`${3}` : "3"
 >3 : 3
 
 function someGenerics1b<T, U>(n: TemplateStringsArray, m: U) { }
@@ -39,7 +39,7 @@ function someGenerics1b<T, U>(n: TemplateStringsArray, m: U) { }
 someGenerics1b `${3}`;
 >someGenerics1b `${3}` : void
 >someGenerics1b : <T, U>(n: TemplateStringsArray, m: U) => void
->`${3}` : string
+>`${3}` : "3"
 >3 : 3
 
 // Generic tag with argument of function type whose parameter is of type parameter type
@@ -111,7 +111,7 @@ function someGenerics4<T, U>(strs: TemplateStringsArray, n: T, f: (x: U) => void
 someGenerics4 `${4}${ () => null }`;
 >someGenerics4 `${4}${ () => null }` : void
 >someGenerics4 : <T, U>(strs: TemplateStringsArray, n: T, f: (x: U) => void) => void
->`${4}${ () => null }` : string
+>`${4}${ () => null }` : `4${string}`
 >4 : 4
 >() => null : () => any
 >null : null
@@ -127,7 +127,7 @@ someGenerics4 `${''}${ () => 3 }`;
 someGenerics4 `${ null }${ null }`;
 >someGenerics4 `${ null }${ null }` : void
 >someGenerics4 : <T, U>(strs: TemplateStringsArray, n: T, f: (x: U) => void) => void
->`${ null }${ null }` : string
+>`${ null }${ null }` : "nullnull"
 >null : null
 >null : null
 
@@ -142,7 +142,7 @@ function someGenerics5<U, T>(strs: TemplateStringsArray, n: T, f: (x: U) => void
 someGenerics5 `${ 4 } ${ () => null }`;
 >someGenerics5 `${ 4 } ${ () => null }` : void
 >someGenerics5 : <U, T>(strs: TemplateStringsArray, n: T, f: (x: U) => void) => void
->`${ 4 } ${ () => null }` : string
+>`${ 4 } ${ () => null }` : `4 ${string}`
 >4 : 4
 >() => null : () => any
 >null : null
@@ -158,7 +158,7 @@ someGenerics5 `${ '' }${ () => 3 }`;
 someGenerics5 `${null}${null}`;
 >someGenerics5 `${null}${null}` : void
 >someGenerics5 : <U, T>(strs: TemplateStringsArray, n: T, f: (x: U) => void) => void
->`${null}${null}` : string
+>`${null}${null}` : "nullnull"
 >null : null
 >null : null
 
@@ -285,7 +285,7 @@ var x = someGenerics8 `${ someGenerics7 }`;
 x `${null}${null}${null}`;
 >x `${null}${null}${null}` : void
 >x : <A, B, C>(strs: TemplateStringsArray, a: (a: A) => A, b: (b: B) => B, c: (c: C) => C) => void
->`${null}${null}${null}` : string
+>`${null}${null}${null}` : "nullnullnull"
 >null : null
 >null : null
 >null : null
@@ -305,7 +305,7 @@ var a9a = someGenerics9 `${ '' }${ 0 }${ [] }`;
 >a9a : string
 >someGenerics9 `${ '' }${ 0 }${ [] }` : ""
 >someGenerics9 : <T>(strs: TemplateStringsArray, a: T, b: T, c: T) => T
->`${ '' }${ 0 }${ [] }` : string
+>`${ '' }${ 0 }${ [] }` : `0${string}`
 >'' : ""
 >0 : 0
 >[] : undefined[]
@@ -333,7 +333,7 @@ var a9e = someGenerics9 `${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y:
 >a9e : { x: number; z: Date; y?: undefined; } | { x: number; y: string; z?: undefined; }
 >someGenerics9 `${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }` : { x: number; z: Date; y?: undefined; } | { x: number; y: string; z?: undefined; }
 >someGenerics9 : <T>(strs: TemplateStringsArray, a: T, b: T, c: T) => T
->`${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }` : string
+>`${ undefined }${ { x: 6, z: new Date() } }${ { x: 6, y: '' } }` : `undefined${string}${string}`
 >undefined : undefined
 >{ x: 6, z: new Date() } : { x: number; z: Date; }
 >x : number
@@ -378,7 +378,7 @@ var a = someGenerics9 `${ 7 }${ anyVar }${ 4 }`;
 >a : any
 >someGenerics9 `${ 7 }${ anyVar }${ 4 }` : any
 >someGenerics9 : <T>(strs: TemplateStringsArray, a: T, b: T, c: T) => T
->`${ 7 }${ anyVar }${ 4 }` : string
+>`${ 7 }${ anyVar }${ 4 }` : `7${any}4`
 >7 : 7
 >anyVar : any
 >4 : 4
@@ -391,7 +391,7 @@ var arr = someGenerics9 `${ [] }${ null }${ undefined }`;
 >arr : any[]
 >someGenerics9 `${ [] }${ null }${ undefined }` : any[]
 >someGenerics9 : <T>(strs: TemplateStringsArray, a: T, b: T, c: T) => T
->`${ [] }${ null }${ undefined }` : string
+>`${ [] }${ null }${ undefined }` : `${string}nullundefined`
 >[] : undefined[]
 >null : null
 >undefined : undefined
diff --git a/tests/baselines/reference/taggedTemplateStringsWithCurriedFunction.types b/tests/baselines/reference/taggedTemplateStringsWithCurriedFunction.types
index 9f5543bd030c5..3ee924bd2553b 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithCurriedFunction.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithCurriedFunction.types
@@ -37,7 +37,7 @@ f({ ...{ x: 0 } })`x${f}x`;
 >{ x: 0 } : { x: number; }
 >x : number
 >0 : 0
->`x${f}x` : string
+>`x${f}x` : `x${string}x`
 >f : (_: any) => (..._: any[]) => string
 
 f({ ...{ x: 0 }, y: (() => 1)() })``;
diff --git a/tests/baselines/reference/taggedTemplateStringsWithIncompatibleTypedTags.types b/tests/baselines/reference/taggedTemplateStringsWithIncompatibleTypedTags.types
index 1e0acac274aec..aac6a9ef5198a 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithIncompatibleTypedTags.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithIncompatibleTypedTags.types
@@ -32,7 +32,7 @@ f `abc`
 f `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -47,7 +47,7 @@ f `abc${1}def${2}ghi`.member;
 >f `abc${1}def${2}ghi`.member : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >member : I
@@ -63,7 +63,7 @@ f `abc${1}def${2}ghi`["member"];
 >f `abc${1}def${2}ghi`["member"] : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
@@ -77,7 +77,7 @@ f `abc`[0].member `abc${1}def${2}ghi`;
 >`abc` : "abc"
 >0 : 0
 >member : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -87,12 +87,12 @@ f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi`["member"] : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
 >member : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -102,12 +102,12 @@ f `abc${ true }def${ true }ghi`["member"].member `abc${ 1 }def${ 2 }ghi`;
 >f `abc${ true }def${ true }ghi`["member"] : I
 >f `abc${ true }def${ true }ghi` : I
 >f : I
->`abc${ true }def${ true }ghi` : string
+>`abc${ true }def${ true }ghi` : "abctruedeftrueghi"
 >true : true
 >true : true
 >"member" : "member"
 >member : I
->`abc${ 1 }def${ 2 }ghi` : string
+>`abc${ 1 }def${ 2 }ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -123,7 +123,7 @@ f.thisIsNotATag(`abc${1}def${2}ghi`);
 >f.thisIsNotATag : (x: string) => void
 >f : I
 >thisIsNotATag : (x: string) => void
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithIncompatibleTypedTagsES6.types b/tests/baselines/reference/taggedTemplateStringsWithIncompatibleTypedTagsES6.types
index 39993e1367b6f..e1790c8933e05 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithIncompatibleTypedTagsES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithIncompatibleTypedTagsES6.types
@@ -32,7 +32,7 @@ f `abc`
 f `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -47,7 +47,7 @@ f `abc${1}def${2}ghi`.member;
 >f `abc${1}def${2}ghi`.member : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >member : I
@@ -63,7 +63,7 @@ f `abc${1}def${2}ghi`["member"];
 >f `abc${1}def${2}ghi`["member"] : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
@@ -77,7 +77,7 @@ f `abc`[0].member `abc${1}def${2}ghi`;
 >`abc` : "abc"
 >0 : 0
 >member : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -87,12 +87,12 @@ f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi`["member"] : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
 >member : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -102,12 +102,12 @@ f `abc${ true }def${ true }ghi`["member"].member `abc${ 1 }def${ 2 }ghi`;
 >f `abc${ true }def${ true }ghi`["member"] : I
 >f `abc${ true }def${ true }ghi` : I
 >f : I
->`abc${ true }def${ true }ghi` : string
+>`abc${ true }def${ true }ghi` : "abctruedeftrueghi"
 >true : true
 >true : true
 >"member" : "member"
 >member : I
->`abc${ 1 }def${ 2 }ghi` : string
+>`abc${ 1 }def${ 2 }ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -123,7 +123,7 @@ f.thisIsNotATag(`abc${1}def${2}ghi`);
 >f.thisIsNotATag : (x: string) => void
 >f : I
 >thisIsNotATag : (x: string) => void
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithManyCallAndMemberExpressions.types b/tests/baselines/reference/taggedTemplateStringsWithManyCallAndMemberExpressions.types
index 7049ed1cbb746..4fa74ad2d2bb2 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithManyCallAndMemberExpressions.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithManyCallAndMemberExpressions.types
@@ -30,7 +30,7 @@ var x = new new new f `abc${ 0 }def`.member("hello")(42) === true;
 >f `abc${ 0 }def`.member : new (s: string) => new (n: number) => new () => boolean
 >f `abc${ 0 }def` : I
 >f : I
->`abc${ 0 }def` : string
+>`abc${ 0 }def` : "abc0def"
 >0 : 0
 >member : new (s: string) => new (n: number) => new () => boolean
 >"hello" : "hello"
diff --git a/tests/baselines/reference/taggedTemplateStringsWithManyCallAndMemberExpressionsES6.types b/tests/baselines/reference/taggedTemplateStringsWithManyCallAndMemberExpressionsES6.types
index 365e824c76b08..b953073a17ab4 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithManyCallAndMemberExpressionsES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithManyCallAndMemberExpressionsES6.types
@@ -30,7 +30,7 @@ var x = new new new f `abc${ 0 }def`.member("hello")(42) === true;
 >f `abc${ 0 }def`.member : new (s: string) => new (n: number) => new () => boolean
 >f `abc${ 0 }def` : I
 >f : I
->`abc${ 0 }def` : string
+>`abc${ 0 }def` : "abc0def"
 >0 : 0
 >member : new (s: string) => new (n: number) => new () => boolean
 >"hello" : "hello"
diff --git a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution1.types b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution1.types
index e809c1c274578..a051231230175 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution1.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution1.types
@@ -84,14 +84,14 @@ var v = foo `${1}`;          // string
 >v : string
 >foo `${1}` : string
 >foo : { (strs: TemplateStringsArray): number; (strs: TemplateStringsArray, x: number): string; (strs: TemplateStringsArray, x: number, y: number): boolean; (strs: TemplateStringsArray, x: number, y: string): {}; }
->`${1}` : string
+>`${1}` : "1"
 >1 : 1
 
 var w = foo `${1}${2}`;      // boolean
 >w : boolean
 >foo `${1}${2}` : boolean
 >foo : { (strs: TemplateStringsArray): number; (strs: TemplateStringsArray, x: number): string; (strs: TemplateStringsArray, x: number, y: number): boolean; (strs: TemplateStringsArray, x: number, y: string): {}; }
->`${1}${2}` : string
+>`${1}${2}` : "12"
 >1 : 1
 >2 : 2
 
@@ -99,7 +99,7 @@ var x = foo `${1}${true}`;   // boolean (with error)
 >x : never
 >foo `${1}${true}` : never
 >foo : { (strs: TemplateStringsArray): number; (strs: TemplateStringsArray, x: number): string; (strs: TemplateStringsArray, x: number, y: number): boolean; (strs: TemplateStringsArray, x: number, y: string): {}; }
->`${1}${true}` : string
+>`${1}${true}` : "1true"
 >1 : 1
 >true : true
 
@@ -107,7 +107,7 @@ var y = foo `${1}${"2"}`;    // {}
 >y : {}
 >foo `${1}${"2"}` : {}
 >foo : { (strs: TemplateStringsArray): number; (strs: TemplateStringsArray, x: number): string; (strs: TemplateStringsArray, x: number, y: number): boolean; (strs: TemplateStringsArray, x: number, y: string): {}; }
->`${1}${"2"}` : string
+>`${1}${"2"}` : "12"
 >1 : 1
 >"2" : "2"
 
@@ -115,7 +115,7 @@ var z = foo `${1}${2}${3}`;  // any (with error)
 >z : never
 >foo `${1}${2}${3}` : never
 >foo : { (strs: TemplateStringsArray): number; (strs: TemplateStringsArray, x: number): string; (strs: TemplateStringsArray, x: number, y: number): boolean; (strs: TemplateStringsArray, x: number, y: string): {}; }
->`${1}${2}${3}` : string
+>`${1}${2}${3}` : "123"
 >1 : 1
 >2 : 2
 >3 : 3
diff --git a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution1_ES6.types b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution1_ES6.types
index d9cb80eb05c80..1f84f29a2ee96 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution1_ES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution1_ES6.types
@@ -84,14 +84,14 @@ var v = foo `${1}`;          // string
 >v : string
 >foo `${1}` : string
 >foo : { (strs: TemplateStringsArray): number; (strs: TemplateStringsArray, x: number): string; (strs: TemplateStringsArray, x: number, y: number): boolean; (strs: TemplateStringsArray, x: number, y: string): {}; }
->`${1}` : string
+>`${1}` : "1"
 >1 : 1
 
 var w = foo `${1}${2}`;      // boolean
 >w : boolean
 >foo `${1}${2}` : boolean
 >foo : { (strs: TemplateStringsArray): number; (strs: TemplateStringsArray, x: number): string; (strs: TemplateStringsArray, x: number, y: number): boolean; (strs: TemplateStringsArray, x: number, y: string): {}; }
->`${1}${2}` : string
+>`${1}${2}` : "12"
 >1 : 1
 >2 : 2
 
@@ -99,7 +99,7 @@ var x = foo `${1}${true}`;   // boolean (with error)
 >x : never
 >foo `${1}${true}` : never
 >foo : { (strs: TemplateStringsArray): number; (strs: TemplateStringsArray, x: number): string; (strs: TemplateStringsArray, x: number, y: number): boolean; (strs: TemplateStringsArray, x: number, y: string): {}; }
->`${1}${true}` : string
+>`${1}${true}` : "1true"
 >1 : 1
 >true : true
 
@@ -107,7 +107,7 @@ var y = foo `${1}${"2"}`;    // {}
 >y : {}
 >foo `${1}${"2"}` : {}
 >foo : { (strs: TemplateStringsArray): number; (strs: TemplateStringsArray, x: number): string; (strs: TemplateStringsArray, x: number, y: number): boolean; (strs: TemplateStringsArray, x: number, y: string): {}; }
->`${1}${"2"}` : string
+>`${1}${"2"}` : "12"
 >1 : 1
 >"2" : "2"
 
@@ -115,7 +115,7 @@ var z = foo `${1}${2}${3}`;  // any (with error)
 >z : never
 >foo `${1}${2}${3}` : never
 >foo : { (strs: TemplateStringsArray): number; (strs: TemplateStringsArray, x: number): string; (strs: TemplateStringsArray, x: number, y: number): boolean; (strs: TemplateStringsArray, x: number, y: string): {}; }
->`${1}${2}${3}` : string
+>`${1}${2}${3}` : "123"
 >1 : 1
 >2 : 2
 >3 : 3
diff --git a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution2.types b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution2.types
index d9bac7879d94d..1bfdf77919a84 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution2.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution2.types
@@ -21,7 +21,7 @@ var a = foo1 `${1}`;
 >a : string
 >foo1 `${1}` : string
 >foo1 : { (strs: TemplateStringsArray, x: number): string; (strs: string[], x: number): number; }
->`${1}` : string
+>`${1}` : "1"
 >1 : 1
 
 var b = foo1([], 1);
@@ -53,7 +53,7 @@ var c = foo2 `${1}`;
 >c : string
 >foo2 `${1}` : string
 >foo2 : { (strs: string[], x: number): number; (strs: TemplateStringsArray, x: number): string; }
->`${1}` : string
+>`${1}` : "1"
 >1 : 1
 
 var d = foo2([], 1);
diff --git a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution2_ES6.types b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution2_ES6.types
index 68180a23d8f5f..4ae8b4ac37e98 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution2_ES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution2_ES6.types
@@ -21,7 +21,7 @@ var a = foo1 `${1}`;
 >a : string
 >foo1 `${1}` : string
 >foo1 : { (strs: TemplateStringsArray, x: number): string; (strs: string[], x: number): number; }
->`${1}` : string
+>`${1}` : "1"
 >1 : 1
 
 var b = foo1([], 1);
@@ -53,7 +53,7 @@ var c = foo2 `${1}`;
 >c : string
 >foo2 `${1}` : string
 >foo2 : { (strs: string[], x: number): number; (strs: TemplateStringsArray, x: number): string; }
->`${1}` : string
+>`${1}` : "1"
 >1 : 1
 
 var d = foo2([], 1);
diff --git a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution3.types b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution3.types
index 138b2a162da61..44fa1ad821ec9 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution3.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution3.types
@@ -18,7 +18,7 @@ var s: string = fn1 `${ undefined }`;
 >s : string
 >fn1 `${ undefined }` : string
 >fn1 : { (strs: TemplateStringsArray, s: string): string; (strs: TemplateStringsArray, n: number): number; }
->`${ undefined }` : string
+>`${ undefined }` : "undefined"
 >undefined : undefined
 
 // No candidate overloads found
@@ -48,7 +48,7 @@ var d1: Date = fn2 `${ 0 }${ undefined }`; // contextually typed
 >d1 : Date
 >fn2 `${ 0 }${ undefined }` : any
 >fn2 : { (strs: TemplateStringsArray, s: string, n: number): number; <T>(strs: TemplateStringsArray, n: number, t: T): T; }
->`${ 0 }${ undefined }` : string
+>`${ 0 }${ undefined }` : "0undefined"
 >0 : 0
 >undefined : undefined
 
@@ -56,7 +56,7 @@ var d2       = fn2 `${ 0 }${ undefined }`; // any
 >d2 : any
 >fn2 `${ 0 }${ undefined }` : any
 >fn2 : { (strs: TemplateStringsArray, s: string, n: number): number; <T>(strs: TemplateStringsArray, n: number, t: T): T; }
->`${ 0 }${ undefined }` : string
+>`${ 0 }${ undefined }` : "0undefined"
 >0 : 0
 >undefined : undefined
 
@@ -74,7 +74,7 @@ d2();     // no error (typed as any)
 fn2 `${ 0 }${ '' }`; // OK
 >fn2 `${ 0 }${ '' }` : ""
 >fn2 : { (strs: TemplateStringsArray, s: string, n: number): number; <T>(strs: TemplateStringsArray, n: number, t: T): T; }
->`${ 0 }${ '' }` : string
+>`${ 0 }${ '' }` : "0"
 >0 : 0
 >'' : ""
 
@@ -82,7 +82,7 @@ fn2 `${ 0 }${ '' }`; // OK
 fn2 `${ '' }${ 0 }`; // OK
 >fn2 `${ '' }${ 0 }` : number
 >fn2 : { (strs: TemplateStringsArray, s: string, n: number): number; <T>(strs: TemplateStringsArray, n: number, t: T): T; }
->`${ '' }${ 0 }` : string
+>`${ '' }${ 0 }` : "0"
 >'' : ""
 >0 : 0
 
@@ -114,14 +114,14 @@ var s = fn3 `${ 3 }`;
 >s : string
 >fn3 `${ 3 }` : string
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var s = fn3 `${'' }${ 3 }${ '' }`;
 >s : string
 >fn3 `${'' }${ 3 }${ '' }` : ""
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${'' }${ 3 }${ '' }` : string
+>`${'' }${ 3 }${ '' }` : "3"
 >'' : ""
 >3 : 3
 >'' : ""
@@ -130,7 +130,7 @@ var n = fn3 `${ 5 }${ 5 }${ 5 }`;
 >n : number
 >fn3 `${ 5 }${ 5 }${ 5 }` : number
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${ 5 }${ 5 }${ 5 }` : string
+>`${ 5 }${ 5 }${ 5 }` : "555"
 >5 : 5
 >5 : 5
 >5 : 5
@@ -143,14 +143,14 @@ var s = fn3 `${ 4 }`
 >s : string
 >fn3 `${ 4 }` : string
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${ 4 }` : string
+>`${ 4 }` : "4"
 >4 : 4
 
 var s = fn3 `${ '' }${ '' }${ '' }`;
 >s : string
 >fn3 `${ '' }${ '' }${ '' }` : ""
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${ '' }${ '' }${ '' }` : string
+>`${ '' }${ '' }${ '' }` : ""
 >'' : ""
 >'' : ""
 >'' : ""
@@ -159,7 +159,7 @@ var n = fn3 `${ '' }${ '' }${ 3 }`;
 >n : number
 >fn3 `${ '' }${ '' }${ 3 }` : 3
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${ '' }${ '' }${ 3 }` : string
+>`${ '' }${ '' }${ 3 }` : "3"
 >'' : ""
 >'' : ""
 >3 : 3
@@ -194,28 +194,28 @@ function fn4() { }
 fn4 `${ '' }${ 3  }`;
 >fn4 `${ '' }${ 3  }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ '' }${ 3  }` : string
+>`${ '' }${ 3  }` : "3"
 >'' : ""
 >3 : 3
 
 fn4 `${ 3  }${ '' }`;
 >fn4 `${ 3  }${ '' }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ 3  }${ '' }` : string
+>`${ 3  }${ '' }` : "3"
 >3 : 3
 >'' : ""
 
 fn4 `${ 3  }${ undefined }`;
 >fn4 `${ 3  }${ undefined }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ 3  }${ undefined }` : string
+>`${ 3  }${ undefined }` : "3undefined"
 >3 : 3
 >undefined : undefined
 
 fn4 `${ '' }${ null }`;
 >fn4 `${ '' }${ null }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ '' }${ null }` : string
+>`${ '' }${ null }` : "null"
 >'' : ""
 >null : null
 
@@ -223,7 +223,7 @@ fn4 `${ '' }${ null }`;
 fn4 `${ null }${ null }`; // Error
 >fn4 `${ null }${ null }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ null }${ null }` : string
+>`${ null }${ null }` : "nullnull"
 >null : null
 >null : null
 
@@ -231,14 +231,14 @@ fn4 `${ null }${ null }`; // Error
 fn4 `${ true }${ null }`;
 >fn4 `${ true }${ null }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ true }${ null }` : string
+>`${ true }${ null }` : "truenull"
 >true : true
 >null : null
 
 fn4 `${ null }${ true }`;
 >fn4 `${ null }${ true }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ null }${ true }` : string
+>`${ null }${ true }` : "nulltrue"
 >null : null
 >true : true
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution3_ES6.types b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution3_ES6.types
index 57d82e034ae04..61426f6353056 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution3_ES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithOverloadResolution3_ES6.types
@@ -18,7 +18,7 @@ var s: string = fn1 `${ undefined }`;
 >s : string
 >fn1 `${ undefined }` : string
 >fn1 : { (strs: TemplateStringsArray, s: string): string; (strs: TemplateStringsArray, n: number): number; }
->`${ undefined }` : string
+>`${ undefined }` : "undefined"
 >undefined : undefined
 
 // No candidate overloads found
@@ -48,7 +48,7 @@ var d1: Date = fn2 `${ 0 }${ undefined }`; // contextually typed
 >d1 : Date
 >fn2 `${ 0 }${ undefined }` : any
 >fn2 : { (strs: TemplateStringsArray, s: string, n: number): number; <T>(strs: TemplateStringsArray, n: number, t: T): T; }
->`${ 0 }${ undefined }` : string
+>`${ 0 }${ undefined }` : "0undefined"
 >0 : 0
 >undefined : undefined
 
@@ -56,7 +56,7 @@ var d2 = fn2 `${ 0 }${ undefined }`; // any
 >d2 : any
 >fn2 `${ 0 }${ undefined }` : any
 >fn2 : { (strs: TemplateStringsArray, s: string, n: number): number; <T>(strs: TemplateStringsArray, n: number, t: T): T; }
->`${ 0 }${ undefined }` : string
+>`${ 0 }${ undefined }` : "0undefined"
 >0 : 0
 >undefined : undefined
 
@@ -74,7 +74,7 @@ d2();     // no error (typed as any)
 fn2 `${ 0 }${ '' }`; // OK
 >fn2 `${ 0 }${ '' }` : ""
 >fn2 : { (strs: TemplateStringsArray, s: string, n: number): number; <T>(strs: TemplateStringsArray, n: number, t: T): T; }
->`${ 0 }${ '' }` : string
+>`${ 0 }${ '' }` : "0"
 >0 : 0
 >'' : ""
 
@@ -82,7 +82,7 @@ fn2 `${ 0 }${ '' }`; // OK
 fn2 `${ '' }${ 0 }`; // OK
 >fn2 `${ '' }${ 0 }` : number
 >fn2 : { (strs: TemplateStringsArray, s: string, n: number): number; <T>(strs: TemplateStringsArray, n: number, t: T): T; }
->`${ '' }${ 0 }` : string
+>`${ '' }${ 0 }` : "0"
 >'' : ""
 >0 : 0
 
@@ -114,14 +114,14 @@ var s = fn3 `${ 3 }`;
 >s : string
 >fn3 `${ 3 }` : string
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var s = fn3 `${'' }${ 3 }${ '' }`;
 >s : string
 >fn3 `${'' }${ 3 }${ '' }` : ""
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${'' }${ 3 }${ '' }` : string
+>`${'' }${ 3 }${ '' }` : "3"
 >'' : ""
 >3 : 3
 >'' : ""
@@ -130,7 +130,7 @@ var n = fn3 `${ 5 }${ 5 }${ 5 }`;
 >n : number
 >fn3 `${ 5 }${ 5 }${ 5 }` : number
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${ 5 }${ 5 }${ 5 }` : string
+>`${ 5 }${ 5 }${ 5 }` : "555"
 >5 : 5
 >5 : 5
 >5 : 5
@@ -143,14 +143,14 @@ var s = fn3 `${ 4 }`
 >s : string
 >fn3 `${ 4 }` : string
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${ 4 }` : string
+>`${ 4 }` : "4"
 >4 : 4
 
 var s = fn3 `${ '' }${ '' }${ '' }`;
 >s : string
 >fn3 `${ '' }${ '' }${ '' }` : ""
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${ '' }${ '' }${ '' }` : string
+>`${ '' }${ '' }${ '' }` : ""
 >'' : ""
 >'' : ""
 >'' : ""
@@ -159,7 +159,7 @@ var n = fn3 `${ '' }${ '' }${ 3 }`;
 >n : number
 >fn3 `${ '' }${ '' }${ 3 }` : 3
 >fn3 : { <T>(strs: TemplateStringsArray, n: T): string; <T, U>(strs: TemplateStringsArray, s: string, t: T, u: U): U; <T, U, V>(strs: TemplateStringsArray, v: V, u: U, t: T): number; }
->`${ '' }${ '' }${ 3 }` : string
+>`${ '' }${ '' }${ 3 }` : "3"
 >'' : ""
 >'' : ""
 >3 : 3
@@ -194,28 +194,28 @@ function fn4() { }
 fn4 `${ '' }${ 3  }`;
 >fn4 `${ '' }${ 3  }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ '' }${ 3  }` : string
+>`${ '' }${ 3  }` : "3"
 >'' : ""
 >3 : 3
 
 fn4 `${ 3  }${ '' }`;
 >fn4 `${ 3  }${ '' }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ 3  }${ '' }` : string
+>`${ 3  }${ '' }` : "3"
 >3 : 3
 >'' : ""
 
 fn4 `${ 3  }${ undefined }`;
 >fn4 `${ 3  }${ undefined }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ 3  }${ undefined }` : string
+>`${ 3  }${ undefined }` : "3undefined"
 >3 : 3
 >undefined : undefined
 
 fn4 `${ '' }${ null }`;
 >fn4 `${ '' }${ null }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ '' }${ null }` : string
+>`${ '' }${ null }` : "null"
 >'' : ""
 >null : null
 
@@ -223,7 +223,7 @@ fn4 `${ '' }${ null }`;
 fn4 `${ null }${ null }`; // Error
 >fn4 `${ null }${ null }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ null }${ null }` : string
+>`${ null }${ null }` : "nullnull"
 >null : null
 >null : null
 
@@ -231,14 +231,14 @@ fn4 `${ null }${ null }`; // Error
 fn4 `${ true }${ null }`;
 >fn4 `${ true }${ null }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ true }${ null }` : string
+>`${ true }${ null }` : "truenull"
 >true : true
 >null : null
 
 fn4 `${ null }${ true }`;
 >fn4 `${ null }${ true }` : any
 >fn4 : { <T extends string, U extends number>(strs: TemplateStringsArray, n: T, m: U): any; <T extends number, U extends string>(strs: TemplateStringsArray, n: T, m: U): any; (strs: TemplateStringsArray): any; }
->`${ null }${ true }` : string
+>`${ null }${ true }` : "nulltrue"
 >null : null
 >true : true
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithTagNamedDeclare.types b/tests/baselines/reference/taggedTemplateStringsWithTagNamedDeclare.types
index 3d39c883056d8..9d09a445ac6d2 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithTagNamedDeclare.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithTagNamedDeclare.types
@@ -8,6 +8,6 @@ function declare(x: any, ...ys: any[]) {
 declare `Hello ${0} world!`;
 >declare `Hello ${0} world!` : void
 >declare : (x: any, ...ys: any[]) => void
->`Hello ${0} world!` : string
+>`Hello ${0} world!` : "Hello 0 world!"
 >0 : 0
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithTagNamedDeclareES6.types b/tests/baselines/reference/taggedTemplateStringsWithTagNamedDeclareES6.types
index 57309b399ba0d..76163bf33c767 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithTagNamedDeclareES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithTagNamedDeclareES6.types
@@ -8,6 +8,6 @@ function declare(x: any, ...ys: any[]) {
 declare `Hello ${0} world!`;
 >declare `Hello ${0} world!` : void
 >declare : (x: any, ...ys: any[]) => void
->`Hello ${0} world!` : string
+>`Hello ${0} world!` : "Hello 0 world!"
 >0 : 0
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithTagsTypedAsAny.types b/tests/baselines/reference/taggedTemplateStringsWithTagsTypedAsAny.types
index 9bd975bb472ec..da75f4cec414a 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithTagsTypedAsAny.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithTagsTypedAsAny.types
@@ -10,7 +10,7 @@ f `abc`
 f `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi` : any
 >f : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -30,7 +30,7 @@ f.g.h `abc${1}def${2}ghi`;
 >f : any
 >g : any
 >h : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -45,7 +45,7 @@ f `abc${1}def${2}ghi`.member;
 >f `abc${1}def${2}ghi`.member : any
 >f `abc${1}def${2}ghi` : any
 >f : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >member : any
@@ -61,7 +61,7 @@ f `abc${1}def${2}ghi`["member"];
 >f `abc${1}def${2}ghi`["member"] : any
 >f `abc${1}def${2}ghi` : any
 >f : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
@@ -75,7 +75,7 @@ f `abc`["member"].someOtherTag `abc${1}def${2}ghi`;
 >`abc` : "abc"
 >"member" : "member"
 >someOtherTag : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -85,12 +85,12 @@ f `abc${1}def${2}ghi`["member"].someOtherTag `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi`["member"] : any
 >f `abc${1}def${2}ghi` : any
 >f : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
 >someOtherTag : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -106,7 +106,7 @@ f.thisIsNotATag(`abc${1}def${2}ghi`);
 >f.thisIsNotATag : any
 >f : any
 >thisIsNotATag : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithTagsTypedAsAnyES6.types b/tests/baselines/reference/taggedTemplateStringsWithTagsTypedAsAnyES6.types
index 3fde2cd552d42..af4251130db25 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithTagsTypedAsAnyES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithTagsTypedAsAnyES6.types
@@ -10,7 +10,7 @@ f `abc`
 f `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi` : any
 >f : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -30,7 +30,7 @@ f.g.h `abc${1}def${2}ghi`;
 >f : any
 >g : any
 >h : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -45,7 +45,7 @@ f `abc${1}def${2}ghi`.member;
 >f `abc${1}def${2}ghi`.member : any
 >f `abc${1}def${2}ghi` : any
 >f : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >member : any
@@ -61,7 +61,7 @@ f `abc${1}def${2}ghi`["member"];
 >f `abc${1}def${2}ghi`["member"] : any
 >f `abc${1}def${2}ghi` : any
 >f : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
@@ -75,7 +75,7 @@ f `abc`["member"].someOtherTag `abc${1}def${2}ghi`;
 >`abc` : "abc"
 >"member" : "member"
 >someOtherTag : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -85,12 +85,12 @@ f `abc${1}def${2}ghi`["member"].someOtherTag `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi`["member"] : any
 >f `abc${1}def${2}ghi` : any
 >f : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
 >someOtherTag : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -106,7 +106,7 @@ f.thisIsNotATag(`abc${1}def${2}ghi`);
 >f.thisIsNotATag : any
 >f : any
 >thisIsNotATag : any
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithTypedTags.types b/tests/baselines/reference/taggedTemplateStringsWithTypedTags.types
index 2f8b5df162bbf..1c41bcbaed049 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithTypedTags.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithTypedTags.types
@@ -32,7 +32,7 @@ f `abc`
 f `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -47,7 +47,7 @@ f `abc${1}def${2}ghi`.member;
 >f `abc${1}def${2}ghi`.member : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >member : I
@@ -63,7 +63,7 @@ f `abc${1}def${2}ghi`["member"];
 >f `abc${1}def${2}ghi`["member"] : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
@@ -77,7 +77,7 @@ f `abc`[0].member `abc${1}def${2}ghi`;
 >`abc` : "abc"
 >0 : 0
 >member : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -87,12 +87,12 @@ f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi`["member"] : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
 >member : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -108,7 +108,7 @@ f.thisIsNotATag(`abc${1}def${2}ghi`);
 >f.thisIsNotATag : (x: string) => void
 >f : I
 >thisIsNotATag : (x: string) => void
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithTypedTagsES6.types b/tests/baselines/reference/taggedTemplateStringsWithTypedTagsES6.types
index 313a338baf6e9..5bd96e1f154cf 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithTypedTagsES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithTypedTagsES6.types
@@ -32,7 +32,7 @@ f `abc`
 f `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -47,7 +47,7 @@ f `abc${1}def${2}ghi`.member;
 >f `abc${1}def${2}ghi`.member : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >member : I
@@ -63,7 +63,7 @@ f `abc${1}def${2}ghi`["member"];
 >f `abc${1}def${2}ghi`["member"] : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
@@ -77,7 +77,7 @@ f `abc`[0].member `abc${1}def${2}ghi`;
 >`abc` : "abc"
 >0 : 0
 >member : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -87,12 +87,12 @@ f `abc${1}def${2}ghi`["member"].member `abc${1}def${2}ghi`;
 >f `abc${1}def${2}ghi`["member"] : I
 >f `abc${1}def${2}ghi` : I
 >f : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 >"member" : "member"
 >member : I
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
@@ -108,7 +108,7 @@ f.thisIsNotATag(`abc${1}def${2}ghi`);
 >f.thisIsNotATag : (x: string) => void
 >f : I
 >thisIsNotATag : (x: string) => void
->`abc${1}def${2}ghi` : string
+>`abc${1}def${2}ghi` : "abc1def2ghi"
 >1 : 1
 >2 : 2
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithUnicodeEscapes.types b/tests/baselines/reference/taggedTemplateStringsWithUnicodeEscapes.types
index 4b9b447d32a32..18d40b65bc40c 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithUnicodeEscapes.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithUnicodeEscapes.types
@@ -7,6 +7,6 @@ function f(...args: any[]) {
 f `'\u{1f4a9}'${ " should be converted to " }'\uD83D\uDCA9'`;
 >f `'\u{1f4a9}'${ " should be converted to " }'\uD83D\uDCA9'` : void
 >f : (...args: any[]) => void
->`'\u{1f4a9}'${ " should be converted to " }'\uD83D\uDCA9'` : string
+>`'\u{1f4a9}'${ " should be converted to " }'\uD83D\uDCA9'` : "'💩' should be converted to '💩'"
 >" should be converted to " : " should be converted to "
 
diff --git a/tests/baselines/reference/taggedTemplateStringsWithUnicodeEscapesES6.types b/tests/baselines/reference/taggedTemplateStringsWithUnicodeEscapesES6.types
index 36a298c5a38e9..1558663ff7908 100644
--- a/tests/baselines/reference/taggedTemplateStringsWithUnicodeEscapesES6.types
+++ b/tests/baselines/reference/taggedTemplateStringsWithUnicodeEscapesES6.types
@@ -7,6 +7,6 @@ function f(...args: any[]) {
 f `'\u{1f4a9}'${ " should be converted to " }'\uD83D\uDCA9'`;
 >f `'\u{1f4a9}'${ " should be converted to " }'\uD83D\uDCA9'` : void
 >f : (...args: any[]) => void
->`'\u{1f4a9}'${ " should be converted to " }'\uD83D\uDCA9'` : string
+>`'\u{1f4a9}'${ " should be converted to " }'\uD83D\uDCA9'` : "'💩' should be converted to '💩'"
 >" should be converted to " : " should be converted to "
 
diff --git a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions1.types b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions1.types
index 16e40b638aa85..8298380638969 100644
--- a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions1.types
+++ b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions1.types
@@ -10,6 +10,6 @@ function f(x: TemplateStringsArray, y: string, z: string) {
 f `123qdawdrqw${
 >f `123qdawdrqw${ : void
 >f : (x: TemplateStringsArray, y: string, z: string) => void
->`123qdawdrqw${ : string
+>`123qdawdrqw${ : `123qdawdrqw${any}`
 > : any
 
diff --git a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions2.types b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions2.types
index 600d85805ee3b..093c57969e5bc 100644
--- a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions2.types
+++ b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions2.types
@@ -10,7 +10,7 @@ function f(x: TemplateStringsArray, y: string, z: string) {
 f `123qdawdrqw${ }${
 >f `123qdawdrqw${ }${ : void
 >f : (x: TemplateStringsArray, y: string, z: string) => void
->`123qdawdrqw${ }${ : string
+>`123qdawdrqw${ }${ : `123qdawdrqw${any}${any}`
 > : any
 > : any
 
diff --git a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions3.types b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions3.types
index dd512edab241f..84444acf4b4d0 100644
--- a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions3.types
+++ b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions3.types
@@ -10,7 +10,7 @@ function f(x: TemplateStringsArray, y: string, z: string) {
 f `123qdawdrqw${ 1 }${
 >f `123qdawdrqw${ 1 }${ : void
 >f : (x: TemplateStringsArray, y: string, z: string) => void
->`123qdawdrqw${ 1 }${ : string
+>`123qdawdrqw${ 1 }${ : `123qdawdrqw1${any}`
 >1 : 1
 > : any
 
diff --git a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions4.types b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions4.types
index 8fb37587be28d..11431691a72eb 100644
--- a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions4.types
+++ b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions4.types
@@ -10,7 +10,7 @@ function f(x: TemplateStringsArray, y: string, z: string) {
 f `123qdawdrqw${ 1 }${ }${ 
 >f `123qdawdrqw${ 1 }${ }${ : void
 >f : (x: TemplateStringsArray, y: string, z: string) => void
->`123qdawdrqw${ 1 }${ }${ : string
+>`123qdawdrqw${ 1 }${ }${ : `123qdawdrqw1${any}${any}`
 >1 : 1
 > : any
 > : any
diff --git a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions5.types b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions5.types
index b83f6fd5770ed..fbfaf564ae26b 100644
--- a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions5.types
+++ b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions5.types
@@ -10,7 +10,7 @@ function f(x: TemplateStringsArray, y: string, z: string) {
 f `123qdawdrqw${ 1 }${ 2 }${ 
 >f `123qdawdrqw${ 1 }${ 2 }${ : void
 >f : (x: TemplateStringsArray, y: string, z: string) => void
->`123qdawdrqw${ 1 }${ 2 }${ : string
+>`123qdawdrqw${ 1 }${ 2 }${ : `123qdawdrqw12${any}`
 >1 : 1
 >2 : 2
 > : any
diff --git a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions6.types b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions6.types
index 6c73c0e59a093..54c6d5900e54e 100644
--- a/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions6.types
+++ b/tests/baselines/reference/taggedTemplatesWithIncompleteTemplateExpressions6.types
@@ -10,7 +10,7 @@ function f(x: TemplateStringsArray, y: string, z: string) {
 f `123qdawdrqw${ 1 }${
 >f `123qdawdrqw${ 1 }${ : void
 >f : (x: TemplateStringsArray, y: string, z: string) => void
->`123qdawdrqw${ 1 }${ : string
+>`123qdawdrqw${ 1 }${ : `123qdawdrqw1${any}`
 >1 : 1
 > : any
 
diff --git a/tests/baselines/reference/taggedTemplatesWithTypeArguments1.types b/tests/baselines/reference/taggedTemplatesWithTypeArguments1.types
index c2719c22877f7..89e075be990d6 100644
--- a/tests/baselines/reference/taggedTemplatesWithTypeArguments1.types
+++ b/tests/baselines/reference/taggedTemplatesWithTypeArguments1.types
@@ -20,7 +20,14 @@ export const a = f<Stuff> `
 >a : void
 >f<Stuff> `    hello    ${stuff => stuff.x}    brave    ${stuff => stuff.y}    world    ${stuff => stuff.z}` : void
 >f : <T>(strs: TemplateStringsArray, ...callbacks: ((x: T) => any)[]) => void
->`    hello    ${stuff => stuff.x}    brave    ${stuff => stuff.y}    world    ${stuff => stuff.z}` : string
+>`    hello    ${stuff => stuff.x}    brave    ${stuff => stuff.y}    world    ${stuff => stuff.z}` : `
+    hello
+    ${string}
+    brave
+    ${string}
+    world
+    ${string}
+`
 
     hello
     ${stuff => stuff.x}
@@ -66,7 +73,14 @@ export const b = g<Stuff, number, string, boolean> `
 >b : string | number | boolean
 >g<Stuff, number, string, boolean> `    hello    ${stuff => stuff.x}    brave    ${stuff => stuff.y}    world    ${stuff => stuff.z}` : string | number | boolean
 >g : <Input, T, U, V>(strs: TemplateStringsArray, t: (i: Input) => T, u: (i: Input) => U, v: (i: Input) => V) => T | U | V
->`    hello    ${stuff => stuff.x}    brave    ${stuff => stuff.y}    world    ${stuff => stuff.z}` : string
+>`    hello    ${stuff => stuff.x}    brave    ${stuff => stuff.y}    world    ${stuff => stuff.z}` : `
+    hello
+    ${string}
+    brave
+    ${string}
+    world
+    ${string}
+`
 
     hello
     ${stuff => stuff.x}
diff --git a/tests/baselines/reference/taggedTemplatesWithTypeArguments2.types b/tests/baselines/reference/taggedTemplatesWithTypeArguments2.types
index c78719846cf72..3cd64576b349d 100644
--- a/tests/baselines/reference/taggedTemplatesWithTypeArguments2.types
+++ b/tests/baselines/reference/taggedTemplatesWithTypeArguments2.types
@@ -18,7 +18,7 @@ const a = new tag `${100} ${200}`<string>("hello", "world");
 >new tag `${100} ${200}`<string>("hello", "world") : any
 >tag `${100} ${200}` : SomethingNewable
 >tag : SomethingTaggable
->`${100} ${200}` : string
+>`${100} ${200}` : "100 200"
 >100 : 100
 >200 : 200
 >"hello" : "hello"
@@ -29,7 +29,7 @@ const b = new tag<number> `${"hello"} ${"world"}`(100, 200);
 >new tag<number> `${"hello"} ${"world"}`(100, 200) : any
 >tag<number> `${"hello"} ${"world"}` : SomethingNewable
 >tag : SomethingTaggable
->`${"hello"} ${"world"}` : string
+>`${"hello"} ${"world"}` : "hello world"
 >"hello" : "hello"
 >"world" : "world"
 >100 : 100
@@ -41,7 +41,7 @@ const c = new tag<number> `${100} ${200}`<string>("hello", "world");
 >new tag<number> `${100} ${200}` : any
 >tag<number> `${100} ${200}` : SomethingNewable
 >tag : SomethingTaggable
->`${100} ${200}` : string
+>`${100} ${200}` : "100 200"
 >100 : 100
 >200 : 200
 >"hello" : "hello"
@@ -53,7 +53,7 @@ const d = new tag<number> `${"hello"} ${"world"}`<string>(100, 200);
 >new tag<number> `${"hello"} ${"world"}` : any
 >tag<number> `${"hello"} ${"world"}` : SomethingNewable
 >tag : SomethingTaggable
->`${"hello"} ${"world"}` : string
+>`${"hello"} ${"world"}` : "hello world"
 >"hello" : "hello"
 >"world" : "world"
 >100 : 100
diff --git a/tests/baselines/reference/templateLiteralTypes1.types b/tests/baselines/reference/templateLiteralTypes1.types
index 3ab499d448bd1..61429f5de463b 100644
--- a/tests/baselines/reference/templateLiteralTypes1.types
+++ b/tests/baselines/reference/templateLiteralTypes1.types
@@ -8,7 +8,7 @@ const createScopedActionType = <S extends string>(scope: S) => <T extends string
 ><T extends string>(type: T) => `${scope}/${type}` as `${S}/${T}` : <T extends string>(type: T) => `${S}/${T}`
 >type : T
 >`${scope}/${type}` as `${S}/${T}` : `${S}/${T}`
->`${scope}/${type}` : string
+>`${scope}/${type}` : `${S}/${T}`
 >scope : S
 >type : T
 
diff --git a/tests/baselines/reference/templateStringBinaryOperations.types b/tests/baselines/reference/templateStringBinaryOperations.types
index 01d306487ee01..f554657502536 100644
--- a/tests/baselines/reference/templateStringBinaryOperations.types
+++ b/tests/baselines/reference/templateStringBinaryOperations.types
@@ -3,55 +3,55 @@ var a = 1 + `${ 3 }`;
 >a : string
 >1 + `${ 3 }` : string
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var b = 1 + `2${ 3 }`;
 >b : string
 >1 + `2${ 3 }` : string
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 var c = 1 + `${ 3 }4`;
 >c : string
 >1 + `${ 3 }4` : string
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 
 var d = 1 + `2${ 3 }4`;
 >d : string
 >1 + `2${ 3 }4` : string
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 var e = `${ 3 }` + 5;
 >e : string
 >`${ 3 }` + 5 : string
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
 var f = `2${ 3 }` + 5;
 >f : string
 >`2${ 3 }` + 5 : string
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
 var g = `${ 3 }4` + 5;
 >g : string
 >`${ 3 }4` + 5 : string
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
 var h = `2${ 3 }4` + 5;
 >h : string
 >`2${ 3 }4` + 5 : string
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -60,7 +60,7 @@ var i = 1 + `${ 3 }` + 5;
 >1 + `${ 3 }` + 5 : string
 >1 + `${ 3 }` : string
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
@@ -69,7 +69,7 @@ var j = 1 + `2${ 3 }` + 5;
 >1 + `2${ 3 }` + 5 : string
 >1 + `2${ 3 }` : string
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
@@ -78,7 +78,7 @@ var k = 1 + `${ 3 }4` + 5;
 >1 + `${ 3 }4` + 5 : string
 >1 + `${ 3 }4` : string
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
@@ -87,7 +87,7 @@ var l = 1 + `2${ 3 }4` + 5;
 >1 + `2${ 3 }4` + 5 : string
 >1 + `2${ 3 }4` : string
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -95,7 +95,7 @@ var a2 = 1 + `${ 3 - 4 }`;
 >a2 : string
 >1 + `${ 3 - 4 }` : string
 >1 : 1
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -104,7 +104,7 @@ var b2 = 1 + `2${ 3 - 4 }`;
 >b2 : string
 >1 + `2${ 3 - 4 }` : string
 >1 : 1
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -113,7 +113,7 @@ var c2 = 1 + `${ 3 - 4 }5`;
 >c2 : string
 >1 + `${ 3 - 4 }5` : string
 >1 : 1
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -122,7 +122,7 @@ var d2 = 1 + `2${ 3 - 4 }5`;
 >d2 : string
 >1 + `2${ 3 - 4 }5` : string
 >1 : 1
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -130,7 +130,7 @@ var d2 = 1 + `2${ 3 - 4 }5`;
 var e2 = `${ 3 - 4 }` + 6;
 >e2 : string
 >`${ 3 - 4 }` + 6 : string
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -139,7 +139,7 @@ var e2 = `${ 3 - 4 }` + 6;
 var f2 = `2${ 3 - 4 }` + 6;
 >f2 : string
 >`2${ 3 - 4 }` + 6 : string
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -148,7 +148,7 @@ var f2 = `2${ 3 - 4 }` + 6;
 var g2 = `${ 3 - 4 }5` + 6;
 >g2 : string
 >`${ 3 - 4 }5` + 6 : string
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -157,7 +157,7 @@ var g2 = `${ 3 - 4 }5` + 6;
 var h2 = `2${ 3 - 4 }5` + 6;
 >h2 : string
 >`2${ 3 - 4 }5` + 6 : string
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -168,7 +168,7 @@ var i2 = 1 + `${ 3 - 4 }` + 6;
 >1 + `${ 3 - 4 }` + 6 : string
 >1 + `${ 3 - 4 }` : string
 >1 : 1
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -179,7 +179,7 @@ var j2 = 1 + `2${ 3 - 4 }` + 6;
 >1 + `2${ 3 - 4 }` + 6 : string
 >1 + `2${ 3 - 4 }` : string
 >1 : 1
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -190,7 +190,7 @@ var k2 = 1 + `${ 3 - 4 }5` + 6;
 >1 + `${ 3 - 4 }5` + 6 : string
 >1 + `${ 3 - 4 }5` : string
 >1 : 1
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -201,7 +201,7 @@ var l2 = 1 + `2${ 3 - 4 }5` + 6;
 >1 + `2${ 3 - 4 }5` + 6 : string
 >1 + `2${ 3 - 4 }5` : string
 >1 : 1
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -211,7 +211,7 @@ var a3 = 1 + `${ 3 * 4 }`;
 >a3 : string
 >1 + `${ 3 * 4 }` : string
 >1 : 1
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -220,7 +220,7 @@ var b3 = 1 + `2${ 3 * 4 }`;
 >b3 : string
 >1 + `2${ 3 * 4 }` : string
 >1 : 1
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -229,7 +229,7 @@ var c3 = 1 + `${ 3 * 4 }5`;
 >c3 : string
 >1 + `${ 3 * 4 }5` : string
 >1 : 1
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -238,7 +238,7 @@ var d3 = 1 + `2${ 3 * 4 }5`;
 >d3 : string
 >1 + `2${ 3 * 4 }5` : string
 >1 : 1
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -246,7 +246,7 @@ var d3 = 1 + `2${ 3 * 4 }5`;
 var e3 = `${ 3 * 4 }` + 6;
 >e3 : string
 >`${ 3 * 4 }` + 6 : string
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -255,7 +255,7 @@ var e3 = `${ 3 * 4 }` + 6;
 var f3 = `2${ 3 * 4 }` + 6;
 >f3 : string
 >`2${ 3 * 4 }` + 6 : string
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -264,7 +264,7 @@ var f3 = `2${ 3 * 4 }` + 6;
 var g3 = `${ 3 * 4 }5` + 6;
 >g3 : string
 >`${ 3 * 4 }5` + 6 : string
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -273,7 +273,7 @@ var g3 = `${ 3 * 4 }5` + 6;
 var h3 = `2${ 3 * 4 }5` + 6;
 >h3 : string
 >`2${ 3 * 4 }5` + 6 : string
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -284,7 +284,7 @@ var i3 = 1 + `${ 3 * 4 }` + 6;
 >1 + `${ 3 * 4 }` + 6 : string
 >1 + `${ 3 * 4 }` : string
 >1 : 1
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -295,7 +295,7 @@ var j3 = 1 + `2${ 3 * 4 }` + 6;
 >1 + `2${ 3 * 4 }` + 6 : string
 >1 + `2${ 3 * 4 }` : string
 >1 : 1
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -306,7 +306,7 @@ var k3 = 1 + `${ 3 * 4 }5` + 6;
 >1 + `${ 3 * 4 }5` + 6 : string
 >1 + `${ 3 * 4 }5` : string
 >1 : 1
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -317,7 +317,7 @@ var l3 = 1 + `2${ 3 * 4 }5` + 6;
 >1 + `2${ 3 * 4 }5` + 6 : string
 >1 + `2${ 3 * 4 }5` : string
 >1 : 1
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -327,7 +327,7 @@ var a4 = 1 + `${ 3 & 4 }`;
 >a4 : string
 >1 + `${ 3 & 4 }` : string
 >1 : 1
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -336,7 +336,7 @@ var b4 = 1 + `2${ 3 & 4 }`;
 >b4 : string
 >1 + `2${ 3 & 4 }` : string
 >1 : 1
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -345,7 +345,7 @@ var c4 = 1 + `${ 3 & 4 }5`;
 >c4 : string
 >1 + `${ 3 & 4 }5` : string
 >1 : 1
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -354,7 +354,7 @@ var d4 = 1 + `2${ 3 & 4 }5`;
 >d4 : string
 >1 + `2${ 3 & 4 }5` : string
 >1 : 1
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -362,7 +362,7 @@ var d4 = 1 + `2${ 3 & 4 }5`;
 var e4 = `${ 3 & 4 }` + 6;
 >e4 : string
 >`${ 3 & 4 }` + 6 : string
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -371,7 +371,7 @@ var e4 = `${ 3 & 4 }` + 6;
 var f4 = `2${ 3 & 4 }` + 6;
 >f4 : string
 >`2${ 3 & 4 }` + 6 : string
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -380,7 +380,7 @@ var f4 = `2${ 3 & 4 }` + 6;
 var g4 = `${ 3 & 4 }5` + 6;
 >g4 : string
 >`${ 3 & 4 }5` + 6 : string
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -389,7 +389,7 @@ var g4 = `${ 3 & 4 }5` + 6;
 var h4 = `2${ 3 & 4 }5` + 6;
 >h4 : string
 >`2${ 3 & 4 }5` + 6 : string
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -400,7 +400,7 @@ var i4 = 1 + `${ 3 & 4 }` + 6;
 >1 + `${ 3 & 4 }` + 6 : string
 >1 + `${ 3 & 4 }` : string
 >1 : 1
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -411,7 +411,7 @@ var j4 = 1 + `2${ 3 & 4 }` + 6;
 >1 + `2${ 3 & 4 }` + 6 : string
 >1 + `2${ 3 & 4 }` : string
 >1 : 1
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -422,7 +422,7 @@ var k4 = 1 + `${ 3 & 4 }5` + 6;
 >1 + `${ 3 & 4 }5` + 6 : string
 >1 + `${ 3 & 4 }5` : string
 >1 : 1
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -433,7 +433,7 @@ var l4 = 1 + `2${ 3 & 4 }5` + 6;
 >1 + `2${ 3 & 4 }5` + 6 : string
 >1 + `2${ 3 & 4 }5` : string
 >1 : 1
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
diff --git a/tests/baselines/reference/templateStringBinaryOperationsES6.types b/tests/baselines/reference/templateStringBinaryOperationsES6.types
index 0ac9775a655ab..ebbc7bcf88c2e 100644
--- a/tests/baselines/reference/templateStringBinaryOperationsES6.types
+++ b/tests/baselines/reference/templateStringBinaryOperationsES6.types
@@ -3,55 +3,55 @@ var a = 1 + `${ 3 }`;
 >a : string
 >1 + `${ 3 }` : string
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var b = 1 + `2${ 3 }`;
 >b : string
 >1 + `2${ 3 }` : string
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 var c = 1 + `${ 3 }4`;
 >c : string
 >1 + `${ 3 }4` : string
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 
 var d = 1 + `2${ 3 }4`;
 >d : string
 >1 + `2${ 3 }4` : string
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 var e = `${ 3 }` + 5;
 >e : string
 >`${ 3 }` + 5 : string
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
 var f = `2${ 3 }` + 5;
 >f : string
 >`2${ 3 }` + 5 : string
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
 var g = `${ 3 }4` + 5;
 >g : string
 >`${ 3 }4` + 5 : string
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
 var h = `2${ 3 }4` + 5;
 >h : string
 >`2${ 3 }4` + 5 : string
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -60,7 +60,7 @@ var i = 1 + `${ 3 }` + 5;
 >1 + `${ 3 }` + 5 : string
 >1 + `${ 3 }` : string
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
@@ -69,7 +69,7 @@ var j = 1 + `2${ 3 }` + 5;
 >1 + `2${ 3 }` + 5 : string
 >1 + `2${ 3 }` : string
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
@@ -78,7 +78,7 @@ var k = 1 + `${ 3 }4` + 5;
 >1 + `${ 3 }4` + 5 : string
 >1 + `${ 3 }4` : string
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
@@ -87,7 +87,7 @@ var l = 1 + `2${ 3 }4` + 5;
 >1 + `2${ 3 }4` + 5 : string
 >1 + `2${ 3 }4` : string
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -95,7 +95,7 @@ var a2 = 1 + `${ 3 - 4 }`;
 >a2 : string
 >1 + `${ 3 - 4 }` : string
 >1 : 1
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -104,7 +104,7 @@ var b2 = 1 + `2${ 3 - 4 }`;
 >b2 : string
 >1 + `2${ 3 - 4 }` : string
 >1 : 1
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -113,7 +113,7 @@ var c2 = 1 + `${ 3 - 4 }5`;
 >c2 : string
 >1 + `${ 3 - 4 }5` : string
 >1 : 1
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -122,7 +122,7 @@ var d2 = 1 + `2${ 3 - 4 }5`;
 >d2 : string
 >1 + `2${ 3 - 4 }5` : string
 >1 : 1
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -130,7 +130,7 @@ var d2 = 1 + `2${ 3 - 4 }5`;
 var e2 = `${ 3 - 4 }` + 6;
 >e2 : string
 >`${ 3 - 4 }` + 6 : string
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -139,7 +139,7 @@ var e2 = `${ 3 - 4 }` + 6;
 var f2 = `2${ 3 - 4 }` + 6;
 >f2 : string
 >`2${ 3 - 4 }` + 6 : string
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -148,7 +148,7 @@ var f2 = `2${ 3 - 4 }` + 6;
 var g2 = `${ 3 - 4 }5` + 6;
 >g2 : string
 >`${ 3 - 4 }5` + 6 : string
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -157,7 +157,7 @@ var g2 = `${ 3 - 4 }5` + 6;
 var h2 = `2${ 3 - 4 }5` + 6;
 >h2 : string
 >`2${ 3 - 4 }5` + 6 : string
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -168,7 +168,7 @@ var i2 = 1 + `${ 3 - 4 }` + 6;
 >1 + `${ 3 - 4 }` + 6 : string
 >1 + `${ 3 - 4 }` : string
 >1 : 1
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -179,7 +179,7 @@ var j2 = 1 + `2${ 3 - 4 }` + 6;
 >1 + `2${ 3 - 4 }` + 6 : string
 >1 + `2${ 3 - 4 }` : string
 >1 : 1
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -190,7 +190,7 @@ var k2 = 1 + `${ 3 - 4 }5` + 6;
 >1 + `${ 3 - 4 }5` + 6 : string
 >1 + `${ 3 - 4 }5` : string
 >1 : 1
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -201,7 +201,7 @@ var l2 = 1 + `2${ 3 - 4 }5` + 6;
 >1 + `2${ 3 - 4 }5` + 6 : string
 >1 + `2${ 3 - 4 }5` : string
 >1 : 1
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -211,7 +211,7 @@ var a3 = 1 + `${ 3 * 4 }`;
 >a3 : string
 >1 + `${ 3 * 4 }` : string
 >1 : 1
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -220,7 +220,7 @@ var b3 = 1 + `2${ 3 * 4 }`;
 >b3 : string
 >1 + `2${ 3 * 4 }` : string
 >1 : 1
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -229,7 +229,7 @@ var c3 = 1 + `${ 3 * 4 }5`;
 >c3 : string
 >1 + `${ 3 * 4 }5` : string
 >1 : 1
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -238,7 +238,7 @@ var d3 = 1 + `2${ 3 * 4 }5`;
 >d3 : string
 >1 + `2${ 3 * 4 }5` : string
 >1 : 1
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -246,7 +246,7 @@ var d3 = 1 + `2${ 3 * 4 }5`;
 var e3 = `${ 3 * 4 }` + 6;
 >e3 : string
 >`${ 3 * 4 }` + 6 : string
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -255,7 +255,7 @@ var e3 = `${ 3 * 4 }` + 6;
 var f3 = `2${ 3 * 4 }` + 6;
 >f3 : string
 >`2${ 3 * 4 }` + 6 : string
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -264,7 +264,7 @@ var f3 = `2${ 3 * 4 }` + 6;
 var g3 = `${ 3 * 4 }5` + 6;
 >g3 : string
 >`${ 3 * 4 }5` + 6 : string
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -273,7 +273,7 @@ var g3 = `${ 3 * 4 }5` + 6;
 var h3 = `2${ 3 * 4 }5` + 6;
 >h3 : string
 >`2${ 3 * 4 }5` + 6 : string
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -284,7 +284,7 @@ var i3 = 1 + `${ 3 * 4 }` + 6;
 >1 + `${ 3 * 4 }` + 6 : string
 >1 + `${ 3 * 4 }` : string
 >1 : 1
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -295,7 +295,7 @@ var j3 = 1 + `2${ 3 * 4 }` + 6;
 >1 + `2${ 3 * 4 }` + 6 : string
 >1 + `2${ 3 * 4 }` : string
 >1 : 1
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -306,7 +306,7 @@ var k3 = 1 + `${ 3 * 4 }5` + 6;
 >1 + `${ 3 * 4 }5` + 6 : string
 >1 + `${ 3 * 4 }5` : string
 >1 : 1
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -317,7 +317,7 @@ var l3 = 1 + `2${ 3 * 4 }5` + 6;
 >1 + `2${ 3 * 4 }5` + 6 : string
 >1 + `2${ 3 * 4 }5` : string
 >1 : 1
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -327,7 +327,7 @@ var a4 = 1 + `${ 3 & 4 }`;
 >a4 : string
 >1 + `${ 3 & 4 }` : string
 >1 : 1
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -336,7 +336,7 @@ var b4 = 1 + `2${ 3 & 4 }`;
 >b4 : string
 >1 + `2${ 3 & 4 }` : string
 >1 : 1
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -345,7 +345,7 @@ var c4 = 1 + `${ 3 & 4 }5`;
 >c4 : string
 >1 + `${ 3 & 4 }5` : string
 >1 : 1
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -354,7 +354,7 @@ var d4 = 1 + `2${ 3 & 4 }5`;
 >d4 : string
 >1 + `2${ 3 & 4 }5` : string
 >1 : 1
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -362,7 +362,7 @@ var d4 = 1 + `2${ 3 & 4 }5`;
 var e4 = `${ 3 & 4 }` + 6;
 >e4 : string
 >`${ 3 & 4 }` + 6 : string
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -371,7 +371,7 @@ var e4 = `${ 3 & 4 }` + 6;
 var f4 = `2${ 3 & 4 }` + 6;
 >f4 : string
 >`2${ 3 & 4 }` + 6 : string
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -380,7 +380,7 @@ var f4 = `2${ 3 & 4 }` + 6;
 var g4 = `${ 3 & 4 }5` + 6;
 >g4 : string
 >`${ 3 & 4 }5` + 6 : string
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -389,7 +389,7 @@ var g4 = `${ 3 & 4 }5` + 6;
 var h4 = `2${ 3 & 4 }5` + 6;
 >h4 : string
 >`2${ 3 & 4 }5` + 6 : string
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -400,7 +400,7 @@ var i4 = 1 + `${ 3 & 4 }` + 6;
 >1 + `${ 3 & 4 }` + 6 : string
 >1 + `${ 3 & 4 }` : string
 >1 : 1
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -411,7 +411,7 @@ var j4 = 1 + `2${ 3 & 4 }` + 6;
 >1 + `2${ 3 & 4 }` + 6 : string
 >1 + `2${ 3 & 4 }` : string
 >1 : 1
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -422,7 +422,7 @@ var k4 = 1 + `${ 3 & 4 }5` + 6;
 >1 + `${ 3 & 4 }5` + 6 : string
 >1 + `${ 3 & 4 }5` : string
 >1 : 1
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -433,7 +433,7 @@ var l4 = 1 + `2${ 3 & 4 }5` + 6;
 >1 + `2${ 3 & 4 }5` + 6 : string
 >1 + `2${ 3 & 4 }5` : string
 >1 : 1
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
diff --git a/tests/baselines/reference/templateStringBinaryOperationsES6Invalid.types b/tests/baselines/reference/templateStringBinaryOperationsES6Invalid.types
index 8782991b7106c..4c859c9108be6 100644
--- a/tests/baselines/reference/templateStringBinaryOperationsES6Invalid.types
+++ b/tests/baselines/reference/templateStringBinaryOperationsES6Invalid.types
@@ -3,55 +3,55 @@ var a = 1 - `${ 3 }`;
 >a : number
 >1 - `${ 3 }` : number
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var b = 1 - `2${ 3 }`;
 >b : number
 >1 - `2${ 3 }` : number
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 var c = 1 - `${ 3 }4`;
 >c : number
 >1 - `${ 3 }4` : number
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 
 var d = 1 - `2${ 3 }4`;
 >d : number
 >1 - `2${ 3 }4` : number
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 var e = `${ 3 }` - 5;
 >e : number
 >`${ 3 }` - 5 : number
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
 var f = `2${ 3 }` - 5;
 >f : number
 >`2${ 3 }` - 5 : number
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
 var g = `${ 3 }4` - 5;
 >g : number
 >`${ 3 }4` - 5 : number
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
 var h = `2${ 3 }4` - 5;
 >h : number
 >`2${ 3 }4` - 5 : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -59,55 +59,55 @@ var a2 = 1 * `${ 3 }`;
 >a2 : number
 >1 * `${ 3 }` : number
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var b2 = 1 * `2${ 3 }`;
 >b2 : number
 >1 * `2${ 3 }` : number
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 var c2 = 1 * `${ 3 }4`;
 >c2 : number
 >1 * `${ 3 }4` : number
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 
 var d2 = 1 * `2${ 3 }4`;
 >d2 : number
 >1 * `2${ 3 }4` : number
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 var e2 = `${ 3 }` * 5;
 >e2 : number
 >`${ 3 }` * 5 : number
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
 var f2 = `2${ 3 }` * 5;
 >f2 : number
 >`2${ 3 }` * 5 : number
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
 var g2 = `${ 3 }4` * 5;
 >g2 : number
 >`${ 3 }4` * 5 : number
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
 var h2 = `2${ 3 }4` * 5;
 >h2 : number
 >`2${ 3 }4` * 5 : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -115,55 +115,55 @@ var a3 = 1 & `${ 3 }`;
 >a3 : number
 >1 & `${ 3 }` : number
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var b3 = 1 & `2${ 3 }`;
 >b3 : number
 >1 & `2${ 3 }` : number
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 var c3 = 1 & `${ 3 }4`;
 >c3 : number
 >1 & `${ 3 }4` : number
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 
 var d3 = 1 & `2${ 3 }4`;
 >d3 : number
 >1 & `2${ 3 }4` : number
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 var e3 = `${ 3 }` & 5;
 >e3 : number
 >`${ 3 }` & 5 : number
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
 var f3 = `2${ 3 }` & 5;
 >f3 : number
 >`2${ 3 }` & 5 : number
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
 var g3 = `${ 3 }4` & 5;
 >g3 : number
 >`${ 3 }4` & 5 : number
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
 var h3 = `2${ 3 }4` & 5;
 >h3 : number
 >`2${ 3 }4` & 5 : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -171,7 +171,7 @@ var a4 = 1 - `${ 3 - 4 }`;
 >a4 : number
 >1 - `${ 3 - 4 }` : number
 >1 : 1
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -180,7 +180,7 @@ var b4 = 1 - `2${ 3 - 4 }`;
 >b4 : number
 >1 - `2${ 3 - 4 }` : number
 >1 : 1
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -189,7 +189,7 @@ var c4 = 1 - `${ 3 - 4 }5`;
 >c4 : number
 >1 - `${ 3 - 4 }5` : number
 >1 : 1
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -198,7 +198,7 @@ var d4 = 1 - `2${ 3 - 4 }5`;
 >d4 : number
 >1 - `2${ 3 - 4 }5` : number
 >1 : 1
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -206,7 +206,7 @@ var d4 = 1 - `2${ 3 - 4 }5`;
 var e4 = `${ 3 - 4 }` - 6;
 >e4 : number
 >`${ 3 - 4 }` - 6 : number
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -215,7 +215,7 @@ var e4 = `${ 3 - 4 }` - 6;
 var f4 = `2${ 3 - 4 }` - 6;
 >f4 : number
 >`2${ 3 - 4 }` - 6 : number
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -224,7 +224,7 @@ var f4 = `2${ 3 - 4 }` - 6;
 var g4 = `${ 3 - 4 }5` - 6;
 >g4 : number
 >`${ 3 - 4 }5` - 6 : number
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -233,7 +233,7 @@ var g4 = `${ 3 - 4 }5` - 6;
 var h4 = `2${ 3 - 4 }5` - 6;
 >h4 : number
 >`2${ 3 - 4 }5` - 6 : number
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -243,7 +243,7 @@ var a5 = 1 - `${ 3 * 4 }`;
 >a5 : number
 >1 - `${ 3 * 4 }` : number
 >1 : 1
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -252,7 +252,7 @@ var b5 = 1 - `2${ 3 * 4 }`;
 >b5 : number
 >1 - `2${ 3 * 4 }` : number
 >1 : 1
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -261,7 +261,7 @@ var c5 = 1 - `${ 3 * 4 }5`;
 >c5 : number
 >1 - `${ 3 * 4 }5` : number
 >1 : 1
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -270,7 +270,7 @@ var d5 = 1 - `2${ 3 * 4 }5`;
 >d5 : number
 >1 - `2${ 3 * 4 }5` : number
 >1 : 1
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -278,7 +278,7 @@ var d5 = 1 - `2${ 3 * 4 }5`;
 var e5 = `${ 3 * 4 }` - 6;
 >e5 : number
 >`${ 3 * 4 }` - 6 : number
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -287,7 +287,7 @@ var e5 = `${ 3 * 4 }` - 6;
 var f5 = `2${ 3 * 4 }` - 6;
 >f5 : number
 >`2${ 3 * 4 }` - 6 : number
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -296,7 +296,7 @@ var f5 = `2${ 3 * 4 }` - 6;
 var g5 = `${ 3 * 4 }5` - 6;
 >g5 : number
 >`${ 3 * 4 }5` - 6 : number
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -305,7 +305,7 @@ var g5 = `${ 3 * 4 }5` - 6;
 var h5 = `2${ 3 * 4 }5` - 6;
 >h5 : number
 >`2${ 3 * 4 }5` - 6 : number
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -315,7 +315,7 @@ var a6 = 1 - `${ 3 & 4 }`;
 >a6 : number
 >1 - `${ 3 & 4 }` : number
 >1 : 1
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -324,7 +324,7 @@ var b6 = 1 - `2${ 3 & 4 }`;
 >b6 : number
 >1 - `2${ 3 & 4 }` : number
 >1 : 1
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -333,7 +333,7 @@ var c6 = 1 - `${ 3 & 4 }5`;
 >c6 : number
 >1 - `${ 3 & 4 }5` : number
 >1 : 1
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -342,7 +342,7 @@ var d6 = 1 - `2${ 3 & 4 }5`;
 >d6 : number
 >1 - `2${ 3 & 4 }5` : number
 >1 : 1
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -350,7 +350,7 @@ var d6 = 1 - `2${ 3 & 4 }5`;
 var e6 = `${ 3 & 4 }` - 6;
 >e6 : number
 >`${ 3 & 4 }` - 6 : number
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -359,7 +359,7 @@ var e6 = `${ 3 & 4 }` - 6;
 var f6 = `2${ 3 & 4 }` - 6;
 >f6 : number
 >`2${ 3 & 4 }` - 6 : number
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -368,7 +368,7 @@ var f6 = `2${ 3 & 4 }` - 6;
 var g6 = `${ 3 & 4 }5` - 6;
 >g6 : number
 >`${ 3 & 4 }5` - 6 : number
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -377,7 +377,7 @@ var g6 = `${ 3 & 4 }5` - 6;
 var h6 = `2${ 3 & 4 }5` - 6;
 >h6 : number
 >`2${ 3 & 4 }5` - 6 : number
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -387,7 +387,7 @@ var a7 = 1 * `${ 3 - 4 }`;
 >a7 : number
 >1 * `${ 3 - 4 }` : number
 >1 : 1
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -396,7 +396,7 @@ var b7 = 1 * `2${ 3 - 4 }`;
 >b7 : number
 >1 * `2${ 3 - 4 }` : number
 >1 : 1
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -405,7 +405,7 @@ var c7 = 1 * `${ 3 - 4 }5`;
 >c7 : number
 >1 * `${ 3 - 4 }5` : number
 >1 : 1
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -414,7 +414,7 @@ var d7 = 1 * `2${ 3 - 4 }5`;
 >d7 : number
 >1 * `2${ 3 - 4 }5` : number
 >1 : 1
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -422,7 +422,7 @@ var d7 = 1 * `2${ 3 - 4 }5`;
 var e7 = `${ 3 - 4 }` * 6;
 >e7 : number
 >`${ 3 - 4 }` * 6 : number
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -431,7 +431,7 @@ var e7 = `${ 3 - 4 }` * 6;
 var f7 = `2${ 3 - 4 }` * 6;
 >f7 : number
 >`2${ 3 - 4 }` * 6 : number
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -440,7 +440,7 @@ var f7 = `2${ 3 - 4 }` * 6;
 var g7 = `${ 3 - 4 }5` * 6;
 >g7 : number
 >`${ 3 - 4 }5` * 6 : number
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -449,7 +449,7 @@ var g7 = `${ 3 - 4 }5` * 6;
 var h7 = `2${ 3 - 4 }5` * 6;
 >h7 : number
 >`2${ 3 - 4 }5` * 6 : number
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -459,7 +459,7 @@ var a8 = 1 * `${ 3 * 4 }`;
 >a8 : number
 >1 * `${ 3 * 4 }` : number
 >1 : 1
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -468,7 +468,7 @@ var b8 = 1 * `2${ 3 * 4 }`;
 >b8 : number
 >1 * `2${ 3 * 4 }` : number
 >1 : 1
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -477,7 +477,7 @@ var c8 = 1 * `${ 3 * 4 }5`;
 >c8 : number
 >1 * `${ 3 * 4 }5` : number
 >1 : 1
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -486,7 +486,7 @@ var d8 = 1 * `2${ 3 * 4 }5`;
 >d8 : number
 >1 * `2${ 3 * 4 }5` : number
 >1 : 1
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -494,7 +494,7 @@ var d8 = 1 * `2${ 3 * 4 }5`;
 var e8 = `${ 3 * 4 }` * 6;
 >e8 : number
 >`${ 3 * 4 }` * 6 : number
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -503,7 +503,7 @@ var e8 = `${ 3 * 4 }` * 6;
 var f8 = `2${ 3 * 4 }` * 6;
 >f8 : number
 >`2${ 3 * 4 }` * 6 : number
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -512,7 +512,7 @@ var f8 = `2${ 3 * 4 }` * 6;
 var g8 = `${ 3 * 4 }5` * 6;
 >g8 : number
 >`${ 3 * 4 }5` * 6 : number
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -521,7 +521,7 @@ var g8 = `${ 3 * 4 }5` * 6;
 var h8 = `2${ 3 * 4 }5` * 6;
 >h8 : number
 >`2${ 3 * 4 }5` * 6 : number
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -531,7 +531,7 @@ var a9 = 1 * `${ 3 & 4 }`;
 >a9 : number
 >1 * `${ 3 & 4 }` : number
 >1 : 1
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -540,7 +540,7 @@ var b9 = 1 * `2${ 3 & 4 }`;
 >b9 : number
 >1 * `2${ 3 & 4 }` : number
 >1 : 1
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -549,7 +549,7 @@ var c9 = 1 * `${ 3 & 4 }5`;
 >c9 : number
 >1 * `${ 3 & 4 }5` : number
 >1 : 1
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -558,7 +558,7 @@ var d9 = 1 * `2${ 3 & 4 }5`;
 >d9 : number
 >1 * `2${ 3 & 4 }5` : number
 >1 : 1
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -566,7 +566,7 @@ var d9 = 1 * `2${ 3 & 4 }5`;
 var e9 = `${ 3 & 4 }` * 6;
 >e9 : number
 >`${ 3 & 4 }` * 6 : number
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -575,7 +575,7 @@ var e9 = `${ 3 & 4 }` * 6;
 var f9 = `2${ 3 & 4 }` * 6;
 >f9 : number
 >`2${ 3 & 4 }` * 6 : number
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -584,7 +584,7 @@ var f9 = `2${ 3 & 4 }` * 6;
 var g9 = `${ 3 & 4 }5` * 6;
 >g9 : number
 >`${ 3 & 4 }5` * 6 : number
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -593,7 +593,7 @@ var g9 = `${ 3 & 4 }5` * 6;
 var h9 = `2${ 3 & 4 }5` * 6;
 >h9 : number
 >`2${ 3 & 4 }5` * 6 : number
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -603,7 +603,7 @@ var aa = 1 & `${ 3 - 4 }`;
 >aa : number
 >1 & `${ 3 - 4 }` : number
 >1 : 1
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -612,7 +612,7 @@ var ba = 1 & `2${ 3 - 4 }`;
 >ba : number
 >1 & `2${ 3 - 4 }` : number
 >1 : 1
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -621,7 +621,7 @@ var ca = 1 & `${ 3 - 4 }5`;
 >ca : number
 >1 & `${ 3 - 4 }5` : number
 >1 : 1
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -630,7 +630,7 @@ var da = 1 & `2${ 3 - 4 }5`;
 >da : number
 >1 & `2${ 3 - 4 }5` : number
 >1 : 1
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -638,7 +638,7 @@ var da = 1 & `2${ 3 - 4 }5`;
 var ea = `${ 3 - 4 }` & 6;
 >ea : number
 >`${ 3 - 4 }` & 6 : number
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -647,7 +647,7 @@ var ea = `${ 3 - 4 }` & 6;
 var fa = `2${ 3 - 4 }` & 6;
 >fa : number
 >`2${ 3 - 4 }` & 6 : number
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -656,7 +656,7 @@ var fa = `2${ 3 - 4 }` & 6;
 var ga = `${ 3 - 4 }5` & 6;
 >ga : number
 >`${ 3 - 4 }5` & 6 : number
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -665,7 +665,7 @@ var ga = `${ 3 - 4 }5` & 6;
 var ha = `2${ 3 - 4 }5` & 6;
 >ha : number
 >`2${ 3 - 4 }5` & 6 : number
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -675,7 +675,7 @@ var ab = 1 & `${ 3 * 4 }`;
 >ab : number
 >1 & `${ 3 * 4 }` : number
 >1 : 1
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -684,7 +684,7 @@ var bb = 1 & `2${ 3 * 4 }`;
 >bb : number
 >1 & `2${ 3 * 4 }` : number
 >1 : 1
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -693,7 +693,7 @@ var cb = 1 & `${ 3 * 4 }5`;
 >cb : number
 >1 & `${ 3 * 4 }5` : number
 >1 : 1
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -702,7 +702,7 @@ var db = 1 & `2${ 3 * 4 }5`;
 >db : number
 >1 & `2${ 3 * 4 }5` : number
 >1 : 1
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -710,7 +710,7 @@ var db = 1 & `2${ 3 * 4 }5`;
 var eb = `${ 3 * 4 }` & 6;
 >eb : number
 >`${ 3 * 4 }` & 6 : number
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -719,7 +719,7 @@ var eb = `${ 3 * 4 }` & 6;
 var fb = `2${ 3 * 4 }` & 6;
 >fb : number
 >`2${ 3 * 4 }` & 6 : number
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -728,7 +728,7 @@ var fb = `2${ 3 * 4 }` & 6;
 var gb = `${ 3 * 4 }5` & 6;
 >gb : number
 >`${ 3 * 4 }5` & 6 : number
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -737,7 +737,7 @@ var gb = `${ 3 * 4 }5` & 6;
 var hb = `2${ 3 * 4 }5` & 6;
 >hb : number
 >`2${ 3 * 4 }5` & 6 : number
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -747,7 +747,7 @@ var ac = 1 & `${ 3 & 4 }`;
 >ac : number
 >1 & `${ 3 & 4 }` : number
 >1 : 1
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -756,7 +756,7 @@ var bc = 1 & `2${ 3 & 4 }`;
 >bc : number
 >1 & `2${ 3 & 4 }` : number
 >1 : 1
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -765,7 +765,7 @@ var cc = 1 & `${ 3 & 4 }5`;
 >cc : number
 >1 & `${ 3 & 4 }5` : number
 >1 : 1
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -774,7 +774,7 @@ var dc = 1 & `2${ 3 & 4 }5`;
 >dc : number
 >1 & `2${ 3 & 4 }5` : number
 >1 : 1
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -782,7 +782,7 @@ var dc = 1 & `2${ 3 & 4 }5`;
 var ec = `${ 3 & 4 }` & 6;
 >ec : number
 >`${ 3 & 4 }` & 6 : number
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -791,7 +791,7 @@ var ec = `${ 3 & 4 }` & 6;
 var fc = `2${ 3 & 4 }` & 6;
 >fc : number
 >`2${ 3 & 4 }` & 6 : number
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -800,7 +800,7 @@ var fc = `2${ 3 & 4 }` & 6;
 var gc = `${ 3 & 4 }5` & 6;
 >gc : number
 >`${ 3 & 4 }5` & 6 : number
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -809,7 +809,7 @@ var gc = `${ 3 & 4 }5` & 6;
 var hc = `2${ 3 & 4 }5` & 6;
 >hc : number
 >`2${ 3 & 4 }5` & 6 : number
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
diff --git a/tests/baselines/reference/templateStringBinaryOperationsInvalid.types b/tests/baselines/reference/templateStringBinaryOperationsInvalid.types
index 37f0149ad74db..2bfb626146530 100644
--- a/tests/baselines/reference/templateStringBinaryOperationsInvalid.types
+++ b/tests/baselines/reference/templateStringBinaryOperationsInvalid.types
@@ -3,55 +3,55 @@ var a = 1 - `${ 3 }`;
 >a : number
 >1 - `${ 3 }` : number
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var b = 1 - `2${ 3 }`;
 >b : number
 >1 - `2${ 3 }` : number
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 var c = 1 - `${ 3 }4`;
 >c : number
 >1 - `${ 3 }4` : number
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 
 var d = 1 - `2${ 3 }4`;
 >d : number
 >1 - `2${ 3 }4` : number
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 var e = `${ 3 }` - 5;
 >e : number
 >`${ 3 }` - 5 : number
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
 var f = `2${ 3 }` - 5;
 >f : number
 >`2${ 3 }` - 5 : number
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
 var g = `${ 3 }4` - 5;
 >g : number
 >`${ 3 }4` - 5 : number
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
 var h = `2${ 3 }4` - 5;
 >h : number
 >`2${ 3 }4` - 5 : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -59,55 +59,55 @@ var a2 = 1 * `${ 3 }`;
 >a2 : number
 >1 * `${ 3 }` : number
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var b2 = 1 * `2${ 3 }`;
 >b2 : number
 >1 * `2${ 3 }` : number
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 var c2 = 1 * `${ 3 }4`;
 >c2 : number
 >1 * `${ 3 }4` : number
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 
 var d2 = 1 * `2${ 3 }4`;
 >d2 : number
 >1 * `2${ 3 }4` : number
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 var e2 = `${ 3 }` * 5;
 >e2 : number
 >`${ 3 }` * 5 : number
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
 var f2 = `2${ 3 }` * 5;
 >f2 : number
 >`2${ 3 }` * 5 : number
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
 var g2 = `${ 3 }4` * 5;
 >g2 : number
 >`${ 3 }4` * 5 : number
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
 var h2 = `2${ 3 }4` * 5;
 >h2 : number
 >`2${ 3 }4` * 5 : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -115,55 +115,55 @@ var a3 = 1 & `${ 3 }`;
 >a3 : number
 >1 & `${ 3 }` : number
 >1 : 1
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 
 var b3 = 1 & `2${ 3 }`;
 >b3 : number
 >1 & `2${ 3 }` : number
 >1 : 1
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 
 var c3 = 1 & `${ 3 }4`;
 >c3 : number
 >1 & `${ 3 }4` : number
 >1 : 1
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 
 var d3 = 1 & `2${ 3 }4`;
 >d3 : number
 >1 & `2${ 3 }4` : number
 >1 : 1
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 
 var e3 = `${ 3 }` & 5;
 >e3 : number
 >`${ 3 }` & 5 : number
->`${ 3 }` : string
+>`${ 3 }` : "3"
 >3 : 3
 >5 : 5
 
 var f3 = `2${ 3 }` & 5;
 >f3 : number
 >`2${ 3 }` & 5 : number
->`2${ 3 }` : string
+>`2${ 3 }` : "23"
 >3 : 3
 >5 : 5
 
 var g3 = `${ 3 }4` & 5;
 >g3 : number
 >`${ 3 }4` & 5 : number
->`${ 3 }4` : string
+>`${ 3 }4` : "34"
 >3 : 3
 >5 : 5
 
 var h3 = `2${ 3 }4` & 5;
 >h3 : number
 >`2${ 3 }4` & 5 : number
->`2${ 3 }4` : string
+>`2${ 3 }4` : "234"
 >3 : 3
 >5 : 5
 
@@ -171,7 +171,7 @@ var a4 = 1 - `${ 3 - 4 }`;
 >a4 : number
 >1 - `${ 3 - 4 }` : number
 >1 : 1
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -180,7 +180,7 @@ var b4 = 1 - `2${ 3 - 4 }`;
 >b4 : number
 >1 - `2${ 3 - 4 }` : number
 >1 : 1
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -189,7 +189,7 @@ var c4 = 1 - `${ 3 - 4 }5`;
 >c4 : number
 >1 - `${ 3 - 4 }5` : number
 >1 : 1
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -198,7 +198,7 @@ var d4 = 1 - `2${ 3 - 4 }5`;
 >d4 : number
 >1 - `2${ 3 - 4 }5` : number
 >1 : 1
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -206,7 +206,7 @@ var d4 = 1 - `2${ 3 - 4 }5`;
 var e4 = `${ 3 - 4 }` - 6;
 >e4 : number
 >`${ 3 - 4 }` - 6 : number
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -215,7 +215,7 @@ var e4 = `${ 3 - 4 }` - 6;
 var f4 = `2${ 3 - 4 }` - 6;
 >f4 : number
 >`2${ 3 - 4 }` - 6 : number
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -224,7 +224,7 @@ var f4 = `2${ 3 - 4 }` - 6;
 var g4 = `${ 3 - 4 }5` - 6;
 >g4 : number
 >`${ 3 - 4 }5` - 6 : number
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -233,7 +233,7 @@ var g4 = `${ 3 - 4 }5` - 6;
 var h4 = `2${ 3 - 4 }5` - 6;
 >h4 : number
 >`2${ 3 - 4 }5` - 6 : number
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -243,7 +243,7 @@ var a5 = 1 - `${ 3 * 4 }`;
 >a5 : number
 >1 - `${ 3 * 4 }` : number
 >1 : 1
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -252,7 +252,7 @@ var b5 = 1 - `2${ 3 * 4 }`;
 >b5 : number
 >1 - `2${ 3 * 4 }` : number
 >1 : 1
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -261,7 +261,7 @@ var c5 = 1 - `${ 3 * 4 }5`;
 >c5 : number
 >1 - `${ 3 * 4 }5` : number
 >1 : 1
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -270,7 +270,7 @@ var d5 = 1 - `2${ 3 * 4 }5`;
 >d5 : number
 >1 - `2${ 3 * 4 }5` : number
 >1 : 1
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -278,7 +278,7 @@ var d5 = 1 - `2${ 3 * 4 }5`;
 var e5 = `${ 3 * 4 }` - 6;
 >e5 : number
 >`${ 3 * 4 }` - 6 : number
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -287,7 +287,7 @@ var e5 = `${ 3 * 4 }` - 6;
 var f5 = `2${ 3 * 4 }` - 6;
 >f5 : number
 >`2${ 3 * 4 }` - 6 : number
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -296,7 +296,7 @@ var f5 = `2${ 3 * 4 }` - 6;
 var g5 = `${ 3 * 4 }5` - 6;
 >g5 : number
 >`${ 3 * 4 }5` - 6 : number
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -305,7 +305,7 @@ var g5 = `${ 3 * 4 }5` - 6;
 var h5 = `2${ 3 * 4 }5` - 6;
 >h5 : number
 >`2${ 3 * 4 }5` - 6 : number
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -315,7 +315,7 @@ var a6 = 1 - `${ 3 & 4 }`;
 >a6 : number
 >1 - `${ 3 & 4 }` : number
 >1 : 1
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -324,7 +324,7 @@ var b6 = 1 - `2${ 3 & 4 }`;
 >b6 : number
 >1 - `2${ 3 & 4 }` : number
 >1 : 1
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -333,7 +333,7 @@ var c6 = 1 - `${ 3 & 4 }5`;
 >c6 : number
 >1 - `${ 3 & 4 }5` : number
 >1 : 1
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -342,7 +342,7 @@ var d6 = 1 - `2${ 3 & 4 }5`;
 >d6 : number
 >1 - `2${ 3 & 4 }5` : number
 >1 : 1
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -350,7 +350,7 @@ var d6 = 1 - `2${ 3 & 4 }5`;
 var e6 = `${ 3 & 4 }` - 6;
 >e6 : number
 >`${ 3 & 4 }` - 6 : number
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -359,7 +359,7 @@ var e6 = `${ 3 & 4 }` - 6;
 var f6 = `2${ 3 & 4 }` - 6;
 >f6 : number
 >`2${ 3 & 4 }` - 6 : number
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -368,7 +368,7 @@ var f6 = `2${ 3 & 4 }` - 6;
 var g6 = `${ 3 & 4 }5` - 6;
 >g6 : number
 >`${ 3 & 4 }5` - 6 : number
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -377,7 +377,7 @@ var g6 = `${ 3 & 4 }5` - 6;
 var h6 = `2${ 3 & 4 }5` - 6;
 >h6 : number
 >`2${ 3 & 4 }5` - 6 : number
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -387,7 +387,7 @@ var a7 = 1 * `${ 3 - 4 }`;
 >a7 : number
 >1 * `${ 3 - 4 }` : number
 >1 : 1
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -396,7 +396,7 @@ var b7 = 1 * `2${ 3 - 4 }`;
 >b7 : number
 >1 * `2${ 3 - 4 }` : number
 >1 : 1
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -405,7 +405,7 @@ var c7 = 1 * `${ 3 - 4 }5`;
 >c7 : number
 >1 * `${ 3 - 4 }5` : number
 >1 : 1
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -414,7 +414,7 @@ var d7 = 1 * `2${ 3 - 4 }5`;
 >d7 : number
 >1 * `2${ 3 - 4 }5` : number
 >1 : 1
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -422,7 +422,7 @@ var d7 = 1 * `2${ 3 - 4 }5`;
 var e7 = `${ 3 - 4 }` * 6;
 >e7 : number
 >`${ 3 - 4 }` * 6 : number
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -431,7 +431,7 @@ var e7 = `${ 3 - 4 }` * 6;
 var f7 = `2${ 3 - 4 }` * 6;
 >f7 : number
 >`2${ 3 - 4 }` * 6 : number
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -440,7 +440,7 @@ var f7 = `2${ 3 - 4 }` * 6;
 var g7 = `${ 3 - 4 }5` * 6;
 >g7 : number
 >`${ 3 - 4 }5` * 6 : number
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -449,7 +449,7 @@ var g7 = `${ 3 - 4 }5` * 6;
 var h7 = `2${ 3 - 4 }5` * 6;
 >h7 : number
 >`2${ 3 - 4 }5` * 6 : number
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -459,7 +459,7 @@ var a8 = 1 * `${ 3 * 4 }`;
 >a8 : number
 >1 * `${ 3 * 4 }` : number
 >1 : 1
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -468,7 +468,7 @@ var b8 = 1 * `2${ 3 * 4 }`;
 >b8 : number
 >1 * `2${ 3 * 4 }` : number
 >1 : 1
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -477,7 +477,7 @@ var c8 = 1 * `${ 3 * 4 }5`;
 >c8 : number
 >1 * `${ 3 * 4 }5` : number
 >1 : 1
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -486,7 +486,7 @@ var d8 = 1 * `2${ 3 * 4 }5`;
 >d8 : number
 >1 * `2${ 3 * 4 }5` : number
 >1 : 1
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -494,7 +494,7 @@ var d8 = 1 * `2${ 3 * 4 }5`;
 var e8 = `${ 3 * 4 }` * 6;
 >e8 : number
 >`${ 3 * 4 }` * 6 : number
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -503,7 +503,7 @@ var e8 = `${ 3 * 4 }` * 6;
 var f8 = `2${ 3 * 4 }` * 6;
 >f8 : number
 >`2${ 3 * 4 }` * 6 : number
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -512,7 +512,7 @@ var f8 = `2${ 3 * 4 }` * 6;
 var g8 = `${ 3 * 4 }5` * 6;
 >g8 : number
 >`${ 3 * 4 }5` * 6 : number
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -521,7 +521,7 @@ var g8 = `${ 3 * 4 }5` * 6;
 var h8 = `2${ 3 * 4 }5` * 6;
 >h8 : number
 >`2${ 3 * 4 }5` * 6 : number
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -531,7 +531,7 @@ var a9 = 1 * `${ 3 & 4 }`;
 >a9 : number
 >1 * `${ 3 & 4 }` : number
 >1 : 1
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -540,7 +540,7 @@ var b9 = 1 * `2${ 3 & 4 }`;
 >b9 : number
 >1 * `2${ 3 & 4 }` : number
 >1 : 1
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -549,7 +549,7 @@ var c9 = 1 * `${ 3 & 4 }5`;
 >c9 : number
 >1 * `${ 3 & 4 }5` : number
 >1 : 1
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -558,7 +558,7 @@ var d9 = 1 * `2${ 3 & 4 }5`;
 >d9 : number
 >1 * `2${ 3 & 4 }5` : number
 >1 : 1
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -566,7 +566,7 @@ var d9 = 1 * `2${ 3 & 4 }5`;
 var e9 = `${ 3 & 4 }` * 6;
 >e9 : number
 >`${ 3 & 4 }` * 6 : number
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -575,7 +575,7 @@ var e9 = `${ 3 & 4 }` * 6;
 var f9 = `2${ 3 & 4 }` * 6;
 >f9 : number
 >`2${ 3 & 4 }` * 6 : number
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -584,7 +584,7 @@ var f9 = `2${ 3 & 4 }` * 6;
 var g9 = `${ 3 & 4 }5` * 6;
 >g9 : number
 >`${ 3 & 4 }5` * 6 : number
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -593,7 +593,7 @@ var g9 = `${ 3 & 4 }5` * 6;
 var h9 = `2${ 3 & 4 }5` * 6;
 >h9 : number
 >`2${ 3 & 4 }5` * 6 : number
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -603,7 +603,7 @@ var aa = 1 & `${ 3 - 4 }`;
 >aa : number
 >1 & `${ 3 - 4 }` : number
 >1 : 1
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -612,7 +612,7 @@ var ba = 1 & `2${ 3 - 4 }`;
 >ba : number
 >1 & `2${ 3 - 4 }` : number
 >1 : 1
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -621,7 +621,7 @@ var ca = 1 & `${ 3 - 4 }5`;
 >ca : number
 >1 & `${ 3 - 4 }5` : number
 >1 : 1
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -630,7 +630,7 @@ var da = 1 & `2${ 3 - 4 }5`;
 >da : number
 >1 & `2${ 3 - 4 }5` : number
 >1 : 1
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -638,7 +638,7 @@ var da = 1 & `2${ 3 - 4 }5`;
 var ea = `${ 3 - 4 }` & 6;
 >ea : number
 >`${ 3 - 4 }` & 6 : number
->`${ 3 - 4 }` : string
+>`${ 3 - 4 }` : `${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -647,7 +647,7 @@ var ea = `${ 3 - 4 }` & 6;
 var fa = `2${ 3 - 4 }` & 6;
 >fa : number
 >`2${ 3 - 4 }` & 6 : number
->`2${ 3 - 4 }` : string
+>`2${ 3 - 4 }` : `2${number}`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -656,7 +656,7 @@ var fa = `2${ 3 - 4 }` & 6;
 var ga = `${ 3 - 4 }5` & 6;
 >ga : number
 >`${ 3 - 4 }5` & 6 : number
->`${ 3 - 4 }5` : string
+>`${ 3 - 4 }5` : `${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -665,7 +665,7 @@ var ga = `${ 3 - 4 }5` & 6;
 var ha = `2${ 3 - 4 }5` & 6;
 >ha : number
 >`2${ 3 - 4 }5` & 6 : number
->`2${ 3 - 4 }5` : string
+>`2${ 3 - 4 }5` : `2${number}5`
 >3 - 4 : number
 >3 : 3
 >4 : 4
@@ -675,7 +675,7 @@ var ab = 1 & `${ 3 * 4 }`;
 >ab : number
 >1 & `${ 3 * 4 }` : number
 >1 : 1
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -684,7 +684,7 @@ var bb = 1 & `2${ 3 * 4 }`;
 >bb : number
 >1 & `2${ 3 * 4 }` : number
 >1 : 1
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -693,7 +693,7 @@ var cb = 1 & `${ 3 * 4 }5`;
 >cb : number
 >1 & `${ 3 * 4 }5` : number
 >1 : 1
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -702,7 +702,7 @@ var db = 1 & `2${ 3 * 4 }5`;
 >db : number
 >1 & `2${ 3 * 4 }5` : number
 >1 : 1
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -710,7 +710,7 @@ var db = 1 & `2${ 3 * 4 }5`;
 var eb = `${ 3 * 4 }` & 6;
 >eb : number
 >`${ 3 * 4 }` & 6 : number
->`${ 3 * 4 }` : string
+>`${ 3 * 4 }` : `${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -719,7 +719,7 @@ var eb = `${ 3 * 4 }` & 6;
 var fb = `2${ 3 * 4 }` & 6;
 >fb : number
 >`2${ 3 * 4 }` & 6 : number
->`2${ 3 * 4 }` : string
+>`2${ 3 * 4 }` : `2${number}`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -728,7 +728,7 @@ var fb = `2${ 3 * 4 }` & 6;
 var gb = `${ 3 * 4 }5` & 6;
 >gb : number
 >`${ 3 * 4 }5` & 6 : number
->`${ 3 * 4 }5` : string
+>`${ 3 * 4 }5` : `${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -737,7 +737,7 @@ var gb = `${ 3 * 4 }5` & 6;
 var hb = `2${ 3 * 4 }5` & 6;
 >hb : number
 >`2${ 3 * 4 }5` & 6 : number
->`2${ 3 * 4 }5` : string
+>`2${ 3 * 4 }5` : `2${number}5`
 >3 * 4 : number
 >3 : 3
 >4 : 4
@@ -747,7 +747,7 @@ var ac = 1 & `${ 3 & 4 }`;
 >ac : number
 >1 & `${ 3 & 4 }` : number
 >1 : 1
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -756,7 +756,7 @@ var bc = 1 & `2${ 3 & 4 }`;
 >bc : number
 >1 & `2${ 3 & 4 }` : number
 >1 : 1
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -765,7 +765,7 @@ var cc = 1 & `${ 3 & 4 }5`;
 >cc : number
 >1 & `${ 3 & 4 }5` : number
 >1 : 1
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -774,7 +774,7 @@ var dc = 1 & `2${ 3 & 4 }5`;
 >dc : number
 >1 & `2${ 3 & 4 }5` : number
 >1 : 1
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -782,7 +782,7 @@ var dc = 1 & `2${ 3 & 4 }5`;
 var ec = `${ 3 & 4 }` & 6;
 >ec : number
 >`${ 3 & 4 }` & 6 : number
->`${ 3 & 4 }` : string
+>`${ 3 & 4 }` : `${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -791,7 +791,7 @@ var ec = `${ 3 & 4 }` & 6;
 var fc = `2${ 3 & 4 }` & 6;
 >fc : number
 >`2${ 3 & 4 }` & 6 : number
->`2${ 3 & 4 }` : string
+>`2${ 3 & 4 }` : `2${number}`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -800,7 +800,7 @@ var fc = `2${ 3 & 4 }` & 6;
 var gc = `${ 3 & 4 }5` & 6;
 >gc : number
 >`${ 3 & 4 }5` & 6 : number
->`${ 3 & 4 }5` : string
+>`${ 3 & 4 }5` : `${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
@@ -809,7 +809,7 @@ var gc = `${ 3 & 4 }5` & 6;
 var hc = `2${ 3 & 4 }5` & 6;
 >hc : number
 >`2${ 3 & 4 }5` & 6 : number
->`2${ 3 & 4 }5` : string
+>`2${ 3 & 4 }5` : `2${number}5`
 >3 & 4 : number
 >3 : 3
 >4 : 4
diff --git a/tests/baselines/reference/templateStringInArray.types b/tests/baselines/reference/templateStringInArray.types
index 03271a5dcd7c0..220b0b923d1f6 100644
--- a/tests/baselines/reference/templateStringInArray.types
+++ b/tests/baselines/reference/templateStringInArray.types
@@ -4,6 +4,6 @@ var x = [1, 2, `abc${ 123 }def`];
 >[1, 2, `abc${ 123 }def`] : (string | number)[]
 >1 : 1
 >2 : 2
->`abc${ 123 }def` : string
+>`abc${ 123 }def` : "abc123def"
 >123 : 123
 
diff --git a/tests/baselines/reference/templateStringInArrowFunction.types b/tests/baselines/reference/templateStringInArrowFunction.types
index a059e440d5a84..326e20d62255f 100644
--- a/tests/baselines/reference/templateStringInArrowFunction.types
+++ b/tests/baselines/reference/templateStringInArrowFunction.types
@@ -1,8 +1,8 @@
 === tests/cases/conformance/es6/templates/templateStringInArrowFunction.ts ===
 var x = x => `abc${ x }def`;
->x : (x: any) => string
->x => `abc${ x }def` : (x: any) => string
+>x : (x: any) => `abc${any}def`
+>x => `abc${ x }def` : (x: any) => `abc${any}def`
 >x : any
->`abc${ x }def` : string
+>`abc${ x }def` : `abc${any}def`
 >x : any
 
diff --git a/tests/baselines/reference/templateStringInArrowFunctionES6.types b/tests/baselines/reference/templateStringInArrowFunctionES6.types
index 72611067793df..67b82c570f05a 100644
--- a/tests/baselines/reference/templateStringInArrowFunctionES6.types
+++ b/tests/baselines/reference/templateStringInArrowFunctionES6.types
@@ -1,8 +1,8 @@
 === tests/cases/conformance/es6/templates/templateStringInArrowFunctionES6.ts ===
 var x = x => `abc${ x }def`;
->x : (x: any) => string
->x => `abc${ x }def` : (x: any) => string
+>x : (x: any) => `abc${any}def`
+>x => `abc${ x }def` : (x: any) => `abc${any}def`
 >x : any
->`abc${ x }def` : string
+>`abc${ x }def` : `abc${any}def`
 >x : any
 
diff --git a/tests/baselines/reference/templateStringInCallExpression.types b/tests/baselines/reference/templateStringInCallExpression.types
index ef1bcca2fa4da..4f77d60947ef5 100644
--- a/tests/baselines/reference/templateStringInCallExpression.types
+++ b/tests/baselines/reference/templateStringInCallExpression.types
@@ -1,11 +1,11 @@
 === tests/cases/conformance/es6/templates/templateStringInCallExpression.ts ===
 `abc${0}abc`(`hello ${0} world`, `   `, `1${2}3`);
 >`abc${0}abc`(`hello ${0} world`, `   `, `1${2}3`) : any
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
->`hello ${0} world` : string
+>`hello ${0} world` : "hello 0 world"
 >0 : 0
 >`   ` : "   "
->`1${2}3` : string
+>`1${2}3` : "123"
 >2 : 2
 
diff --git a/tests/baselines/reference/templateStringInCallExpressionES6.types b/tests/baselines/reference/templateStringInCallExpressionES6.types
index f0c75c7828db5..6878494406edf 100644
--- a/tests/baselines/reference/templateStringInCallExpressionES6.types
+++ b/tests/baselines/reference/templateStringInCallExpressionES6.types
@@ -1,11 +1,11 @@
 === tests/cases/conformance/es6/templates/templateStringInCallExpressionES6.ts ===
 `abc${0}abc`(`hello ${0} world`, `   `, `1${2}3`);
 >`abc${0}abc`(`hello ${0} world`, `   `, `1${2}3`) : any
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
->`hello ${0} world` : string
+>`hello ${0} world` : "hello 0 world"
 >0 : 0
 >`   ` : "   "
->`1${2}3` : string
+>`1${2}3` : "123"
 >2 : 2
 
diff --git a/tests/baselines/reference/templateStringInConditional.types b/tests/baselines/reference/templateStringInConditional.types
index a375d572a5df1..07419cc1e8913 100644
--- a/tests/baselines/reference/templateStringInConditional.types
+++ b/tests/baselines/reference/templateStringInConditional.types
@@ -1,11 +1,11 @@
 === tests/cases/conformance/es6/templates/templateStringInConditional.ts ===
 var x = `abc${ " " }def` ? `abc${ " " }def` : `abc${ " " }def`;
 >x : string
->`abc${ " " }def` ? `abc${ " " }def` : `abc${ " " }def` : string
->`abc${ " " }def` : string
+>`abc${ " " }def` ? `abc${ " " }def` : `abc${ " " }def` : "abc def"
+>`abc${ " " }def` : "abc def"
 >" " : " "
->`abc${ " " }def` : string
+>`abc${ " " }def` : "abc def"
 >" " : " "
->`abc${ " " }def` : string
+>`abc${ " " }def` : "abc def"
 >" " : " "
 
diff --git a/tests/baselines/reference/templateStringInConditionalES6.types b/tests/baselines/reference/templateStringInConditionalES6.types
index 0f65ab2297743..25a00f77091b3 100644
--- a/tests/baselines/reference/templateStringInConditionalES6.types
+++ b/tests/baselines/reference/templateStringInConditionalES6.types
@@ -1,11 +1,11 @@
 === tests/cases/conformance/es6/templates/templateStringInConditionalES6.ts ===
 var x = `abc${ " " }def` ? `abc${ " " }def` : `abc${ " " }def`;
 >x : string
->`abc${ " " }def` ? `abc${ " " }def` : `abc${ " " }def` : string
->`abc${ " " }def` : string
+>`abc${ " " }def` ? `abc${ " " }def` : `abc${ " " }def` : "abc def"
+>`abc${ " " }def` : "abc def"
 >" " : " "
->`abc${ " " }def` : string
+>`abc${ " " }def` : "abc def"
 >" " : " "
->`abc${ " " }def` : string
+>`abc${ " " }def` : "abc def"
 >" " : " "
 
diff --git a/tests/baselines/reference/templateStringInDeleteExpression.types b/tests/baselines/reference/templateStringInDeleteExpression.types
index 1ae84e4e2ff53..5abeb123965d6 100644
--- a/tests/baselines/reference/templateStringInDeleteExpression.types
+++ b/tests/baselines/reference/templateStringInDeleteExpression.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/templateStringInDeleteExpression.ts ===
 delete `abc${0}abc`;
 >delete `abc${0}abc` : boolean
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
diff --git a/tests/baselines/reference/templateStringInDeleteExpressionES6.types b/tests/baselines/reference/templateStringInDeleteExpressionES6.types
index 80569e533e42b..e3ed5d4fd47dd 100644
--- a/tests/baselines/reference/templateStringInDeleteExpressionES6.types
+++ b/tests/baselines/reference/templateStringInDeleteExpressionES6.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/templateStringInDeleteExpressionES6.ts ===
 delete `abc${0}abc`;
 >delete `abc${0}abc` : boolean
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
diff --git a/tests/baselines/reference/templateStringInDivision.types b/tests/baselines/reference/templateStringInDivision.types
index 1afbd71fda1b4..b6d2a45c4b38e 100644
--- a/tests/baselines/reference/templateStringInDivision.types
+++ b/tests/baselines/reference/templateStringInDivision.types
@@ -2,7 +2,7 @@
 var x = `abc${ 1 }def` / 1;
 >x : number
 >`abc${ 1 }def` / 1 : number
->`abc${ 1 }def` : string
+>`abc${ 1 }def` : "abc1def"
 >1 : 1
 >1 : 1
 
diff --git a/tests/baselines/reference/templateStringInEqualityChecks.errors.txt b/tests/baselines/reference/templateStringInEqualityChecks.errors.txt
new file mode 100644
index 0000000000000..6d765999b43d4
--- /dev/null
+++ b/tests/baselines/reference/templateStringInEqualityChecks.errors.txt
@@ -0,0 +1,13 @@
+tests/cases/conformance/es6/templates/templateStringInEqualityChecks.ts(1,9): error TS2367: This condition will always return 'false' since the types '"abc0abc"' and '"abc"' have no overlap.
+tests/cases/conformance/es6/templates/templateStringInEqualityChecks.ts(2,9): error TS2367: This condition will always return 'true' since the types '"abc"' and '"abc0abc"' have no overlap.
+
+
+==== tests/cases/conformance/es6/templates/templateStringInEqualityChecks.ts (2 errors) ====
+    var x = `abc${0}abc` === `abc` ||
+            ~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2367: This condition will always return 'false' since the types '"abc0abc"' and '"abc"' have no overlap.
+            `abc` !== `abc${0}abc` &&
+            ~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2367: This condition will always return 'true' since the types '"abc"' and '"abc0abc"' have no overlap.
+            `abc${0}abc` == "abc0abc" &&
+            "abc0abc" !== `abc${0}abc`;
\ No newline at end of file
diff --git a/tests/baselines/reference/templateStringInEqualityChecks.types b/tests/baselines/reference/templateStringInEqualityChecks.types
index cddc533a23947..3cf7469e28dcd 100644
--- a/tests/baselines/reference/templateStringInEqualityChecks.types
+++ b/tests/baselines/reference/templateStringInEqualityChecks.types
@@ -3,7 +3,7 @@ var x = `abc${0}abc` === `abc` ||
 >x : boolean
 >`abc${0}abc` === `abc` ||        `abc` !== `abc${0}abc` &&        `abc${0}abc` == "abc0abc" &&        "abc0abc" !== `abc${0}abc` : boolean
 >`abc${0}abc` === `abc` : boolean
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 >`abc` : "abc"
 
@@ -12,18 +12,18 @@ var x = `abc${0}abc` === `abc` ||
 >`abc` !== `abc${0}abc` &&        `abc${0}abc` == "abc0abc" : boolean
 >`abc` !== `abc${0}abc` : boolean
 >`abc` : "abc"
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
         `abc${0}abc` == "abc0abc" &&
 >`abc${0}abc` == "abc0abc" : boolean
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 >"abc0abc" : "abc0abc"
 
         "abc0abc" !== `abc${0}abc`;
 >"abc0abc" !== `abc${0}abc` : boolean
 >"abc0abc" : "abc0abc"
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
diff --git a/tests/baselines/reference/templateStringInEqualityChecksES6.errors.txt b/tests/baselines/reference/templateStringInEqualityChecksES6.errors.txt
new file mode 100644
index 0000000000000..095914c97be00
--- /dev/null
+++ b/tests/baselines/reference/templateStringInEqualityChecksES6.errors.txt
@@ -0,0 +1,13 @@
+tests/cases/conformance/es6/templates/templateStringInEqualityChecksES6.ts(1,9): error TS2367: This condition will always return 'false' since the types '"abc0abc"' and '"abc"' have no overlap.
+tests/cases/conformance/es6/templates/templateStringInEqualityChecksES6.ts(2,9): error TS2367: This condition will always return 'true' since the types '"abc"' and '"abc0abc"' have no overlap.
+
+
+==== tests/cases/conformance/es6/templates/templateStringInEqualityChecksES6.ts (2 errors) ====
+    var x = `abc${0}abc` === `abc` ||
+            ~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2367: This condition will always return 'false' since the types '"abc0abc"' and '"abc"' have no overlap.
+            `abc` !== `abc${0}abc` &&
+            ~~~~~~~~~~~~~~~~~~~~~~
+!!! error TS2367: This condition will always return 'true' since the types '"abc"' and '"abc0abc"' have no overlap.
+            `abc${0}abc` == "abc0abc" &&
+            "abc0abc" !== `abc${0}abc`;
\ No newline at end of file
diff --git a/tests/baselines/reference/templateStringInEqualityChecksES6.types b/tests/baselines/reference/templateStringInEqualityChecksES6.types
index 58a243007256e..f67cb61cbcaff 100644
--- a/tests/baselines/reference/templateStringInEqualityChecksES6.types
+++ b/tests/baselines/reference/templateStringInEqualityChecksES6.types
@@ -3,7 +3,7 @@ var x = `abc${0}abc` === `abc` ||
 >x : boolean
 >`abc${0}abc` === `abc` ||        `abc` !== `abc${0}abc` &&        `abc${0}abc` == "abc0abc" &&        "abc0abc" !== `abc${0}abc` : boolean
 >`abc${0}abc` === `abc` : boolean
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 >`abc` : "abc"
 
@@ -12,18 +12,18 @@ var x = `abc${0}abc` === `abc` ||
 >`abc` !== `abc${0}abc` &&        `abc${0}abc` == "abc0abc" : boolean
 >`abc` !== `abc${0}abc` : boolean
 >`abc` : "abc"
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
         `abc${0}abc` == "abc0abc" &&
 >`abc${0}abc` == "abc0abc" : boolean
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 >"abc0abc" : "abc0abc"
 
         "abc0abc" !== `abc${0}abc`;
 >"abc0abc" !== `abc${0}abc` : boolean
 >"abc0abc" : "abc0abc"
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
diff --git a/tests/baselines/reference/templateStringInFunctionExpression.types b/tests/baselines/reference/templateStringInFunctionExpression.types
index af92d867acd70..7c32e1e5858cb 100644
--- a/tests/baselines/reference/templateStringInFunctionExpression.types
+++ b/tests/baselines/reference/templateStringInFunctionExpression.types
@@ -5,11 +5,11 @@ var x = function y() {
 >y : () => string
 
     `abc${ 0 }def`
->`abc${ 0 }def` : string
+>`abc${ 0 }def` : "abc0def"
 >0 : 0
 
     return `abc${ 0 }def`;
->`abc${ 0 }def` : string
+>`abc${ 0 }def` : "abc0def"
 >0 : 0
 
 };
diff --git a/tests/baselines/reference/templateStringInFunctionExpressionES6.types b/tests/baselines/reference/templateStringInFunctionExpressionES6.types
index 2ab90b9e37404..e7a310a7f0607 100644
--- a/tests/baselines/reference/templateStringInFunctionExpressionES6.types
+++ b/tests/baselines/reference/templateStringInFunctionExpressionES6.types
@@ -5,11 +5,11 @@ var x = function y() {
 >y : () => string
 
     `abc${ 0 }def`
->`abc${ 0 }def` : string
+>`abc${ 0 }def` : "abc0def"
 >0 : 0
 
     return `abc${ 0 }def`;
->`abc${ 0 }def` : string
+>`abc${ 0 }def` : "abc0def"
 >0 : 0
 
 };
diff --git a/tests/baselines/reference/templateStringInInOperator.types b/tests/baselines/reference/templateStringInInOperator.types
index 5ed944af49626..2c00b2f40a1e3 100644
--- a/tests/baselines/reference/templateStringInInOperator.types
+++ b/tests/baselines/reference/templateStringInInOperator.types
@@ -2,7 +2,7 @@
 var x = `${ "hi" }` in { hi: 10, hello: 20};
 >x : boolean
 >`${ "hi" }` in { hi: 10, hello: 20} : boolean
->`${ "hi" }` : string
+>`${ "hi" }` : "hi"
 >"hi" : "hi"
 >{ hi: 10, hello: 20} : { hi: number; hello: number; }
 >hi : number
diff --git a/tests/baselines/reference/templateStringInInOperatorES6.types b/tests/baselines/reference/templateStringInInOperatorES6.types
index 335b77380c2ad..c78a128a28f3c 100644
--- a/tests/baselines/reference/templateStringInInOperatorES6.types
+++ b/tests/baselines/reference/templateStringInInOperatorES6.types
@@ -2,7 +2,7 @@
 var x = `${ "hi" }` in { hi: 10, hello: 20};
 >x : boolean
 >`${ "hi" }` in { hi: 10, hello: 20} : boolean
->`${ "hi" }` : string
+>`${ "hi" }` : "hi"
 >"hi" : "hi"
 >{ hi: 10, hello: 20} : { hi: number; hello: number; }
 >hi : number
diff --git a/tests/baselines/reference/templateStringInIndexExpression.types b/tests/baselines/reference/templateStringInIndexExpression.types
index 9ad6b1e141db0..5d05878b17cf7 100644
--- a/tests/baselines/reference/templateStringInIndexExpression.types
+++ b/tests/baselines/reference/templateStringInIndexExpression.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringInIndexExpression.ts ===
 `abc${0}abc`[`0`];
 >`abc${0}abc`[`0`] : error
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 >`0` : "0"
 
diff --git a/tests/baselines/reference/templateStringInIndexExpressionES6.types b/tests/baselines/reference/templateStringInIndexExpressionES6.types
index d86fb2309e72b..aef018ff0f927 100644
--- a/tests/baselines/reference/templateStringInIndexExpressionES6.types
+++ b/tests/baselines/reference/templateStringInIndexExpressionES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringInIndexExpressionES6.ts ===
 `abc${0}abc`[`0`];
 >`abc${0}abc`[`0`] : error
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 >`0` : "0"
 
diff --git a/tests/baselines/reference/templateStringInInstanceOf.types b/tests/baselines/reference/templateStringInInstanceOf.types
index 244d008da5252..a551448dd38e9 100644
--- a/tests/baselines/reference/templateStringInInstanceOf.types
+++ b/tests/baselines/reference/templateStringInInstanceOf.types
@@ -2,7 +2,7 @@
 var x = `abc${ 0 }def` instanceof String;
 >x : boolean
 >`abc${ 0 }def` instanceof String : boolean
->`abc${ 0 }def` : string
+>`abc${ 0 }def` : "abc0def"
 >0 : 0
 >String : StringConstructor
 
diff --git a/tests/baselines/reference/templateStringInInstanceOfES6.types b/tests/baselines/reference/templateStringInInstanceOfES6.types
index c93393def3831..396c6da8e9d0c 100644
--- a/tests/baselines/reference/templateStringInInstanceOfES6.types
+++ b/tests/baselines/reference/templateStringInInstanceOfES6.types
@@ -2,7 +2,7 @@
 var x = `abc${ 0 }def` instanceof String;
 >x : boolean
 >`abc${ 0 }def` instanceof String : boolean
->`abc${ 0 }def` : string
+>`abc${ 0 }def` : "abc0def"
 >0 : 0
 >String : StringConstructor
 
diff --git a/tests/baselines/reference/templateStringInModuleName.types b/tests/baselines/reference/templateStringInModuleName.types
index 8ebf16e05d2f8..9258b48d4dd34 100644
--- a/tests/baselines/reference/templateStringInModuleName.types
+++ b/tests/baselines/reference/templateStringInModuleName.types
@@ -10,6 +10,6 @@ declare module `M${2}` {
 >declare : any
 >module `M${2}` : any
 >module : any
->`M${2}` : string
+>`M${2}` : "M2"
 >2 : 2
 }
diff --git a/tests/baselines/reference/templateStringInModuleNameES6.types b/tests/baselines/reference/templateStringInModuleNameES6.types
index 9e7aaafd9ea93..0efaf18adfbab 100644
--- a/tests/baselines/reference/templateStringInModuleNameES6.types
+++ b/tests/baselines/reference/templateStringInModuleNameES6.types
@@ -10,6 +10,6 @@ declare module `M${2}` {
 >declare : any
 >module `M${2}` : any
 >module : any
->`M${2}` : string
+>`M${2}` : "M2"
 >2 : 2
 }
diff --git a/tests/baselines/reference/templateStringInModulo.types b/tests/baselines/reference/templateStringInModulo.types
index c348299718224..77413a081d2fc 100644
--- a/tests/baselines/reference/templateStringInModulo.types
+++ b/tests/baselines/reference/templateStringInModulo.types
@@ -3,6 +3,6 @@ var x = 1 % `abc${ 1 }def`;
 >x : number
 >1 % `abc${ 1 }def` : number
 >1 : 1
->`abc${ 1 }def` : string
+>`abc${ 1 }def` : "abc1def"
 >1 : 1
 
diff --git a/tests/baselines/reference/templateStringInModuloES6.types b/tests/baselines/reference/templateStringInModuloES6.types
index 8d515d3f4444b..a4052ee2acd0d 100644
--- a/tests/baselines/reference/templateStringInModuloES6.types
+++ b/tests/baselines/reference/templateStringInModuloES6.types
@@ -3,6 +3,6 @@ var x = 1 % `abc${ 1 }def`;
 >x : number
 >1 % `abc${ 1 }def` : number
 >1 : 1
->`abc${ 1 }def` : string
+>`abc${ 1 }def` : "abc1def"
 >1 : 1
 
diff --git a/tests/baselines/reference/templateStringInMultiplication.types b/tests/baselines/reference/templateStringInMultiplication.types
index 133330698e55e..3cc2aaa075afd 100644
--- a/tests/baselines/reference/templateStringInMultiplication.types
+++ b/tests/baselines/reference/templateStringInMultiplication.types
@@ -3,6 +3,6 @@ var x = 1 * `abc${ 1 }def`;
 >x : number
 >1 * `abc${ 1 }def` : number
 >1 : 1
->`abc${ 1 }def` : string
+>`abc${ 1 }def` : "abc1def"
 >1 : 1
 
diff --git a/tests/baselines/reference/templateStringInMultiplicationES6.types b/tests/baselines/reference/templateStringInMultiplicationES6.types
index 7bc4663bfc5d4..2e4513a2c054d 100644
--- a/tests/baselines/reference/templateStringInMultiplicationES6.types
+++ b/tests/baselines/reference/templateStringInMultiplicationES6.types
@@ -3,6 +3,6 @@ var x = 1 * `abc${ 1 }def`;
 >x : number
 >1 * `abc${ 1 }def` : number
 >1 : 1
->`abc${ 1 }def` : string
+>`abc${ 1 }def` : "abc1def"
 >1 : 1
 
diff --git a/tests/baselines/reference/templateStringInNewExpression.types b/tests/baselines/reference/templateStringInNewExpression.types
index c4bc213db14b9..1c58cec14d9ff 100644
--- a/tests/baselines/reference/templateStringInNewExpression.types
+++ b/tests/baselines/reference/templateStringInNewExpression.types
@@ -1,11 +1,11 @@
 === tests/cases/conformance/es6/templates/templateStringInNewExpression.ts ===
 new `abc${0}abc`(`hello ${0} world`, `   `, `1${2}3`);
 >new `abc${0}abc`(`hello ${0} world`, `   `, `1${2}3`) : any
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
->`hello ${0} world` : string
+>`hello ${0} world` : "hello 0 world"
 >0 : 0
 >`   ` : "   "
->`1${2}3` : string
+>`1${2}3` : "123"
 >2 : 2
 
diff --git a/tests/baselines/reference/templateStringInNewExpressionES6.types b/tests/baselines/reference/templateStringInNewExpressionES6.types
index 284f59bab1d12..ef18f9a3b748e 100644
--- a/tests/baselines/reference/templateStringInNewExpressionES6.types
+++ b/tests/baselines/reference/templateStringInNewExpressionES6.types
@@ -1,11 +1,11 @@
 === tests/cases/conformance/es6/templates/templateStringInNewExpressionES6.ts ===
 new `abc${0}abc`(`hello ${0} world`, `   `, `1${2}3`);
 >new `abc${0}abc`(`hello ${0} world`, `   `, `1${2}3`) : any
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
->`hello ${0} world` : string
+>`hello ${0} world` : "hello 0 world"
 >0 : 0
 >`   ` : "   "
->`1${2}3` : string
+>`1${2}3` : "123"
 >2 : 2
 
diff --git a/tests/baselines/reference/templateStringInNewOperator.types b/tests/baselines/reference/templateStringInNewOperator.types
index c3853ed431e6c..e35f6d8fa03a2 100644
--- a/tests/baselines/reference/templateStringInNewOperator.types
+++ b/tests/baselines/reference/templateStringInNewOperator.types
@@ -2,6 +2,6 @@
 var x = new `abc${ 1 }def`;
 >x : any
 >new `abc${ 1 }def` : any
->`abc${ 1 }def` : string
+>`abc${ 1 }def` : "abc1def"
 >1 : 1
 
diff --git a/tests/baselines/reference/templateStringInNewOperatorES6.types b/tests/baselines/reference/templateStringInNewOperatorES6.types
index ff6a9dbfb2924..fccea6b14c983 100644
--- a/tests/baselines/reference/templateStringInNewOperatorES6.types
+++ b/tests/baselines/reference/templateStringInNewOperatorES6.types
@@ -2,6 +2,6 @@
 var x = new `abc${ 1 }def`;
 >x : any
 >new `abc${ 1 }def` : any
->`abc${ 1 }def` : string
+>`abc${ 1 }def` : "abc1def"
 >1 : 1
 
diff --git a/tests/baselines/reference/templateStringInObjectLiteral.types b/tests/baselines/reference/templateStringInObjectLiteral.types
index e0ebb07e8b9e1..c796962283c3f 100644
--- a/tests/baselines/reference/templateStringInObjectLiteral.types
+++ b/tests/baselines/reference/templateStringInObjectLiteral.types
@@ -6,7 +6,7 @@ var x = {
 
     a: `abc${ 123 }def`,
 >a : string
->`abc${ 123 }def` : string
+>`abc${ 123 }def` : "abc123def"
 >123 : 123
 
     `b`: 321
diff --git a/tests/baselines/reference/templateStringInObjectLiteralES6.types b/tests/baselines/reference/templateStringInObjectLiteralES6.types
index 30797e78c6b76..ae46359177bda 100644
--- a/tests/baselines/reference/templateStringInObjectLiteralES6.types
+++ b/tests/baselines/reference/templateStringInObjectLiteralES6.types
@@ -6,7 +6,7 @@ var x = {
 
     a: `abc${ 123 }def`,
 >a : string
->`abc${ 123 }def` : string
+>`abc${ 123 }def` : "abc123def"
 >123 : 123
 
     `b`: 321
diff --git a/tests/baselines/reference/templateStringInParentheses.types b/tests/baselines/reference/templateStringInParentheses.types
index ca9b328d5b5a1..c69dce0b49e73 100644
--- a/tests/baselines/reference/templateStringInParentheses.types
+++ b/tests/baselines/reference/templateStringInParentheses.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringInParentheses.ts ===
 var x = (`abc${0}abc`);
 >x : string
->(`abc${0}abc`) : string
->`abc${0}abc` : string
+>(`abc${0}abc`) : "abc0abc"
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
diff --git a/tests/baselines/reference/templateStringInParenthesesES6.types b/tests/baselines/reference/templateStringInParenthesesES6.types
index 518ad88091865..5b0986aee052c 100644
--- a/tests/baselines/reference/templateStringInParenthesesES6.types
+++ b/tests/baselines/reference/templateStringInParenthesesES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringInParenthesesES6.ts ===
 var x = (`abc${0}abc`);
 >x : string
->(`abc${0}abc`) : string
->`abc${0}abc` : string
+>(`abc${0}abc`) : "abc0abc"
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
diff --git a/tests/baselines/reference/templateStringInPropertyAssignment.types b/tests/baselines/reference/templateStringInPropertyAssignment.types
index c47a921e94117..6850229d1ef16 100644
--- a/tests/baselines/reference/templateStringInPropertyAssignment.types
+++ b/tests/baselines/reference/templateStringInPropertyAssignment.types
@@ -5,7 +5,7 @@ var x = {
 
     a: `abc${ 123 }def${ 456 }ghi`
 >a : string
->`abc${ 123 }def${ 456 }ghi` : string
+>`abc${ 123 }def${ 456 }ghi` : "abc123def456ghi"
 >123 : 123
 >456 : 456
 }
diff --git a/tests/baselines/reference/templateStringInPropertyAssignmentES6.types b/tests/baselines/reference/templateStringInPropertyAssignmentES6.types
index 43a9e0f5507ff..a0dafd6663899 100644
--- a/tests/baselines/reference/templateStringInPropertyAssignmentES6.types
+++ b/tests/baselines/reference/templateStringInPropertyAssignmentES6.types
@@ -5,7 +5,7 @@ var x = {
 
     a: `abc${ 123 }def${ 456 }ghi`
 >a : string
->`abc${ 123 }def${ 456 }ghi` : string
+>`abc${ 123 }def${ 456 }ghi` : "abc123def456ghi"
 >123 : 123
 >456 : 456
 }
diff --git a/tests/baselines/reference/templateStringInPropertyName2.types b/tests/baselines/reference/templateStringInPropertyName2.types
index 627abc040c022..5e3652e3e9ae2 100644
--- a/tests/baselines/reference/templateStringInPropertyName2.types
+++ b/tests/baselines/reference/templateStringInPropertyName2.types
@@ -5,7 +5,7 @@ var x = {
 >{ : {}
 
     `abc${ 123 }def${ 456 }ghi`: 321
->`abc${ 123 }def${ 456 }ghi` : string
+>`abc${ 123 }def${ 456 }ghi` : "abc123def456ghi"
 >123 : 123
 >456 : 456
 >321 : 321
diff --git a/tests/baselines/reference/templateStringInPropertyNameES6_2.types b/tests/baselines/reference/templateStringInPropertyNameES6_2.types
index ff96d8155db6a..92868155b71ac 100644
--- a/tests/baselines/reference/templateStringInPropertyNameES6_2.types
+++ b/tests/baselines/reference/templateStringInPropertyNameES6_2.types
@@ -5,7 +5,7 @@ var x = {
 >{ : {}
 
     `abc${ 123 }def${ 456 }ghi`: 321
->`abc${ 123 }def${ 456 }ghi` : string
+>`abc${ 123 }def${ 456 }ghi` : "abc123def456ghi"
 >123 : 123
 >456 : 456
 >321 : 321
diff --git a/tests/baselines/reference/templateStringInSwitchAndCase.errors.txt b/tests/baselines/reference/templateStringInSwitchAndCase.errors.txt
new file mode 100644
index 0000000000000..5c7ea1e95376d
--- /dev/null
+++ b/tests/baselines/reference/templateStringInSwitchAndCase.errors.txt
@@ -0,0 +1,15 @@
+tests/cases/conformance/es6/templates/templateStringInSwitchAndCase.ts(2,10): error TS2678: Type '"abc"' is not comparable to type '"abc0abc"'.
+tests/cases/conformance/es6/templates/templateStringInSwitchAndCase.ts(3,10): error TS2678: Type '"123"' is not comparable to type '"abc0abc"'.
+
+
+==== tests/cases/conformance/es6/templates/templateStringInSwitchAndCase.ts (2 errors) ====
+    switch (`abc${0}abc`) {
+        case `abc`:
+             ~~~~~
+!!! error TS2678: Type '"abc"' is not comparable to type '"abc0abc"'.
+        case `123`:
+             ~~~~~
+!!! error TS2678: Type '"123"' is not comparable to type '"abc0abc"'.
+        case `abc${0}abc`:
+            `def${1}def`;
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/templateStringInSwitchAndCase.types b/tests/baselines/reference/templateStringInSwitchAndCase.types
index d54891ff05159..b7b148cc77066 100644
--- a/tests/baselines/reference/templateStringInSwitchAndCase.types
+++ b/tests/baselines/reference/templateStringInSwitchAndCase.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/templateStringInSwitchAndCase.ts ===
 switch (`abc${0}abc`) {
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
     case `abc`:
@@ -10,10 +10,10 @@ switch (`abc${0}abc`) {
 >`123` : "123"
 
     case `abc${0}abc`:
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
         `def${1}def`;
->`def${1}def` : string
+>`def${1}def` : "def1def"
 >1 : 1
 }
diff --git a/tests/baselines/reference/templateStringInSwitchAndCaseES6.errors.txt b/tests/baselines/reference/templateStringInSwitchAndCaseES6.errors.txt
new file mode 100644
index 0000000000000..ef11779c794cf
--- /dev/null
+++ b/tests/baselines/reference/templateStringInSwitchAndCaseES6.errors.txt
@@ -0,0 +1,15 @@
+tests/cases/conformance/es6/templates/templateStringInSwitchAndCaseES6.ts(2,10): error TS2678: Type '"abc"' is not comparable to type '"abc0abc"'.
+tests/cases/conformance/es6/templates/templateStringInSwitchAndCaseES6.ts(3,10): error TS2678: Type '"123"' is not comparable to type '"abc0abc"'.
+
+
+==== tests/cases/conformance/es6/templates/templateStringInSwitchAndCaseES6.ts (2 errors) ====
+    switch (`abc${0}abc`) {
+        case `abc`:
+             ~~~~~
+!!! error TS2678: Type '"abc"' is not comparable to type '"abc0abc"'.
+        case `123`:
+             ~~~~~
+!!! error TS2678: Type '"123"' is not comparable to type '"abc0abc"'.
+        case `abc${0}abc`:
+            `def${1}def`;
+    }
\ No newline at end of file
diff --git a/tests/baselines/reference/templateStringInSwitchAndCaseES6.types b/tests/baselines/reference/templateStringInSwitchAndCaseES6.types
index 8c7c4fee2c1b0..80afd347a9892 100644
--- a/tests/baselines/reference/templateStringInSwitchAndCaseES6.types
+++ b/tests/baselines/reference/templateStringInSwitchAndCaseES6.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/templateStringInSwitchAndCaseES6.ts ===
 switch (`abc${0}abc`) {
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
     case `abc`:
@@ -10,10 +10,10 @@ switch (`abc${0}abc`) {
 >`123` : "123"
 
     case `abc${0}abc`:
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
         `def${1}def`;
->`def${1}def` : string
+>`def${1}def` : "def1def"
 >1 : 1
 }
diff --git a/tests/baselines/reference/templateStringInTaggedTemplate.types b/tests/baselines/reference/templateStringInTaggedTemplate.types
index 6c4a059bed3b1..f1eead3fb9d8d 100644
--- a/tests/baselines/reference/templateStringInTaggedTemplate.types
+++ b/tests/baselines/reference/templateStringInTaggedTemplate.types
@@ -1,9 +1,9 @@
 === tests/cases/conformance/es6/templates/templateStringInTaggedTemplate.ts ===
 `I AM THE ${ `${ `TAG` } ` } PORTION`    `I ${ "AM" } THE TEMPLATE PORTION`
 >`I AM THE ${ `${ `TAG` } ` } PORTION`    `I ${ "AM" } THE TEMPLATE PORTION` : any
->`I AM THE ${ `${ `TAG` } ` } PORTION` : string
->`${ `TAG` } ` : string
+>`I AM THE ${ `${ `TAG` } ` } PORTION` : "I AM THE TAG  PORTION"
+>`${ `TAG` } ` : "TAG "
 >`TAG` : "TAG"
->`I ${ "AM" } THE TEMPLATE PORTION` : string
+>`I ${ "AM" } THE TEMPLATE PORTION` : "I AM THE TEMPLATE PORTION"
 >"AM" : "AM"
 
diff --git a/tests/baselines/reference/templateStringInTaggedTemplateES6.types b/tests/baselines/reference/templateStringInTaggedTemplateES6.types
index dd2a4898a906c..aeead5bb5d4ae 100644
--- a/tests/baselines/reference/templateStringInTaggedTemplateES6.types
+++ b/tests/baselines/reference/templateStringInTaggedTemplateES6.types
@@ -1,9 +1,9 @@
 === tests/cases/conformance/es6/templates/templateStringInTaggedTemplateES6.ts ===
 `I AM THE ${ `${ `TAG` } ` } PORTION`    `I ${ "AM" } THE TEMPLATE PORTION`
 >`I AM THE ${ `${ `TAG` } ` } PORTION`    `I ${ "AM" } THE TEMPLATE PORTION` : any
->`I AM THE ${ `${ `TAG` } ` } PORTION` : string
->`${ `TAG` } ` : string
+>`I AM THE ${ `${ `TAG` } ` } PORTION` : "I AM THE TAG  PORTION"
+>`${ `TAG` } ` : "TAG "
 >`TAG` : "TAG"
->`I ${ "AM" } THE TEMPLATE PORTION` : string
+>`I ${ "AM" } THE TEMPLATE PORTION` : "I AM THE TEMPLATE PORTION"
 >"AM" : "AM"
 
diff --git a/tests/baselines/reference/templateStringInTypeAssertion.types b/tests/baselines/reference/templateStringInTypeAssertion.types
index c8950634a36ee..a219f97b65b4d 100644
--- a/tests/baselines/reference/templateStringInTypeAssertion.types
+++ b/tests/baselines/reference/templateStringInTypeAssertion.types
@@ -2,6 +2,6 @@
 var x = <any>`abc${ 123 }def`;
 >x : any
 ><any>`abc${ 123 }def` : any
->`abc${ 123 }def` : string
+>`abc${ 123 }def` : "abc123def"
 >123 : 123
 
diff --git a/tests/baselines/reference/templateStringInTypeAssertionES6.types b/tests/baselines/reference/templateStringInTypeAssertionES6.types
index becccd7373803..523eeede88363 100644
--- a/tests/baselines/reference/templateStringInTypeAssertionES6.types
+++ b/tests/baselines/reference/templateStringInTypeAssertionES6.types
@@ -2,6 +2,6 @@
 var x = <any>`abc${ 123 }def`;
 >x : any
 ><any>`abc${ 123 }def` : any
->`abc${ 123 }def` : string
+>`abc${ 123 }def` : "abc123def"
 >123 : 123
 
diff --git a/tests/baselines/reference/templateStringInTypeOf.types b/tests/baselines/reference/templateStringInTypeOf.types
index 195150c6aa8b8..a1f9d200ac20a 100644
--- a/tests/baselines/reference/templateStringInTypeOf.types
+++ b/tests/baselines/reference/templateStringInTypeOf.types
@@ -2,6 +2,6 @@
 var x = typeof `abc${ 123 }def`;
 >x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >typeof `abc${ 123 }def` : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
->`abc${ 123 }def` : string
+>`abc${ 123 }def` : "abc123def"
 >123 : 123
 
diff --git a/tests/baselines/reference/templateStringInTypeOfES6.types b/tests/baselines/reference/templateStringInTypeOfES6.types
index 27aab9cc9d981..959ce7decb597 100644
--- a/tests/baselines/reference/templateStringInTypeOfES6.types
+++ b/tests/baselines/reference/templateStringInTypeOfES6.types
@@ -2,6 +2,6 @@
 var x = typeof `abc${ 123 }def`;
 >x : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >typeof `abc${ 123 }def` : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
->`abc${ 123 }def` : string
+>`abc${ 123 }def` : "abc123def"
 >123 : 123
 
diff --git a/tests/baselines/reference/templateStringInUnaryPlus.types b/tests/baselines/reference/templateStringInUnaryPlus.types
index aa2b4fe4f2d63..5683220783405 100644
--- a/tests/baselines/reference/templateStringInUnaryPlus.types
+++ b/tests/baselines/reference/templateStringInUnaryPlus.types
@@ -2,6 +2,6 @@
 var x = +`abc${ 123 }def`;
 >x : number
 >+`abc${ 123 }def` : number
->`abc${ 123 }def` : string
+>`abc${ 123 }def` : "abc123def"
 >123 : 123
 
diff --git a/tests/baselines/reference/templateStringInUnaryPlusES6.types b/tests/baselines/reference/templateStringInUnaryPlusES6.types
index 8286fa8b6c142..1858a309b5496 100644
--- a/tests/baselines/reference/templateStringInUnaryPlusES6.types
+++ b/tests/baselines/reference/templateStringInUnaryPlusES6.types
@@ -2,6 +2,6 @@
 var x = +`abc${ 123 }def`;
 >x : number
 >+`abc${ 123 }def` : number
->`abc${ 123 }def` : string
+>`abc${ 123 }def` : "abc123def"
 >123 : 123
 
diff --git a/tests/baselines/reference/templateStringInWhile.types b/tests/baselines/reference/templateStringInWhile.types
index c0914ee771c9c..e21beddf2b8c2 100644
--- a/tests/baselines/reference/templateStringInWhile.types
+++ b/tests/baselines/reference/templateStringInWhile.types
@@ -1,9 +1,9 @@
 === tests/cases/conformance/es6/templates/templateStringInWhile.ts ===
 while (`abc${0}abc`) {
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
     `def${1}def`;
->`def${1}def` : string
+>`def${1}def` : "def1def"
 >1 : 1
 }
diff --git a/tests/baselines/reference/templateStringInWhileES6.types b/tests/baselines/reference/templateStringInWhileES6.types
index 29119d7f77ede..fc09ced07b9f8 100644
--- a/tests/baselines/reference/templateStringInWhileES6.types
+++ b/tests/baselines/reference/templateStringInWhileES6.types
@@ -1,9 +1,9 @@
 === tests/cases/conformance/es6/templates/templateStringInWhileES6.ts ===
 while (`abc${0}abc`) {
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 
     `def${1}def`;
->`def${1}def` : string
+>`def${1}def` : "def1def"
 >1 : 1
 }
diff --git a/tests/baselines/reference/templateStringInYieldKeyword.types b/tests/baselines/reference/templateStringInYieldKeyword.types
index 71cce7b74eb1b..96d966acf0803 100644
--- a/tests/baselines/reference/templateStringInYieldKeyword.types
+++ b/tests/baselines/reference/templateStringInYieldKeyword.types
@@ -1,12 +1,12 @@
 === tests/cases/conformance/es6/templates/templateStringInYieldKeyword.ts ===
 function* gen() {
->gen : () => Generator<string, void, unknown>
+>gen : () => Generator<`abc${any}def`, void, unknown>
 
     // Once this is supported, the inner expression does not need to be parenthesized.
     var x = yield `abc${ x }def`;
 >x : any
 >yield `abc${ x }def` : any
->`abc${ x }def` : string
+>`abc${ x }def` : `abc${any}def`
 >x : any
 }
 
diff --git a/tests/baselines/reference/templateStringPlainCharactersThatArePartsOfEscapes02.types b/tests/baselines/reference/templateStringPlainCharactersThatArePartsOfEscapes02.types
index 7d78d7f29fb65..63caabdceeaf1 100644
--- a/tests/baselines/reference/templateStringPlainCharactersThatArePartsOfEscapes02.types
+++ b/tests/baselines/reference/templateStringPlainCharactersThatArePartsOfEscapes02.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/templateStringPlainCharactersThatArePartsOfEscapes02.ts ===
 `0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n`
->`0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n` : string
+>`0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n` : "0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2028 2029 0085 t v f b r n"
 >" " : " "
 >" " : " "
 >" " : " "
diff --git a/tests/baselines/reference/templateStringPlainCharactersThatArePartsOfEscapes02_ES6.types b/tests/baselines/reference/templateStringPlainCharactersThatArePartsOfEscapes02_ES6.types
index ee2b0b3600d34..beaa6f39fc78e 100644
--- a/tests/baselines/reference/templateStringPlainCharactersThatArePartsOfEscapes02_ES6.types
+++ b/tests/baselines/reference/templateStringPlainCharactersThatArePartsOfEscapes02_ES6.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/templateStringPlainCharactersThatArePartsOfEscapes02_ES6.ts ===
 `0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n`
->`0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n` : string
+>`0${ " " }1${ " " }2${ " " }3${ " " }4${ " " }5${ " " }6${ " " }7${ " " }8${ " " }9${ " " }10${ " " }11${ " " }12${ " " }13${ " " }14${ " " }15${ " " }16${ " " }17${ " " }18${ " " }19${ " " }20${ " " }2028${ " " }2029${ " " }0085${ " " }t${ " " }v${ " " }f${ " " }b${ " " }r${ " " }n` : "0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2028 2029 0085 t v f b r n"
 >" " : " "
 >" " : " "
 >" " : " "
diff --git a/tests/baselines/reference/templateStringWithEmbeddedAddition.types b/tests/baselines/reference/templateStringWithEmbeddedAddition.types
index 56bc197c37764..17dfa769857a3 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedAddition.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedAddition.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedAddition.ts ===
 var x = `abc${ 10 + 10 }def`;
 >x : string
->`abc${ 10 + 10 }def` : string
+>`abc${ 10 + 10 }def` : `abc${number}def`
 >10 + 10 : number
 >10 : 10
 >10 : 10
diff --git a/tests/baselines/reference/templateStringWithEmbeddedAdditionES6.types b/tests/baselines/reference/templateStringWithEmbeddedAdditionES6.types
index 6ee46c39f57c1..50e43d4edfc56 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedAdditionES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedAdditionES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedAdditionES6.ts ===
 var x = `abc${ 10 + 10 }def`;
 >x : string
->`abc${ 10 + 10 }def` : string
+>`abc${ 10 + 10 }def` : `abc${number}def`
 >10 + 10 : number
 >10 : 10
 >10 : 10
diff --git a/tests/baselines/reference/templateStringWithEmbeddedArray.types b/tests/baselines/reference/templateStringWithEmbeddedArray.types
index b82fa26d40049..1c50d92da7581 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedArray.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedArray.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedArray.ts ===
 var x = `abc${ [1,2,3] }def`;
 >x : string
->`abc${ [1,2,3] }def` : string
+>`abc${ [1,2,3] }def` : `abc${string}def`
 >[1,2,3] : number[]
 >1 : 1
 >2 : 2
diff --git a/tests/baselines/reference/templateStringWithEmbeddedArrayES6.types b/tests/baselines/reference/templateStringWithEmbeddedArrayES6.types
index e8701a7f4c30a..b9d23edf7ef66 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedArrayES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedArrayES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedArrayES6.ts ===
 var x = `abc${ [1,2,3] }def`;
 >x : string
->`abc${ [1,2,3] }def` : string
+>`abc${ [1,2,3] }def` : `abc${string}def`
 >[1,2,3] : number[]
 >1 : 1
 >2 : 2
diff --git a/tests/baselines/reference/templateStringWithEmbeddedArrowFunction.types b/tests/baselines/reference/templateStringWithEmbeddedArrowFunction.types
index 9e8d81e7ab8a6..c2bf5c8adf7f7 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedArrowFunction.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedArrowFunction.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedArrowFunction.ts ===
 var x = `abc${ x => x }def`;
 >x : string
->`abc${ x => x }def` : string
+>`abc${ x => x }def` : `abc${string}def`
 >x => x : (x: any) => any
 >x : any
 >x : any
diff --git a/tests/baselines/reference/templateStringWithEmbeddedArrowFunctionES6.types b/tests/baselines/reference/templateStringWithEmbeddedArrowFunctionES6.types
index a7adad631302f..04cde9c573f36 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedArrowFunctionES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedArrowFunctionES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedArrowFunctionES6.ts ===
 var x = `abc${ x => x }def`;
 >x : string
->`abc${ x => x }def` : string
+>`abc${ x => x }def` : `abc${string}def`
 >x => x : (x: any) => any
 >x : any
 >x : any
diff --git a/tests/baselines/reference/templateStringWithEmbeddedComments.types b/tests/baselines/reference/templateStringWithEmbeddedComments.types
index f948a8bdaaf10..508149c3144d8 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedComments.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedComments.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedComments.ts ===
 `head${ // single line comment
->`head${ // single line comment10}middle${/* Multi- * line * comment */ 20 // closing comment}tail` : string
+>`head${ // single line comment10}middle${/* Multi- * line * comment */ 20 // closing comment}tail` : "head10\nmiddle20\ntail"
 
 10
 >10 : 10
diff --git a/tests/baselines/reference/templateStringWithEmbeddedCommentsES6.types b/tests/baselines/reference/templateStringWithEmbeddedCommentsES6.types
index cd2e0b23441a7..f8c5c0e6921cd 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedCommentsES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedCommentsES6.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedCommentsES6.ts ===
 `head${ // single line comment
->`head${ // single line comment10}middle${/* Multi- * line * comment */ 20 // closing comment}tail` : string
+>`head${ // single line comment10}middle${/* Multi- * line * comment */ 20 // closing comment}tail` : "head10\nmiddle20\ntail"
 
 10
 >10 : 10
diff --git a/tests/baselines/reference/templateStringWithEmbeddedConditional.types b/tests/baselines/reference/templateStringWithEmbeddedConditional.types
index d79433e7b8aa3..e70cf84f45e36 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedConditional.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedConditional.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedConditional.ts ===
 var x = `abc${ true ? false : " " }def`;
->x : string
->`abc${ true ? false : " " }def` : string
+>x : "abcfalsedef" | "abc def"
+>`abc${ true ? false : " " }def` : "abcfalsedef" | "abc def"
 >true ? false : " " : false | " "
 >true : true
 >false : false
diff --git a/tests/baselines/reference/templateStringWithEmbeddedConditionalES6.types b/tests/baselines/reference/templateStringWithEmbeddedConditionalES6.types
index 1ddc81a19e701..58e7770cbbcb4 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedConditionalES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedConditionalES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedConditionalES6.ts ===
 var x = `abc${ true ? false : " " }def`;
->x : string
->`abc${ true ? false : " " }def` : string
+>x : "abcfalsedef" | "abc def"
+>`abc${ true ? false : " " }def` : "abcfalsedef" | "abc def"
 >true ? false : " " : false | " "
 >true : true
 >false : false
diff --git a/tests/baselines/reference/templateStringWithEmbeddedDivision.types b/tests/baselines/reference/templateStringWithEmbeddedDivision.types
index 6f8913756246c..500ff08ec8388 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedDivision.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedDivision.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedDivision.ts ===
 var x = `abc${ 1 / 1 }def`;
 >x : string
->`abc${ 1 / 1 }def` : string
+>`abc${ 1 / 1 }def` : `abc${number}def`
 >1 / 1 : number
 >1 : 1
 >1 : 1
diff --git a/tests/baselines/reference/templateStringWithEmbeddedDivisionES6.types b/tests/baselines/reference/templateStringWithEmbeddedDivisionES6.types
index f91b3a27639ee..292f9c082000e 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedDivisionES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedDivisionES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedDivisionES6.ts ===
 var x = `abc${ 1 / 1 }def`;
 >x : string
->`abc${ 1 / 1 }def` : string
+>`abc${ 1 / 1 }def` : `abc${number}def`
 >1 / 1 : number
 >1 : 1
 >1 : 1
diff --git a/tests/baselines/reference/templateStringWithEmbeddedFunctionExpression.types b/tests/baselines/reference/templateStringWithEmbeddedFunctionExpression.types
index 19a37ae86f414..d3a6abdfc0d3e 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedFunctionExpression.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedFunctionExpression.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedFunctionExpression.ts ===
 var x = `abc${ function y() { return y; } }def`;
 >x : string
->`abc${ function y() { return y; } }def` : string
+>`abc${ function y() { return y; } }def` : `abc${string}def`
 >function y() { return y; } : () => any
 >y : () => any
 >y : () => any
diff --git a/tests/baselines/reference/templateStringWithEmbeddedFunctionExpressionES6.types b/tests/baselines/reference/templateStringWithEmbeddedFunctionExpressionES6.types
index c7a4f2e2bc403..5f23f58e2a625 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedFunctionExpressionES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedFunctionExpressionES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedFunctionExpressionES6.ts ===
 var x = `abc${ function y() { return y; } }def`;
 >x : string
->`abc${ function y() { return y; } }def` : string
+>`abc${ function y() { return y; } }def` : `abc${string}def`
 >function y() { return y; } : () => any
 >y : () => any
 >y : () => any
diff --git a/tests/baselines/reference/templateStringWithEmbeddedInOperator.types b/tests/baselines/reference/templateStringWithEmbeddedInOperator.types
index f97ca55b63364..617dc58c92041 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedInOperator.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedInOperator.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedInOperator.ts ===
 var x = `abc${ "hi" in { hi: 10, hello: 20} }def`;
->x : string
->`abc${ "hi" in { hi: 10, hello: 20} }def` : string
+>x : "abcfalsedef" | "abctruedef"
+>`abc${ "hi" in { hi: 10, hello: 20} }def` : "abcfalsedef" | "abctruedef"
 >"hi" in { hi: 10, hello: 20} : boolean
 >"hi" : "hi"
 >{ hi: 10, hello: 20} : { hi: number; hello: number; }
diff --git a/tests/baselines/reference/templateStringWithEmbeddedInOperatorES6.types b/tests/baselines/reference/templateStringWithEmbeddedInOperatorES6.types
index a1346c2ce6d6c..ccd38d6cabc58 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedInOperatorES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedInOperatorES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedInOperatorES6.ts ===
 var x = `abc${ "hi" in { hi: 10, hello: 20} }def`;
->x : string
->`abc${ "hi" in { hi: 10, hello: 20} }def` : string
+>x : "abcfalsedef" | "abctruedef"
+>`abc${ "hi" in { hi: 10, hello: 20} }def` : "abcfalsedef" | "abctruedef"
 >"hi" in { hi: 10, hello: 20} : boolean
 >"hi" : "hi"
 >{ hi: 10, hello: 20} : { hi: number; hello: number; }
diff --git a/tests/baselines/reference/templateStringWithEmbeddedInstanceOf.types b/tests/baselines/reference/templateStringWithEmbeddedInstanceOf.types
index fea4b20d90446..28e3f8b60880d 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedInstanceOf.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedInstanceOf.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedInstanceOf.ts ===
 var x = `abc${ "hello" instanceof String }def`;
->x : string
->`abc${ "hello" instanceof String }def` : string
+>x : "abcfalsedef" | "abctruedef"
+>`abc${ "hello" instanceof String }def` : "abcfalsedef" | "abctruedef"
 >"hello" instanceof String : boolean
 >"hello" : "hello"
 >String : StringConstructor
diff --git a/tests/baselines/reference/templateStringWithEmbeddedInstanceOfES6.types b/tests/baselines/reference/templateStringWithEmbeddedInstanceOfES6.types
index 8fbe2994c65a1..729a9fdab7d4e 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedInstanceOfES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedInstanceOfES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedInstanceOfES6.ts ===
 var x = `abc${ "hello" instanceof String }def`;
->x : string
->`abc${ "hello" instanceof String }def` : string
+>x : "abcfalsedef" | "abctruedef"
+>`abc${ "hello" instanceof String }def` : "abcfalsedef" | "abctruedef"
 >"hello" instanceof String : boolean
 >"hello" : "hello"
 >String : StringConstructor
diff --git a/tests/baselines/reference/templateStringWithEmbeddedModulo.types b/tests/baselines/reference/templateStringWithEmbeddedModulo.types
index c471180956327..5b71d6c355475 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedModulo.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedModulo.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedModulo.ts ===
 var x = `abc${ 1 % 1 }def`;
 >x : string
->`abc${ 1 % 1 }def` : string
+>`abc${ 1 % 1 }def` : `abc${number}def`
 >1 % 1 : number
 >1 : 1
 >1 : 1
diff --git a/tests/baselines/reference/templateStringWithEmbeddedModuloES6.types b/tests/baselines/reference/templateStringWithEmbeddedModuloES6.types
index 2a1e6b602e2cb..f160811ed7273 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedModuloES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedModuloES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedModuloES6.ts ===
 var x = `abc${ 1 % 1 }def`;
 >x : string
->`abc${ 1 % 1 }def` : string
+>`abc${ 1 % 1 }def` : `abc${number}def`
 >1 % 1 : number
 >1 : 1
 >1 : 1
diff --git a/tests/baselines/reference/templateStringWithEmbeddedMultiplication.types b/tests/baselines/reference/templateStringWithEmbeddedMultiplication.types
index f442ab3165bbc..9d74b404fc617 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedMultiplication.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedMultiplication.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedMultiplication.ts ===
 var x = `abc${ 7 * 6 }def`;
 >x : string
->`abc${ 7 * 6 }def` : string
+>`abc${ 7 * 6 }def` : `abc${number}def`
 >7 * 6 : number
 >7 : 7
 >6 : 6
diff --git a/tests/baselines/reference/templateStringWithEmbeddedMultiplicationES6.types b/tests/baselines/reference/templateStringWithEmbeddedMultiplicationES6.types
index 3e9f15773efba..24927520c237d 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedMultiplicationES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedMultiplicationES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedMultiplicationES6.ts ===
 var x = `abc${ 7 * 6 }def`;
 >x : string
->`abc${ 7 * 6 }def` : string
+>`abc${ 7 * 6 }def` : `abc${number}def`
 >7 * 6 : number
 >7 : 7
 >6 : 6
diff --git a/tests/baselines/reference/templateStringWithEmbeddedNewOperator.types b/tests/baselines/reference/templateStringWithEmbeddedNewOperator.types
index 1e358a571b3ac..6b1c12b81bc3e 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedNewOperator.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedNewOperator.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedNewOperator.ts ===
 var x = `abc${ new String("Hi") }def`;
 >x : string
->`abc${ new String("Hi") }def` : string
+>`abc${ new String("Hi") }def` : `abc${string}def`
 >new String("Hi") : String
 >String : StringConstructor
 >"Hi" : "Hi"
diff --git a/tests/baselines/reference/templateStringWithEmbeddedNewOperatorES6.types b/tests/baselines/reference/templateStringWithEmbeddedNewOperatorES6.types
index 4939c6f867f3a..b96cdfbbe71a9 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedNewOperatorES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedNewOperatorES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedNewOperatorES6.ts ===
 var x = `abc${ new String("Hi") }def`;
 >x : string
->`abc${ new String("Hi") }def` : string
+>`abc${ new String("Hi") }def` : `abc${string}def`
 >new String("Hi") : String
 >String : StringConstructor
 >"Hi" : "Hi"
diff --git a/tests/baselines/reference/templateStringWithEmbeddedObjectLiteral.types b/tests/baselines/reference/templateStringWithEmbeddedObjectLiteral.types
index 9854e4e905632..537ed7b76c3b8 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedObjectLiteral.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedObjectLiteral.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedObjectLiteral.ts ===
 var x = `abc${ { x: 10, y: 20 } }def`;
 >x : string
->`abc${ { x: 10, y: 20 } }def` : string
+>`abc${ { x: 10, y: 20 } }def` : `abc${string}def`
 >{ x: 10, y: 20 } : { x: number; y: number; }
 >x : number
 >10 : 10
diff --git a/tests/baselines/reference/templateStringWithEmbeddedObjectLiteralES6.types b/tests/baselines/reference/templateStringWithEmbeddedObjectLiteralES6.types
index db086517791dd..286ea752a0947 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedObjectLiteralES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedObjectLiteralES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedObjectLiteralES6.ts ===
 var x = `abc${ { x: 10, y: 20 } }def`;
 >x : string
->`abc${ { x: 10, y: 20 } }def` : string
+>`abc${ { x: 10, y: 20 } }def` : `abc${string}def`
 >{ x: 10, y: 20 } : { x: number; y: number; }
 >x : number
 >10 : 10
diff --git a/tests/baselines/reference/templateStringWithEmbeddedTemplateString.types b/tests/baselines/reference/templateStringWithEmbeddedTemplateString.types
index cef4f69c0a959..ccc38f4e12f8b 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedTemplateString.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedTemplateString.types
@@ -1,9 +1,9 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedTemplateString.ts ===
 var x = `123${ `456 ${ " | " } 654` }321 123${ `456 ${ " | " } 654` }321`;
 >x : string
->`123${ `456 ${ " | " } 654` }321 123${ `456 ${ " | " } 654` }321` : string
->`456 ${ " | " } 654` : string
+>`123${ `456 ${ " | " } 654` }321 123${ `456 ${ " | " } 654` }321` : "123456  |  654321 123456  |  654321"
+>`456 ${ " | " } 654` : "456  |  654"
 >" | " : " | "
->`456 ${ " | " } 654` : string
+>`456 ${ " | " } 654` : "456  |  654"
 >" | " : " | "
 
diff --git a/tests/baselines/reference/templateStringWithEmbeddedTemplateStringES6.types b/tests/baselines/reference/templateStringWithEmbeddedTemplateStringES6.types
index 12532c8402e48..05dd538b9667b 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedTemplateStringES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedTemplateStringES6.types
@@ -1,9 +1,9 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedTemplateStringES6.ts ===
 var x = `123${ `456 ${ " | " } 654` }321 123${ `456 ${ " | " } 654` }321`;
 >x : string
->`123${ `456 ${ " | " } 654` }321 123${ `456 ${ " | " } 654` }321` : string
->`456 ${ " | " } 654` : string
+>`123${ `456 ${ " | " } 654` }321 123${ `456 ${ " | " } 654` }321` : "123456  |  654321 123456  |  654321"
+>`456 ${ " | " } 654` : "456  |  654"
 >" | " : " | "
->`456 ${ " | " } 654` : string
+>`456 ${ " | " } 654` : "456  |  654"
 >" | " : " | "
 
diff --git a/tests/baselines/reference/templateStringWithEmbeddedTypeAssertionOnAddition.types b/tests/baselines/reference/templateStringWithEmbeddedTypeAssertionOnAddition.types
index 898263825af3a..d6e8a4aaedc25 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedTypeAssertionOnAddition.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedTypeAssertionOnAddition.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedTypeAssertionOnAddition.ts ===
 var x = `abc${ <any>(10 + 10) }def`;
 >x : string
->`abc${ <any>(10 + 10) }def` : string
+>`abc${ <any>(10 + 10) }def` : `abc${any}def`
 ><any>(10 + 10) : any
 >(10 + 10) : number
 >10 + 10 : number
diff --git a/tests/baselines/reference/templateStringWithEmbeddedTypeAssertionOnAdditionES6.types b/tests/baselines/reference/templateStringWithEmbeddedTypeAssertionOnAdditionES6.types
index e9e81a2d097d5..4e006b001a3c8 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedTypeAssertionOnAdditionES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedTypeAssertionOnAdditionES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedTypeAssertionOnAdditionES6.ts ===
 var x = `abc${ <any>(10 + 10) }def`;
 >x : string
->`abc${ <any>(10 + 10) }def` : string
+>`abc${ <any>(10 + 10) }def` : `abc${any}def`
 ><any>(10 + 10) : any
 >(10 + 10) : number
 >10 + 10 : number
diff --git a/tests/baselines/reference/templateStringWithEmbeddedTypeOfOperator.types b/tests/baselines/reference/templateStringWithEmbeddedTypeOfOperator.types
index 3069fbb80f3f0..7e1879ddfa380 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedTypeOfOperator.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedTypeOfOperator.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedTypeOfOperator.ts ===
 var x = `abc${ typeof "hi" }def`;
->x : string
->`abc${ typeof "hi" }def` : string
+>x : "abcstringdef" | "abcnumberdef" | "abcbigintdef" | "abcbooleandef" | "abcsymboldef" | "abcundefineddef" | "abcobjectdef" | "abcfunctiondef"
+>`abc${ typeof "hi" }def` : "abcstringdef" | "abcnumberdef" | "abcbigintdef" | "abcbooleandef" | "abcsymboldef" | "abcundefineddef" | "abcobjectdef" | "abcfunctiondef"
 >typeof "hi" : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >"hi" : "hi"
 
diff --git a/tests/baselines/reference/templateStringWithEmbeddedTypeOfOperatorES6.types b/tests/baselines/reference/templateStringWithEmbeddedTypeOfOperatorES6.types
index 35608d6f6049f..3e645795ceab1 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedTypeOfOperatorES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedTypeOfOperatorES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedTypeOfOperatorES6.ts ===
 var x = `abc${ typeof "hi" }def`;
->x : string
->`abc${ typeof "hi" }def` : string
+>x : "abcstringdef" | "abcnumberdef" | "abcbigintdef" | "abcbooleandef" | "abcsymboldef" | "abcundefineddef" | "abcobjectdef" | "abcfunctiondef"
+>`abc${ typeof "hi" }def` : "abcstringdef" | "abcnumberdef" | "abcbigintdef" | "abcbooleandef" | "abcsymboldef" | "abcundefineddef" | "abcobjectdef" | "abcfunctiondef"
 >typeof "hi" : "string" | "number" | "bigint" | "boolean" | "symbol" | "undefined" | "object" | "function"
 >"hi" : "hi"
 
diff --git a/tests/baselines/reference/templateStringWithEmbeddedUnaryPlus.types b/tests/baselines/reference/templateStringWithEmbeddedUnaryPlus.types
index 9c6c4bc921367..5e7a765637fc2 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedUnaryPlus.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedUnaryPlus.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedUnaryPlus.ts ===
 var x = `abc${ +Infinity }def`;
 >x : string
->`abc${ +Infinity }def` : string
+>`abc${ +Infinity }def` : `abc${number}def`
 >+Infinity : number
 >Infinity : number
 
diff --git a/tests/baselines/reference/templateStringWithEmbeddedUnaryPlusES6.types b/tests/baselines/reference/templateStringWithEmbeddedUnaryPlusES6.types
index 4a957f636e6de..79267e084c9a4 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedUnaryPlusES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedUnaryPlusES6.types
@@ -1,7 +1,7 @@
 === tests/cases/conformance/es6/templates/templateStringWithEmbeddedUnaryPlusES6.ts ===
 var x = `abc${ +Infinity }def`;
 >x : string
->`abc${ +Infinity }def` : string
+>`abc${ +Infinity }def` : `abc${number}def`
 >+Infinity : number
 >Infinity : number
 
diff --git a/tests/baselines/reference/templateStringWithEmbeddedYieldKeyword.types b/tests/baselines/reference/templateStringWithEmbeddedYieldKeyword.types
index 901d91ecb377d..43637582d6234 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedYieldKeyword.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedYieldKeyword.types
@@ -5,7 +5,7 @@ function* gen {
     // Once this is supported, yield *must* be parenthesized.
     var x = `abc${ yield 10 }def`;
 >x : string
->`abc${ yield 10 }def` : string
+>`abc${ yield 10 }def` : `abc${any}def`
 >yield 10 : any
 >10 : 10
 }
diff --git a/tests/baselines/reference/templateStringWithEmbeddedYieldKeywordES6.types b/tests/baselines/reference/templateStringWithEmbeddedYieldKeywordES6.types
index a4226bc3f4400..84e4804e38416 100644
--- a/tests/baselines/reference/templateStringWithEmbeddedYieldKeywordES6.types
+++ b/tests/baselines/reference/templateStringWithEmbeddedYieldKeywordES6.types
@@ -5,7 +5,7 @@ function* gen() {
     // Once this is supported, yield *must* be parenthesized.
     var x = `abc${ yield 10 }def`;
 >x : string
->`abc${ yield 10 }def` : string
+>`abc${ yield 10 }def` : `abc${any}def`
 >yield 10 : any
 >10 : 10
 }
diff --git a/tests/baselines/reference/templateStringWithEmptyLiteralPortions.types b/tests/baselines/reference/templateStringWithEmptyLiteralPortions.types
index efc2723c270d2..fbe6b30e84487 100644
--- a/tests/baselines/reference/templateStringWithEmptyLiteralPortions.types
+++ b/tests/baselines/reference/templateStringWithEmptyLiteralPortions.types
@@ -5,69 +5,69 @@ var a = ``;
 
 var b = `${ 0 }`;
 >b : string
->`${ 0 }` : string
+>`${ 0 }` : "0"
 >0 : 0
 
 var c = `1${ 0 }`;
 >c : string
->`1${ 0 }` : string
+>`1${ 0 }` : "10"
 >0 : 0
 
 var d = `${ 0 }2`;
 >d : string
->`${ 0 }2` : string
+>`${ 0 }2` : "02"
 >0 : 0
 
 var e = `1${ 0 }2`;
 >e : string
->`1${ 0 }2` : string
+>`1${ 0 }2` : "102"
 >0 : 0
 
 var f = `${ 0 }${ 0 }`;
 >f : string
->`${ 0 }${ 0 }` : string
+>`${ 0 }${ 0 }` : "00"
 >0 : 0
 >0 : 0
 
 var g = `1${ 0 }${ 0 }`;
 >g : string
->`1${ 0 }${ 0 }` : string
+>`1${ 0 }${ 0 }` : "100"
 >0 : 0
 >0 : 0
 
 var h = `${ 0 }2${ 0 }`;
 >h : string
->`${ 0 }2${ 0 }` : string
+>`${ 0 }2${ 0 }` : "020"
 >0 : 0
 >0 : 0
 
 var i = `1${ 0 }2${ 0 }`;
 >i : string
->`1${ 0 }2${ 0 }` : string
+>`1${ 0 }2${ 0 }` : "1020"
 >0 : 0
 >0 : 0
 
 var j = `${ 0 }${ 0 }3`;
 >j : string
->`${ 0 }${ 0 }3` : string
+>`${ 0 }${ 0 }3` : "003"
 >0 : 0
 >0 : 0
 
 var k = `1${ 0 }${ 0 }3`;
 >k : string
->`1${ 0 }${ 0 }3` : string
+>`1${ 0 }${ 0 }3` : "1003"
 >0 : 0
 >0 : 0
 
 var l = `${ 0 }2${ 0 }3`;
 >l : string
->`${ 0 }2${ 0 }3` : string
+>`${ 0 }2${ 0 }3` : "0203"
 >0 : 0
 >0 : 0
 
 var m = `1${ 0 }2${ 0 }3`;
 >m : string
->`1${ 0 }2${ 0 }3` : string
+>`1${ 0 }2${ 0 }3` : "10203"
 >0 : 0
 >0 : 0
 
diff --git a/tests/baselines/reference/templateStringWithEmptyLiteralPortionsES6.types b/tests/baselines/reference/templateStringWithEmptyLiteralPortionsES6.types
index aad4f1eb09518..a0c680135c6e2 100644
--- a/tests/baselines/reference/templateStringWithEmptyLiteralPortionsES6.types
+++ b/tests/baselines/reference/templateStringWithEmptyLiteralPortionsES6.types
@@ -5,69 +5,69 @@ var a = ``;
 
 var b = `${ 0 }`;
 >b : string
->`${ 0 }` : string
+>`${ 0 }` : "0"
 >0 : 0
 
 var c = `1${ 0 }`;
 >c : string
->`1${ 0 }` : string
+>`1${ 0 }` : "10"
 >0 : 0
 
 var d = `${ 0 }2`;
 >d : string
->`${ 0 }2` : string
+>`${ 0 }2` : "02"
 >0 : 0
 
 var e = `1${ 0 }2`;
 >e : string
->`1${ 0 }2` : string
+>`1${ 0 }2` : "102"
 >0 : 0
 
 var f = `${ 0 }${ 0 }`;
 >f : string
->`${ 0 }${ 0 }` : string
+>`${ 0 }${ 0 }` : "00"
 >0 : 0
 >0 : 0
 
 var g = `1${ 0 }${ 0 }`;
 >g : string
->`1${ 0 }${ 0 }` : string
+>`1${ 0 }${ 0 }` : "100"
 >0 : 0
 >0 : 0
 
 var h = `${ 0 }2${ 0 }`;
 >h : string
->`${ 0 }2${ 0 }` : string
+>`${ 0 }2${ 0 }` : "020"
 >0 : 0
 >0 : 0
 
 var i = `1${ 0 }2${ 0 }`;
 >i : string
->`1${ 0 }2${ 0 }` : string
+>`1${ 0 }2${ 0 }` : "1020"
 >0 : 0
 >0 : 0
 
 var j = `${ 0 }${ 0 }3`;
 >j : string
->`${ 0 }${ 0 }3` : string
+>`${ 0 }${ 0 }3` : "003"
 >0 : 0
 >0 : 0
 
 var k = `1${ 0 }${ 0 }3`;
 >k : string
->`1${ 0 }${ 0 }3` : string
+>`1${ 0 }${ 0 }3` : "1003"
 >0 : 0
 >0 : 0
 
 var l = `${ 0 }2${ 0 }3`;
 >l : string
->`${ 0 }2${ 0 }3` : string
+>`${ 0 }2${ 0 }3` : "0203"
 >0 : 0
 >0 : 0
 
 var m = `1${ 0 }2${ 0 }3`;
 >m : string
->`1${ 0 }2${ 0 }3` : string
+>`1${ 0 }2${ 0 }3` : "10203"
 >0 : 0
 >0 : 0
 
diff --git a/tests/baselines/reference/templateStringWithOpenCommentInStringPortion.types b/tests/baselines/reference/templateStringWithOpenCommentInStringPortion.types
index 8c6d4dc2e79ba..b0d90076ef429 100644
--- a/tests/baselines/reference/templateStringWithOpenCommentInStringPortion.types
+++ b/tests/baselines/reference/templateStringWithOpenCommentInStringPortion.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/templateStringWithOpenCommentInStringPortion.ts ===
 ` /**head  ${ 10 } // still middle  ${ 20 } /* still tail `
->` /**head  ${ 10 } // still middle  ${ 20 } /* still tail ` : string
+>` /**head  ${ 10 } // still middle  ${ 20 } /* still tail ` : " /**head  10 // still middle  20 /* still tail "
 >10 : 10
 >20 : 20
 
diff --git a/tests/baselines/reference/templateStringWithOpenCommentInStringPortionES6.types b/tests/baselines/reference/templateStringWithOpenCommentInStringPortionES6.types
index fa9ede6976b3f..3f27bda84688f 100644
--- a/tests/baselines/reference/templateStringWithOpenCommentInStringPortionES6.types
+++ b/tests/baselines/reference/templateStringWithOpenCommentInStringPortionES6.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/templates/templateStringWithOpenCommentInStringPortionES6.ts ===
 ` /**head  ${ 10 } // still middle  ${ 20 } /* still tail `
->` /**head  ${ 10 } // still middle  ${ 20 } /* still tail ` : string
+>` /**head  ${ 10 } // still middle  ${ 20 } /* still tail ` : " /**head  10 // still middle  20 /* still tail "
 >10 : 10
 >20 : 20
 
diff --git a/tests/baselines/reference/templateStringWithPropertyAccess.types b/tests/baselines/reference/templateStringWithPropertyAccess.types
index faa2fda38889e..65f006c430c55 100644
--- a/tests/baselines/reference/templateStringWithPropertyAccess.types
+++ b/tests/baselines/reference/templateStringWithPropertyAccess.types
@@ -2,7 +2,7 @@
 `abc${0}abc`.indexOf(`abc`);
 >`abc${0}abc`.indexOf(`abc`) : number
 >`abc${0}abc`.indexOf : (searchString: string, position?: number) => number
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 >indexOf : (searchString: string, position?: number) => number
 >`abc` : "abc"
diff --git a/tests/baselines/reference/templateStringWithPropertyAccessES6.types b/tests/baselines/reference/templateStringWithPropertyAccessES6.types
index 36a84452808e9..4ffce701c4098 100644
--- a/tests/baselines/reference/templateStringWithPropertyAccessES6.types
+++ b/tests/baselines/reference/templateStringWithPropertyAccessES6.types
@@ -2,7 +2,7 @@
 `abc${0}abc`.indexOf(`abc`);
 >`abc${0}abc`.indexOf(`abc`) : number
 >`abc${0}abc`.indexOf : (searchString: string, position?: number) => number
->`abc${0}abc` : string
+>`abc${0}abc` : "abc0abc"
 >0 : 0
 >indexOf : (searchString: string, position?: number) => number
 >`abc` : "abc"
diff --git a/tests/baselines/reference/templateStringsArrayTypeDefinedInES5Mode.types b/tests/baselines/reference/templateStringsArrayTypeDefinedInES5Mode.types
index 1ffd2e8305e72..902b87f52cbc5 100644
--- a/tests/baselines/reference/templateStringsArrayTypeDefinedInES5Mode.types
+++ b/tests/baselines/reference/templateStringsArrayTypeDefinedInES5Mode.types
@@ -20,7 +20,7 @@ f({}, 10, 10);
 f `abcdef${ 1234 }${ 5678 }ghijkl`;
 >f `abcdef${ 1234 }${ 5678 }ghijkl` : void
 >f : (x: TemplateStringsArray, y: number, z: number) => void
->`abcdef${ 1234 }${ 5678 }ghijkl` : string
+>`abcdef${ 1234 }${ 5678 }ghijkl` : "abcdef12345678ghijkl"
 >1234 : 1234
 >5678 : 5678
 
diff --git a/tests/baselines/reference/templateStringsArrayTypeNotDefinedES5Mode.types b/tests/baselines/reference/templateStringsArrayTypeNotDefinedES5Mode.types
index 5deba77862b6b..2ef3d21cacdfb 100644
--- a/tests/baselines/reference/templateStringsArrayTypeNotDefinedES5Mode.types
+++ b/tests/baselines/reference/templateStringsArrayTypeNotDefinedES5Mode.types
@@ -16,7 +16,7 @@ f({}, 10, 10);
 f `abcdef${ 1234 }${ 5678 }ghijkl`;
 >f `abcdef${ 1234 }${ 5678 }ghijkl` : void
 >f : (x: TemplateStringsArray, y: number, z: number) => void
->`abcdef${ 1234 }${ 5678 }ghijkl` : string
+>`abcdef${ 1234 }${ 5678 }ghijkl` : "abcdef12345678ghijkl"
 >1234 : 1234
 >5678 : 5678
 
diff --git a/tests/baselines/reference/templateStringsArrayTypeRedefinedInES6Mode.types b/tests/baselines/reference/templateStringsArrayTypeRedefinedInES6Mode.types
index 6fca2974a3dab..38ba746f76891 100644
--- a/tests/baselines/reference/templateStringsArrayTypeRedefinedInES6Mode.types
+++ b/tests/baselines/reference/templateStringsArrayTypeRedefinedInES6Mode.types
@@ -20,7 +20,7 @@ f({}, 10, 10);
 f `abcdef${ 1234 }${ 5678 }ghijkl`;
 >f `abcdef${ 1234 }${ 5678 }ghijkl` : void
 >f : (x: TemplateStringsArray, y: number, z: number) => void
->`abcdef${ 1234 }${ 5678 }ghijkl` : string
+>`abcdef${ 1234 }${ 5678 }ghijkl` : "abcdef12345678ghijkl"
 >1234 : 1234
 >5678 : 5678
 
diff --git a/tests/baselines/reference/truthinessCallExpressionCoercion.types b/tests/baselines/reference/truthinessCallExpressionCoercion.types
index 21c2328455c74..e54295cb3ee03 100644
--- a/tests/baselines/reference/truthinessCallExpressionCoercion.types
+++ b/tests/baselines/reference/truthinessCallExpressionCoercion.types
@@ -192,7 +192,7 @@ function A(stats: StatsBase<any>) {
 >console.log : (...data: any[]) => void
 >console : Console
 >log : (...data: any[]) => void
->`[Directory] ${stats.ctime}` : string
+>`[Directory] ${stats.ctime}` : `[Directory] ${number}`
 >stats.ctime : number
 >stats : StatsBase<any>
 >ctime : number
diff --git a/tests/baselines/reference/typeGuardIntersectionTypes.types b/tests/baselines/reference/typeGuardIntersectionTypes.types
index bf119d5743c6e..6d9d0f47ac470 100644
--- a/tests/baselines/reference/typeGuardIntersectionTypes.types
+++ b/tests/baselines/reference/typeGuardIntersectionTypes.types
@@ -196,7 +196,7 @@ function identifyBeast(beast: Beast) {
                 log(`unknown - ${beast.legs} legs, wings`);
 >log(`unknown - ${beast.legs} legs, wings`) : void
 >log : (s: string) => void
->`unknown - ${beast.legs} legs, wings` : string
+>`unknown - ${beast.legs} legs, wings` : `unknown - ${number} legs, wings`
 >beast.legs : number
 >beast : Beast & Legged & Winged
 >legs : number
@@ -208,7 +208,7 @@ function identifyBeast(beast: Beast) {
             log(`manbearpig - ${beast.legs} legs, no wings`);
 >log(`manbearpig - ${beast.legs} legs, no wings`) : void
 >log : (s: string) => void
->`manbearpig - ${beast.legs} legs, no wings` : string
+>`manbearpig - ${beast.legs} legs, no wings` : `manbearpig - ${number} legs, no wings`
 >beast.legs : number
 >beast : Beast & Legged
 >legs : number
diff --git a/tests/baselines/reference/unicodeExtendedEscapesInTemplates20_ES5.types b/tests/baselines/reference/unicodeExtendedEscapesInTemplates20_ES5.types
index ddb24f5de937a..90cebfc3043c2 100644
--- a/tests/baselines/reference/unicodeExtendedEscapesInTemplates20_ES5.types
+++ b/tests/baselines/reference/unicodeExtendedEscapesInTemplates20_ES5.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/unicodeExtendedEscapes/unicodeExtendedEscapesInTemplates20_ES5.ts ===
 var x = `\u{48}\u{65}\u{6c}\u{6c}\u{6f}${`\u{20}\u{020}\u{0020}\u{000020}`}\u{77}\u{6f}\u{72}\u{6c}\u{64}`;
 >x : string
->`\u{48}\u{65}\u{6c}\u{6c}\u{6f}${`\u{20}\u{020}\u{0020}\u{000020}`}\u{77}\u{6f}\u{72}\u{6c}\u{64}` : string
+>`\u{48}\u{65}\u{6c}\u{6c}\u{6f}${`\u{20}\u{020}\u{0020}\u{000020}`}\u{77}\u{6f}\u{72}\u{6c}\u{64}` : "Hello    world"
 >`\u{20}\u{020}\u{0020}\u{000020}` : "    "
 
diff --git a/tests/baselines/reference/unicodeExtendedEscapesInTemplates20_ES6.types b/tests/baselines/reference/unicodeExtendedEscapesInTemplates20_ES6.types
index 8244bc5b7fd71..f8ae16d4a4cd1 100644
--- a/tests/baselines/reference/unicodeExtendedEscapesInTemplates20_ES6.types
+++ b/tests/baselines/reference/unicodeExtendedEscapesInTemplates20_ES6.types
@@ -1,6 +1,6 @@
 === tests/cases/conformance/es6/unicodeExtendedEscapes/unicodeExtendedEscapesInTemplates20_ES6.ts ===
 var x = `\u{48}\u{65}\u{6c}\u{6c}\u{6f}${`\u{20}\u{020}\u{0020}\u{000020}`}\u{77}\u{6f}\u{72}\u{6c}\u{64}`;
 >x : string
->`\u{48}\u{65}\u{6c}\u{6c}\u{6f}${`\u{20}\u{020}\u{0020}\u{000020}`}\u{77}\u{6f}\u{72}\u{6c}\u{64}` : string
+>`\u{48}\u{65}\u{6c}\u{6c}\u{6f}${`\u{20}\u{020}\u{0020}\u{000020}`}\u{77}\u{6f}\u{72}\u{6c}\u{64}` : "Hello    world"
 >`\u{20}\u{020}\u{0020}\u{000020}` : "    "
 

From e35c42ec6f307db3baa813926b0474afcd7443bf Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Tue, 8 Dec 2020 14:45:05 -1000
Subject: [PATCH 05/11] Minor fixes

---
 src/compiler/types.ts                              | 1 +
 tests/baselines/reference/api/tsserverlibrary.d.ts | 1 -
 tests/baselines/reference/api/typescript.d.ts      | 1 -
 3 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index 54a5d236b6e99..b5da057c0f1c7 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -4991,6 +4991,7 @@ namespace ts {
 
     /* @internal */
     export type FreshableLiteralType = LiteralType | TemplateLiteralType;
+    /* @internal */
     export type FreshableType = FreshableLiteralType | FreshableIntrinsicType;
 
     // String literal types (TypeFlags.StringLiteral)
diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index b8ccd0e73d1cf..17d7af1a8bb41 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -2511,7 +2511,6 @@ declare namespace ts {
         aliasSymbol?: Symbol;
         aliasTypeArguments?: readonly Type[];
     }
-    export type FreshableType = FreshableLiteralType | FreshableIntrinsicType;
     export interface LiteralType extends Type {
         value: string | number | PseudoBigInt;
         freshType: LiteralType;
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index a3dea2016e000..a2fabe6574d24 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -2511,7 +2511,6 @@ declare namespace ts {
         aliasSymbol?: Symbol;
         aliasTypeArguments?: readonly Type[];
     }
-    export type FreshableType = FreshableLiteralType | FreshableIntrinsicType;
     export interface LiteralType extends Type {
         value: string | number | PseudoBigInt;
         freshType: LiteralType;

From dfd760d95cb3fff219c126c14c69b6d70adbf22b Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Tue, 8 Dec 2020 17:46:04 -1000
Subject: [PATCH 06/11] Add tests

---
 .../types/literal/templateLiteralTypes2.ts    | 93 +++++++++++++++++++
 1 file changed, 93 insertions(+)
 create mode 100644 tests/cases/conformance/types/literal/templateLiteralTypes2.ts

diff --git a/tests/cases/conformance/types/literal/templateLiteralTypes2.ts b/tests/cases/conformance/types/literal/templateLiteralTypes2.ts
new file mode 100644
index 0000000000000..22e5413cd8579
--- /dev/null
+++ b/tests/cases/conformance/types/literal/templateLiteralTypes2.ts
@@ -0,0 +1,93 @@
+// @strict: true
+// @declaration: true
+
+function ft1<T extends string>(s: string, n: number, u: 'foo' | 'bar' | 'baz', t: T) {
+    const c1 = `abc${s}`;  // `abc${string}`
+    const c2 = `abc${n}`;  // `abc${number}`
+    const c3 = `abc${u}`;  // "abcfoo" | "abcbar" | "abcbaz"
+    const c4 = `abc${t}`;  // `abc${T}
+    const d1: `abc${string}` = `abc${s}`;
+    const d2: `abc${number}` = `abc${n}`;
+    const d3: `abc${'foo' | 'bar' | 'baz'}` = `abc${u}`;
+    const d4: `abc${T}` = `abc${t}`;
+}
+
+function ft2(s: string) {
+    return `abc${s}`;
+}
+
+function ft10(s: string) {
+    const c1 = `abc${s}`;  // Widening type `abc${string}`
+    let v1 = c1;  // Type string
+    const c2 = c1;  // Widening type `abc${string}`
+    let v2 = c2;  // Type string
+    const c3: `abc${string}` = `abc${s}`;
+    let v3 = c3;  // Type `abc${string}`
+    const c4: `abc${string}` = c1;  // Type `abc${string}`
+    let v4 = c4;  // Type `abc${string}`
+}
+
+function ft11(s: string, cond: boolean) {
+    const c1 = cond ? `foo${s}` : `bar${s}`;  // widening `foo${string}` | widening `bar${string}`
+    const c2: `foo${string}` | `bar${string}` = c1;  // `foo${string}` | `bar${string}`
+    const c3 = cond ? c1 : c2;  // `foo${string}` | `bar${string}`
+    const c4 = cond ? c3 : `baz${s}`;  // `foo${string}` | `bar${string}` | widening `baz${string}`
+    const c5: `foo${string}` | `bar${string}` | `baz${string}` = c4; // `foo${string}` | `bar${string}` | `baz${string}`
+    let v1 = c1;  // string
+    let v2 = c2;  // `foo${string}` | `bar${string}`
+    let v3 = c3;  // `foo${string}` | `bar${string}`
+    let v4 = c4;  // string
+    let v5 = c5;  // `foo${string}` | `bar${string}` | `baz${string}`
+}
+
+function ft12(s: string) {
+    const c1 = `foo${s}`;
+    let v1 = c1;
+    const c2: `foo${string}` = `foo${s}`;
+    let v2 = c2;
+    const c3 = `foo${s}` as `foo${string}`;
+    let v3 = c3;
+    const c4 = <`foo${string}`>`foo${s}`;
+    let v4 = c4;
+    const c5 = `foo${s}` as const;
+    let v5 = c5;
+}
+
+declare function widening<T>(x: T): T;
+declare function nonWidening<T extends string | number | symbol>(x: T): T;
+
+function ft13(s: string, cond: boolean) {
+    let x1 = widening(`foo${s}`);
+    let x2 = widening(cond ? 'a' : `foo${s}`);
+    let y1 = nonWidening(`foo${s}`);
+    let y2 = nonWidening(cond ? 'a' : `foo${s}`);
+}
+
+type T0 = string | `${number}px`;
+
+// Repro from #41631
+
+declare function takesLiteral<T extends string>(literal: T): T extends `foo.bar.${infer R}` ? R : unknown;
+
+const t1 = takesLiteral("foo.bar.baz"); // "baz"
+const id2 = "foo.bar.baz";
+const t2 = takesLiteral(id2); // "baz"
+
+declare const someString: string;
+const t3 = takesLiteral(`foo.bar.${someString}`);  // string
+
+const id4 = `foo.bar.${someString}`;
+const t4 = takesLiteral(id4);  // string
+
+declare const someUnion: 'abc' | 'def' | 'ghi';
+const t5 = takesLiteral(`foo.bar.${someUnion}`);  // "abc" | "def" | "ghi"
+
+// Repro from #41732
+
+const pixelValue: number = 22;
+
+type PixelValueType = `${number}px`;
+
+const pixelString: PixelValueType = `22px`;
+
+const pixelStringWithTemplate: PixelValueType = `${pixelValue}px`;

From 54c3be98f5aa0479cc34fe495c0e5ef1ccc1d96f Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Tue, 8 Dec 2020 17:46:11 -1000
Subject: [PATCH 07/11] Accept new baselines

---
 .../reference/templateLiteralTypes2.js        | 185 ++++++++++
 .../reference/templateLiteralTypes2.symbols   | 296 ++++++++++++++++
 .../reference/templateLiteralTypes2.types     | 330 ++++++++++++++++++
 3 files changed, 811 insertions(+)
 create mode 100644 tests/baselines/reference/templateLiteralTypes2.js
 create mode 100644 tests/baselines/reference/templateLiteralTypes2.symbols
 create mode 100644 tests/baselines/reference/templateLiteralTypes2.types

diff --git a/tests/baselines/reference/templateLiteralTypes2.js b/tests/baselines/reference/templateLiteralTypes2.js
new file mode 100644
index 0000000000000..8b36bee5f7ff9
--- /dev/null
+++ b/tests/baselines/reference/templateLiteralTypes2.js
@@ -0,0 +1,185 @@
+//// [templateLiteralTypes2.ts]
+function ft1<T extends string>(s: string, n: number, u: 'foo' | 'bar' | 'baz', t: T) {
+    const c1 = `abc${s}`;  // `abc${string}`
+    const c2 = `abc${n}`;  // `abc${number}`
+    const c3 = `abc${u}`;  // "abcfoo" | "abcbar" | "abcbaz"
+    const c4 = `abc${t}`;  // `abc${T}
+    const d1: `abc${string}` = `abc${s}`;
+    const d2: `abc${number}` = `abc${n}`;
+    const d3: `abc${'foo' | 'bar' | 'baz'}` = `abc${u}`;
+    const d4: `abc${T}` = `abc${t}`;
+}
+
+function ft2(s: string) {
+    return `abc${s}`;
+}
+
+function ft10(s: string) {
+    const c1 = `abc${s}`;  // Widening type `abc${string}`
+    let v1 = c1;  // Type string
+    const c2 = c1;  // Widening type `abc${string}`
+    let v2 = c2;  // Type string
+    const c3: `abc${string}` = `abc${s}`;
+    let v3 = c3;  // Type `abc${string}`
+    const c4: `abc${string}` = c1;  // Type `abc${string}`
+    let v4 = c4;  // Type `abc${string}`
+}
+
+function ft11(s: string, cond: boolean) {
+    const c1 = cond ? `foo${s}` : `bar${s}`;  // widening `foo${string}` | widening `bar${string}`
+    const c2: `foo${string}` | `bar${string}` = c1;  // `foo${string}` | `bar${string}`
+    const c3 = cond ? c1 : c2;  // `foo${string}` | `bar${string}`
+    const c4 = cond ? c3 : `baz${s}`;  // `foo${string}` | `bar${string}` | widening `baz${string}`
+    const c5: `foo${string}` | `bar${string}` | `baz${string}` = c4; // `foo${string}` | `bar${string}` | `baz${string}`
+    let v1 = c1;  // string
+    let v2 = c2;  // `foo${string}` | `bar${string}`
+    let v3 = c3;  // `foo${string}` | `bar${string}`
+    let v4 = c4;  // string
+    let v5 = c5;  // `foo${string}` | `bar${string}` | `baz${string}`
+}
+
+function ft12(s: string) {
+    const c1 = `foo${s}`;
+    let v1 = c1;
+    const c2: `foo${string}` = `foo${s}`;
+    let v2 = c2;
+    const c3 = `foo${s}` as `foo${string}`;
+    let v3 = c3;
+    const c4 = <`foo${string}`>`foo${s}`;
+    let v4 = c4;
+    const c5 = `foo${s}` as const;
+    let v5 = c5;
+}
+
+declare function widening<T>(x: T): T;
+declare function nonWidening<T extends string | number | symbol>(x: T): T;
+
+function ft13(s: string, cond: boolean) {
+    let x1 = widening(`foo${s}`);
+    let x2 = widening(cond ? 'a' : `foo${s}`);
+    let y1 = nonWidening(`foo${s}`);
+    let y2 = nonWidening(cond ? 'a' : `foo${s}`);
+}
+
+type T0 = string | `${number}px`;
+
+// Repro from #41631
+
+declare function takesLiteral<T extends string>(literal: T): T extends `foo.bar.${infer R}` ? R : unknown;
+
+const t1 = takesLiteral("foo.bar.baz"); // "baz"
+const id2 = "foo.bar.baz";
+const t2 = takesLiteral(id2); // "baz"
+
+declare const someString: string;
+const t3 = takesLiteral(`foo.bar.${someString}`);  // string
+
+const id4 = `foo.bar.${someString}`;
+const t4 = takesLiteral(id4);  // string
+
+declare const someUnion: 'abc' | 'def' | 'ghi';
+const t5 = takesLiteral(`foo.bar.${someUnion}`);  // "abc" | "def" | "ghi"
+
+// Repro from #41732
+
+const pixelValue: number = 22;
+
+type PixelValueType = `${number}px`;
+
+const pixelString: PixelValueType = `22px`;
+
+const pixelStringWithTemplate: PixelValueType = `${pixelValue}px`;
+
+
+//// [templateLiteralTypes2.js]
+"use strict";
+function ft1(s, n, u, t) {
+    var c1 = "abc" + s; // `abc${string}`
+    var c2 = "abc" + n; // `abc${number}`
+    var c3 = "abc" + u; // "abcfoo" | "abcbar" | "abcbaz"
+    var c4 = "abc" + t; // `abc${T}
+    var d1 = "abc" + s;
+    var d2 = "abc" + n;
+    var d3 = "abc" + u;
+    var d4 = "abc" + t;
+}
+function ft2(s) {
+    return "abc" + s;
+}
+function ft10(s) {
+    var c1 = "abc" + s; // Widening type `abc${string}`
+    var v1 = c1; // Type string
+    var c2 = c1; // Widening type `abc${string}`
+    var v2 = c2; // Type string
+    var c3 = "abc" + s;
+    var v3 = c3; // Type `abc${string}`
+    var c4 = c1; // Type `abc${string}`
+    var v4 = c4; // Type `abc${string}`
+}
+function ft11(s, cond) {
+    var c1 = cond ? "foo" + s : "bar" + s; // widening `foo${string}` | widening `bar${string}`
+    var c2 = c1; // `foo${string}` | `bar${string}`
+    var c3 = cond ? c1 : c2; // `foo${string}` | `bar${string}`
+    var c4 = cond ? c3 : "baz" + s; // `foo${string}` | `bar${string}` | widening `baz${string}`
+    var c5 = c4; // `foo${string}` | `bar${string}` | `baz${string}`
+    var v1 = c1; // string
+    var v2 = c2; // `foo${string}` | `bar${string}`
+    var v3 = c3; // `foo${string}` | `bar${string}`
+    var v4 = c4; // string
+    var v5 = c5; // `foo${string}` | `bar${string}` | `baz${string}`
+}
+function ft12(s) {
+    var c1 = "foo" + s;
+    var v1 = c1;
+    var c2 = "foo" + s;
+    var v2 = c2;
+    var c3 = "foo" + s;
+    var v3 = c3;
+    var c4 = "foo" + s;
+    var v4 = c4;
+    var c5 = "foo" + s;
+    var v5 = c5;
+}
+function ft13(s, cond) {
+    var x1 = widening("foo" + s);
+    var x2 = widening(cond ? 'a' : "foo" + s);
+    var y1 = nonWidening("foo" + s);
+    var y2 = nonWidening(cond ? 'a' : "foo" + s);
+}
+var t1 = takesLiteral("foo.bar.baz"); // "baz"
+var id2 = "foo.bar.baz";
+var t2 = takesLiteral(id2); // "baz"
+var t3 = takesLiteral("foo.bar." + someString); // string
+var id4 = "foo.bar." + someString;
+var t4 = takesLiteral(id4); // string
+var t5 = takesLiteral("foo.bar." + someUnion); // "abc" | "def" | "ghi"
+// Repro from #41732
+var pixelValue = 22;
+var pixelString = "22px";
+var pixelStringWithTemplate = pixelValue + "px";
+
+
+//// [templateLiteralTypes2.d.ts]
+declare function ft1<T extends string>(s: string, n: number, u: 'foo' | 'bar' | 'baz', t: T): void;
+declare function ft2(s: string): `abc${string}`;
+declare function ft10(s: string): void;
+declare function ft11(s: string, cond: boolean): void;
+declare function ft12(s: string): void;
+declare function widening<T>(x: T): T;
+declare function nonWidening<T extends string | number | symbol>(x: T): T;
+declare function ft13(s: string, cond: boolean): void;
+declare type T0 = string | `${number}px`;
+declare function takesLiteral<T extends string>(literal: T): T extends `foo.bar.${infer R}` ? R : unknown;
+declare const t1: "baz";
+declare const id2 = "foo.bar.baz";
+declare const t2: "baz";
+declare const someString: string;
+declare const t3: string;
+declare const id4: string;
+declare const t4: string;
+declare const someUnion: 'abc' | 'def' | 'ghi';
+declare const t5: "abc" | "def" | "ghi";
+declare const pixelValue: number;
+declare type PixelValueType = `${number}px`;
+declare const pixelString: PixelValueType;
+declare const pixelStringWithTemplate: PixelValueType;
diff --git a/tests/baselines/reference/templateLiteralTypes2.symbols b/tests/baselines/reference/templateLiteralTypes2.symbols
new file mode 100644
index 0000000000000..22c9bb925dac4
--- /dev/null
+++ b/tests/baselines/reference/templateLiteralTypes2.symbols
@@ -0,0 +1,296 @@
+=== tests/cases/conformance/types/literal/templateLiteralTypes2.ts ===
+function ft1<T extends string>(s: string, n: number, u: 'foo' | 'bar' | 'baz', t: T) {
+>ft1 : Symbol(ft1, Decl(templateLiteralTypes2.ts, 0, 0))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 0, 13))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 0, 31))
+>n : Symbol(n, Decl(templateLiteralTypes2.ts, 0, 41))
+>u : Symbol(u, Decl(templateLiteralTypes2.ts, 0, 52))
+>t : Symbol(t, Decl(templateLiteralTypes2.ts, 0, 78))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 0, 13))
+
+    const c1 = `abc${s}`;  // `abc${string}`
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 1, 9))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 0, 31))
+
+    const c2 = `abc${n}`;  // `abc${number}`
+>c2 : Symbol(c2, Decl(templateLiteralTypes2.ts, 2, 9))
+>n : Symbol(n, Decl(templateLiteralTypes2.ts, 0, 41))
+
+    const c3 = `abc${u}`;  // "abcfoo" | "abcbar" | "abcbaz"
+>c3 : Symbol(c3, Decl(templateLiteralTypes2.ts, 3, 9))
+>u : Symbol(u, Decl(templateLiteralTypes2.ts, 0, 52))
+
+    const c4 = `abc${t}`;  // `abc${T}
+>c4 : Symbol(c4, Decl(templateLiteralTypes2.ts, 4, 9))
+>t : Symbol(t, Decl(templateLiteralTypes2.ts, 0, 78))
+
+    const d1: `abc${string}` = `abc${s}`;
+>d1 : Symbol(d1, Decl(templateLiteralTypes2.ts, 5, 9))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 0, 31))
+
+    const d2: `abc${number}` = `abc${n}`;
+>d2 : Symbol(d2, Decl(templateLiteralTypes2.ts, 6, 9))
+>n : Symbol(n, Decl(templateLiteralTypes2.ts, 0, 41))
+
+    const d3: `abc${'foo' | 'bar' | 'baz'}` = `abc${u}`;
+>d3 : Symbol(d3, Decl(templateLiteralTypes2.ts, 7, 9))
+>u : Symbol(u, Decl(templateLiteralTypes2.ts, 0, 52))
+
+    const d4: `abc${T}` = `abc${t}`;
+>d4 : Symbol(d4, Decl(templateLiteralTypes2.ts, 8, 9))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 0, 13))
+>t : Symbol(t, Decl(templateLiteralTypes2.ts, 0, 78))
+}
+
+function ft2(s: string) {
+>ft2 : Symbol(ft2, Decl(templateLiteralTypes2.ts, 9, 1))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 11, 13))
+
+    return `abc${s}`;
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 11, 13))
+}
+
+function ft10(s: string) {
+>ft10 : Symbol(ft10, Decl(templateLiteralTypes2.ts, 13, 1))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 15, 14))
+
+    const c1 = `abc${s}`;  // Widening type `abc${string}`
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 16, 9))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 15, 14))
+
+    let v1 = c1;  // Type string
+>v1 : Symbol(v1, Decl(templateLiteralTypes2.ts, 17, 7))
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 16, 9))
+
+    const c2 = c1;  // Widening type `abc${string}`
+>c2 : Symbol(c2, Decl(templateLiteralTypes2.ts, 18, 9))
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 16, 9))
+
+    let v2 = c2;  // Type string
+>v2 : Symbol(v2, Decl(templateLiteralTypes2.ts, 19, 7))
+>c2 : Symbol(c2, Decl(templateLiteralTypes2.ts, 18, 9))
+
+    const c3: `abc${string}` = `abc${s}`;
+>c3 : Symbol(c3, Decl(templateLiteralTypes2.ts, 20, 9))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 15, 14))
+
+    let v3 = c3;  // Type `abc${string}`
+>v3 : Symbol(v3, Decl(templateLiteralTypes2.ts, 21, 7))
+>c3 : Symbol(c3, Decl(templateLiteralTypes2.ts, 20, 9))
+
+    const c4: `abc${string}` = c1;  // Type `abc${string}`
+>c4 : Symbol(c4, Decl(templateLiteralTypes2.ts, 22, 9))
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 16, 9))
+
+    let v4 = c4;  // Type `abc${string}`
+>v4 : Symbol(v4, Decl(templateLiteralTypes2.ts, 23, 7))
+>c4 : Symbol(c4, Decl(templateLiteralTypes2.ts, 22, 9))
+}
+
+function ft11(s: string, cond: boolean) {
+>ft11 : Symbol(ft11, Decl(templateLiteralTypes2.ts, 24, 1))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 26, 14))
+>cond : Symbol(cond, Decl(templateLiteralTypes2.ts, 26, 24))
+
+    const c1 = cond ? `foo${s}` : `bar${s}`;  // widening `foo${string}` | widening `bar${string}`
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 27, 9))
+>cond : Symbol(cond, Decl(templateLiteralTypes2.ts, 26, 24))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 26, 14))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 26, 14))
+
+    const c2: `foo${string}` | `bar${string}` = c1;  // `foo${string}` | `bar${string}`
+>c2 : Symbol(c2, Decl(templateLiteralTypes2.ts, 28, 9))
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 27, 9))
+
+    const c3 = cond ? c1 : c2;  // `foo${string}` | `bar${string}`
+>c3 : Symbol(c3, Decl(templateLiteralTypes2.ts, 29, 9))
+>cond : Symbol(cond, Decl(templateLiteralTypes2.ts, 26, 24))
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 27, 9))
+>c2 : Symbol(c2, Decl(templateLiteralTypes2.ts, 28, 9))
+
+    const c4 = cond ? c3 : `baz${s}`;  // `foo${string}` | `bar${string}` | widening `baz${string}`
+>c4 : Symbol(c4, Decl(templateLiteralTypes2.ts, 30, 9))
+>cond : Symbol(cond, Decl(templateLiteralTypes2.ts, 26, 24))
+>c3 : Symbol(c3, Decl(templateLiteralTypes2.ts, 29, 9))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 26, 14))
+
+    const c5: `foo${string}` | `bar${string}` | `baz${string}` = c4; // `foo${string}` | `bar${string}` | `baz${string}`
+>c5 : Symbol(c5, Decl(templateLiteralTypes2.ts, 31, 9))
+>c4 : Symbol(c4, Decl(templateLiteralTypes2.ts, 30, 9))
+
+    let v1 = c1;  // string
+>v1 : Symbol(v1, Decl(templateLiteralTypes2.ts, 32, 7))
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 27, 9))
+
+    let v2 = c2;  // `foo${string}` | `bar${string}`
+>v2 : Symbol(v2, Decl(templateLiteralTypes2.ts, 33, 7))
+>c2 : Symbol(c2, Decl(templateLiteralTypes2.ts, 28, 9))
+
+    let v3 = c3;  // `foo${string}` | `bar${string}`
+>v3 : Symbol(v3, Decl(templateLiteralTypes2.ts, 34, 7))
+>c3 : Symbol(c3, Decl(templateLiteralTypes2.ts, 29, 9))
+
+    let v4 = c4;  // string
+>v4 : Symbol(v4, Decl(templateLiteralTypes2.ts, 35, 7))
+>c4 : Symbol(c4, Decl(templateLiteralTypes2.ts, 30, 9))
+
+    let v5 = c5;  // `foo${string}` | `bar${string}` | `baz${string}`
+>v5 : Symbol(v5, Decl(templateLiteralTypes2.ts, 36, 7))
+>c5 : Symbol(c5, Decl(templateLiteralTypes2.ts, 31, 9))
+}
+
+function ft12(s: string) {
+>ft12 : Symbol(ft12, Decl(templateLiteralTypes2.ts, 37, 1))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 39, 14))
+
+    const c1 = `foo${s}`;
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 40, 9))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 39, 14))
+
+    let v1 = c1;
+>v1 : Symbol(v1, Decl(templateLiteralTypes2.ts, 41, 7))
+>c1 : Symbol(c1, Decl(templateLiteralTypes2.ts, 40, 9))
+
+    const c2: `foo${string}` = `foo${s}`;
+>c2 : Symbol(c2, Decl(templateLiteralTypes2.ts, 42, 9))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 39, 14))
+
+    let v2 = c2;
+>v2 : Symbol(v2, Decl(templateLiteralTypes2.ts, 43, 7))
+>c2 : Symbol(c2, Decl(templateLiteralTypes2.ts, 42, 9))
+
+    const c3 = `foo${s}` as `foo${string}`;
+>c3 : Symbol(c3, Decl(templateLiteralTypes2.ts, 44, 9))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 39, 14))
+
+    let v3 = c3;
+>v3 : Symbol(v3, Decl(templateLiteralTypes2.ts, 45, 7))
+>c3 : Symbol(c3, Decl(templateLiteralTypes2.ts, 44, 9))
+
+    const c4 = <`foo${string}`>`foo${s}`;
+>c4 : Symbol(c4, Decl(templateLiteralTypes2.ts, 46, 9))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 39, 14))
+
+    let v4 = c4;
+>v4 : Symbol(v4, Decl(templateLiteralTypes2.ts, 47, 7))
+>c4 : Symbol(c4, Decl(templateLiteralTypes2.ts, 46, 9))
+
+    const c5 = `foo${s}` as const;
+>c5 : Symbol(c5, Decl(templateLiteralTypes2.ts, 48, 9))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 39, 14))
+
+    let v5 = c5;
+>v5 : Symbol(v5, Decl(templateLiteralTypes2.ts, 49, 7))
+>c5 : Symbol(c5, Decl(templateLiteralTypes2.ts, 48, 9))
+}
+
+declare function widening<T>(x: T): T;
+>widening : Symbol(widening, Decl(templateLiteralTypes2.ts, 50, 1))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 52, 26))
+>x : Symbol(x, Decl(templateLiteralTypes2.ts, 52, 29))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 52, 26))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 52, 26))
+
+declare function nonWidening<T extends string | number | symbol>(x: T): T;
+>nonWidening : Symbol(nonWidening, Decl(templateLiteralTypes2.ts, 52, 38))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 53, 29))
+>x : Symbol(x, Decl(templateLiteralTypes2.ts, 53, 65))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 53, 29))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 53, 29))
+
+function ft13(s: string, cond: boolean) {
+>ft13 : Symbol(ft13, Decl(templateLiteralTypes2.ts, 53, 74))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 55, 14))
+>cond : Symbol(cond, Decl(templateLiteralTypes2.ts, 55, 24))
+
+    let x1 = widening(`foo${s}`);
+>x1 : Symbol(x1, Decl(templateLiteralTypes2.ts, 56, 7))
+>widening : Symbol(widening, Decl(templateLiteralTypes2.ts, 50, 1))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 55, 14))
+
+    let x2 = widening(cond ? 'a' : `foo${s}`);
+>x2 : Symbol(x2, Decl(templateLiteralTypes2.ts, 57, 7))
+>widening : Symbol(widening, Decl(templateLiteralTypes2.ts, 50, 1))
+>cond : Symbol(cond, Decl(templateLiteralTypes2.ts, 55, 24))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 55, 14))
+
+    let y1 = nonWidening(`foo${s}`);
+>y1 : Symbol(y1, Decl(templateLiteralTypes2.ts, 58, 7))
+>nonWidening : Symbol(nonWidening, Decl(templateLiteralTypes2.ts, 52, 38))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 55, 14))
+
+    let y2 = nonWidening(cond ? 'a' : `foo${s}`);
+>y2 : Symbol(y2, Decl(templateLiteralTypes2.ts, 59, 7))
+>nonWidening : Symbol(nonWidening, Decl(templateLiteralTypes2.ts, 52, 38))
+>cond : Symbol(cond, Decl(templateLiteralTypes2.ts, 55, 24))
+>s : Symbol(s, Decl(templateLiteralTypes2.ts, 55, 14))
+}
+
+type T0 = string | `${number}px`;
+>T0 : Symbol(T0, Decl(templateLiteralTypes2.ts, 60, 1))
+
+// Repro from #41631
+
+declare function takesLiteral<T extends string>(literal: T): T extends `foo.bar.${infer R}` ? R : unknown;
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 66, 30))
+>literal : Symbol(literal, Decl(templateLiteralTypes2.ts, 66, 48))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 66, 30))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 66, 30))
+>R : Symbol(R, Decl(templateLiteralTypes2.ts, 66, 87))
+>R : Symbol(R, Decl(templateLiteralTypes2.ts, 66, 87))
+
+const t1 = takesLiteral("foo.bar.baz"); // "baz"
+>t1 : Symbol(t1, Decl(templateLiteralTypes2.ts, 68, 5))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
+
+const id2 = "foo.bar.baz";
+>id2 : Symbol(id2, Decl(templateLiteralTypes2.ts, 69, 5))
+
+const t2 = takesLiteral(id2); // "baz"
+>t2 : Symbol(t2, Decl(templateLiteralTypes2.ts, 70, 5))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
+>id2 : Symbol(id2, Decl(templateLiteralTypes2.ts, 69, 5))
+
+declare const someString: string;
+>someString : Symbol(someString, Decl(templateLiteralTypes2.ts, 72, 13))
+
+const t3 = takesLiteral(`foo.bar.${someString}`);  // string
+>t3 : Symbol(t3, Decl(templateLiteralTypes2.ts, 73, 5))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
+>someString : Symbol(someString, Decl(templateLiteralTypes2.ts, 72, 13))
+
+const id4 = `foo.bar.${someString}`;
+>id4 : Symbol(id4, Decl(templateLiteralTypes2.ts, 75, 5))
+>someString : Symbol(someString, Decl(templateLiteralTypes2.ts, 72, 13))
+
+const t4 = takesLiteral(id4);  // string
+>t4 : Symbol(t4, Decl(templateLiteralTypes2.ts, 76, 5))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
+>id4 : Symbol(id4, Decl(templateLiteralTypes2.ts, 75, 5))
+
+declare const someUnion: 'abc' | 'def' | 'ghi';
+>someUnion : Symbol(someUnion, Decl(templateLiteralTypes2.ts, 78, 13))
+
+const t5 = takesLiteral(`foo.bar.${someUnion}`);  // "abc" | "def" | "ghi"
+>t5 : Symbol(t5, Decl(templateLiteralTypes2.ts, 79, 5))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
+>someUnion : Symbol(someUnion, Decl(templateLiteralTypes2.ts, 78, 13))
+
+// Repro from #41732
+
+const pixelValue: number = 22;
+>pixelValue : Symbol(pixelValue, Decl(templateLiteralTypes2.ts, 83, 5))
+
+type PixelValueType = `${number}px`;
+>PixelValueType : Symbol(PixelValueType, Decl(templateLiteralTypes2.ts, 83, 30))
+
+const pixelString: PixelValueType = `22px`;
+>pixelString : Symbol(pixelString, Decl(templateLiteralTypes2.ts, 87, 5))
+>PixelValueType : Symbol(PixelValueType, Decl(templateLiteralTypes2.ts, 83, 30))
+
+const pixelStringWithTemplate: PixelValueType = `${pixelValue}px`;
+>pixelStringWithTemplate : Symbol(pixelStringWithTemplate, Decl(templateLiteralTypes2.ts, 89, 5))
+>PixelValueType : Symbol(PixelValueType, Decl(templateLiteralTypes2.ts, 83, 30))
+>pixelValue : Symbol(pixelValue, Decl(templateLiteralTypes2.ts, 83, 5))
+
diff --git a/tests/baselines/reference/templateLiteralTypes2.types b/tests/baselines/reference/templateLiteralTypes2.types
new file mode 100644
index 0000000000000..fcecaeceeb682
--- /dev/null
+++ b/tests/baselines/reference/templateLiteralTypes2.types
@@ -0,0 +1,330 @@
+=== tests/cases/conformance/types/literal/templateLiteralTypes2.ts ===
+function ft1<T extends string>(s: string, n: number, u: 'foo' | 'bar' | 'baz', t: T) {
+>ft1 : <T extends string>(s: string, n: number, u: 'foo' | 'bar' | 'baz', t: T) => void
+>s : string
+>n : number
+>u : "foo" | "bar" | "baz"
+>t : T
+
+    const c1 = `abc${s}`;  // `abc${string}`
+>c1 : `abc${string}`
+>`abc${s}` : `abc${string}`
+>s : string
+
+    const c2 = `abc${n}`;  // `abc${number}`
+>c2 : `abc${number}`
+>`abc${n}` : `abc${number}`
+>n : number
+
+    const c3 = `abc${u}`;  // "abcfoo" | "abcbar" | "abcbaz"
+>c3 : "abcfoo" | "abcbar" | "abcbaz"
+>`abc${u}` : "abcfoo" | "abcbar" | "abcbaz"
+>u : "foo" | "bar" | "baz"
+
+    const c4 = `abc${t}`;  // `abc${T}
+>c4 : `abc${T}`
+>`abc${t}` : `abc${T}`
+>t : T
+
+    const d1: `abc${string}` = `abc${s}`;
+>d1 : `abc${string}`
+>`abc${s}` : `abc${string}`
+>s : string
+
+    const d2: `abc${number}` = `abc${n}`;
+>d2 : `abc${number}`
+>`abc${n}` : `abc${number}`
+>n : number
+
+    const d3: `abc${'foo' | 'bar' | 'baz'}` = `abc${u}`;
+>d3 : "abcfoo" | "abcbar" | "abcbaz"
+>`abc${u}` : "abcfoo" | "abcbar" | "abcbaz"
+>u : "foo" | "bar" | "baz"
+
+    const d4: `abc${T}` = `abc${t}`;
+>d4 : `abc${T}`
+>`abc${t}` : `abc${T}`
+>t : T
+}
+
+function ft2(s: string) {
+>ft2 : (s: string) => `abc${string}`
+>s : string
+
+    return `abc${s}`;
+>`abc${s}` : `abc${string}`
+>s : string
+}
+
+function ft10(s: string) {
+>ft10 : (s: string) => void
+>s : string
+
+    const c1 = `abc${s}`;  // Widening type `abc${string}`
+>c1 : `abc${string}`
+>`abc${s}` : `abc${string}`
+>s : string
+
+    let v1 = c1;  // Type string
+>v1 : string
+>c1 : `abc${string}`
+
+    const c2 = c1;  // Widening type `abc${string}`
+>c2 : `abc${string}`
+>c1 : `abc${string}`
+
+    let v2 = c2;  // Type string
+>v2 : string
+>c2 : `abc${string}`
+
+    const c3: `abc${string}` = `abc${s}`;
+>c3 : `abc${string}`
+>`abc${s}` : `abc${string}`
+>s : string
+
+    let v3 = c3;  // Type `abc${string}`
+>v3 : `abc${string}`
+>c3 : `abc${string}`
+
+    const c4: `abc${string}` = c1;  // Type `abc${string}`
+>c4 : `abc${string}`
+>c1 : `abc${string}`
+
+    let v4 = c4;  // Type `abc${string}`
+>v4 : `abc${string}`
+>c4 : `abc${string}`
+}
+
+function ft11(s: string, cond: boolean) {
+>ft11 : (s: string, cond: boolean) => void
+>s : string
+>cond : boolean
+
+    const c1 = cond ? `foo${s}` : `bar${s}`;  // widening `foo${string}` | widening `bar${string}`
+>c1 : `foo${string}` | `bar${string}`
+>cond ? `foo${s}` : `bar${s}` : `foo${string}` | `bar${string}`
+>cond : boolean
+>`foo${s}` : `foo${string}`
+>s : string
+>`bar${s}` : `bar${string}`
+>s : string
+
+    const c2: `foo${string}` | `bar${string}` = c1;  // `foo${string}` | `bar${string}`
+>c2 : `foo${string}` | `bar${string}`
+>c1 : `foo${string}` | `bar${string}`
+
+    const c3 = cond ? c1 : c2;  // `foo${string}` | `bar${string}`
+>c3 : `foo${string}` | `bar${string}`
+>cond ? c1 : c2 : `foo${string}` | `bar${string}`
+>cond : boolean
+>c1 : `foo${string}` | `bar${string}`
+>c2 : `foo${string}` | `bar${string}`
+
+    const c4 = cond ? c3 : `baz${s}`;  // `foo${string}` | `bar${string}` | widening `baz${string}`
+>c4 : `foo${string}` | `bar${string}` | `baz${string}`
+>cond ? c3 : `baz${s}` : `foo${string}` | `bar${string}` | `baz${string}`
+>cond : boolean
+>c3 : `foo${string}` | `bar${string}`
+>`baz${s}` : `baz${string}`
+>s : string
+
+    const c5: `foo${string}` | `bar${string}` | `baz${string}` = c4; // `foo${string}` | `bar${string}` | `baz${string}`
+>c5 : `foo${string}` | `bar${string}` | `baz${string}`
+>c4 : `foo${string}` | `bar${string}` | `baz${string}`
+
+    let v1 = c1;  // string
+>v1 : string
+>c1 : `foo${string}` | `bar${string}`
+
+    let v2 = c2;  // `foo${string}` | `bar${string}`
+>v2 : `foo${string}` | `bar${string}`
+>c2 : `foo${string}` | `bar${string}`
+
+    let v3 = c3;  // `foo${string}` | `bar${string}`
+>v3 : `foo${string}` | `bar${string}`
+>c3 : `foo${string}` | `bar${string}`
+
+    let v4 = c4;  // string
+>v4 : string
+>c4 : `foo${string}` | `bar${string}` | `baz${string}`
+
+    let v5 = c5;  // `foo${string}` | `bar${string}` | `baz${string}`
+>v5 : `foo${string}` | `bar${string}` | `baz${string}`
+>c5 : `foo${string}` | `bar${string}` | `baz${string}`
+}
+
+function ft12(s: string) {
+>ft12 : (s: string) => void
+>s : string
+
+    const c1 = `foo${s}`;
+>c1 : `foo${string}`
+>`foo${s}` : `foo${string}`
+>s : string
+
+    let v1 = c1;
+>v1 : string
+>c1 : `foo${string}`
+
+    const c2: `foo${string}` = `foo${s}`;
+>c2 : `foo${string}`
+>`foo${s}` : `foo${string}`
+>s : string
+
+    let v2 = c2;
+>v2 : `foo${string}`
+>c2 : `foo${string}`
+
+    const c3 = `foo${s}` as `foo${string}`;
+>c3 : `foo${string}`
+>`foo${s}` as `foo${string}` : `foo${string}`
+>`foo${s}` : `foo${string}`
+>s : string
+
+    let v3 = c3;
+>v3 : `foo${string}`
+>c3 : `foo${string}`
+
+    const c4 = <`foo${string}`>`foo${s}`;
+>c4 : `foo${string}`
+><`foo${string}`>`foo${s}` : `foo${string}`
+>`foo${s}` : `foo${string}`
+>s : string
+
+    let v4 = c4;
+>v4 : `foo${string}`
+>c4 : `foo${string}`
+
+    const c5 = `foo${s}` as const;
+>c5 : `foo${string}`
+>`foo${s}` as const : `foo${string}`
+>`foo${s}` : `foo${string}`
+>s : string
+
+    let v5 = c5;
+>v5 : `foo${string}`
+>c5 : `foo${string}`
+}
+
+declare function widening<T>(x: T): T;
+>widening : <T>(x: T) => T
+>x : T
+
+declare function nonWidening<T extends string | number | symbol>(x: T): T;
+>nonWidening : <T extends string | number | symbol>(x: T) => T
+>x : T
+
+function ft13(s: string, cond: boolean) {
+>ft13 : (s: string, cond: boolean) => void
+>s : string
+>cond : boolean
+
+    let x1 = widening(`foo${s}`);
+>x1 : string
+>widening(`foo${s}`) : `foo${string}`
+>widening : <T>(x: T) => T
+>`foo${s}` : `foo${string}`
+>s : string
+
+    let x2 = widening(cond ? 'a' : `foo${s}`);
+>x2 : string
+>widening(cond ? 'a' : `foo${s}`) : `foo${string}` | "a"
+>widening : <T>(x: T) => T
+>cond ? 'a' : `foo${s}` : `foo${string}` | "a"
+>cond : boolean
+>'a' : "a"
+>`foo${s}` : `foo${string}`
+>s : string
+
+    let y1 = nonWidening(`foo${s}`);
+>y1 : `foo${string}`
+>nonWidening(`foo${s}`) : `foo${string}`
+>nonWidening : <T extends string | number | symbol>(x: T) => T
+>`foo${s}` : `foo${string}`
+>s : string
+
+    let y2 = nonWidening(cond ? 'a' : `foo${s}`);
+>y2 : `foo${string}` | "a"
+>nonWidening(cond ? 'a' : `foo${s}`) : `foo${string}` | "a"
+>nonWidening : <T extends string | number | symbol>(x: T) => T
+>cond ? 'a' : `foo${s}` : `foo${string}` | "a"
+>cond : boolean
+>'a' : "a"
+>`foo${s}` : `foo${string}`
+>s : string
+}
+
+type T0 = string | `${number}px`;
+>T0 : string
+
+// Repro from #41631
+
+declare function takesLiteral<T extends string>(literal: T): T extends `foo.bar.${infer R}` ? R : unknown;
+>takesLiteral : <T extends string>(literal: T) => T extends `foo.bar.${infer R}` ? R : unknown
+>literal : T
+
+const t1 = takesLiteral("foo.bar.baz"); // "baz"
+>t1 : "baz"
+>takesLiteral("foo.bar.baz") : "baz"
+>takesLiteral : <T extends string>(literal: T) => T extends `foo.bar.${infer R}` ? R : unknown
+>"foo.bar.baz" : "foo.bar.baz"
+
+const id2 = "foo.bar.baz";
+>id2 : "foo.bar.baz"
+>"foo.bar.baz" : "foo.bar.baz"
+
+const t2 = takesLiteral(id2); // "baz"
+>t2 : "baz"
+>takesLiteral(id2) : "baz"
+>takesLiteral : <T extends string>(literal: T) => T extends `foo.bar.${infer R}` ? R : unknown
+>id2 : "foo.bar.baz"
+
+declare const someString: string;
+>someString : string
+
+const t3 = takesLiteral(`foo.bar.${someString}`);  // string
+>t3 : string
+>takesLiteral(`foo.bar.${someString}`) : string
+>takesLiteral : <T extends string>(literal: T) => T extends `foo.bar.${infer R}` ? R : unknown
+>`foo.bar.${someString}` : `foo.bar.${string}`
+>someString : string
+
+const id4 = `foo.bar.${someString}`;
+>id4 : `foo.bar.${string}`
+>`foo.bar.${someString}` : `foo.bar.${string}`
+>someString : string
+
+const t4 = takesLiteral(id4);  // string
+>t4 : string
+>takesLiteral(id4) : string
+>takesLiteral : <T extends string>(literal: T) => T extends `foo.bar.${infer R}` ? R : unknown
+>id4 : `foo.bar.${string}`
+
+declare const someUnion: 'abc' | 'def' | 'ghi';
+>someUnion : "abc" | "def" | "ghi"
+
+const t5 = takesLiteral(`foo.bar.${someUnion}`);  // "abc" | "def" | "ghi"
+>t5 : "abc" | "def" | "ghi"
+>takesLiteral(`foo.bar.${someUnion}`) : "abc" | "def" | "ghi"
+>takesLiteral : <T extends string>(literal: T) => T extends `foo.bar.${infer R}` ? R : unknown
+>`foo.bar.${someUnion}` : "foo.bar.abc" | "foo.bar.def" | "foo.bar.ghi"
+>someUnion : "abc" | "def" | "ghi"
+
+// Repro from #41732
+
+const pixelValue: number = 22;
+>pixelValue : number
+>22 : 22
+
+type PixelValueType = `${number}px`;
+>PixelValueType : `${number}px`
+
+const pixelString: PixelValueType = `22px`;
+>pixelString : `${number}px`
+>`22px` : "22px"
+
+const pixelStringWithTemplate: PixelValueType = `${pixelValue}px`;
+>pixelStringWithTemplate : `${number}px`
+>`${pixelValue}px` : `${number}px`
+>pixelValue : number
+

From afcfd9ce03d5c843e2915352909af065c381e3cb Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Wed, 9 Dec 2020 06:20:44 -1000
Subject: [PATCH 08/11] Make new TypeFlags internal

---
 src/compiler/types.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/compiler/types.ts b/src/compiler/types.ts
index b5da057c0f1c7..cc5880589818e 100644
--- a/src/compiler/types.ts
+++ b/src/compiler/types.ts
@@ -4894,7 +4894,9 @@ namespace ts {
         Literal = StringLiteral | NumberLiteral | BigIntLiteral | BooleanLiteral,
         Unit = Literal | UniqueESSymbol | Nullable,
         StringOrNumberLiteral = StringLiteral | NumberLiteral,
+        /* @internal */
         StringLikeLiteral = StringLiteral | TemplateLiteral,
+        /* @internal */
         FreshableLiteral = Literal | TemplateLiteral,
         /* @internal */
         StringOrNumberLiteralOrUnique = StringLiteral | NumberLiteral | UniqueESSymbol,

From 96885c337e4c0de38a7dfd23cbfaa022e947ce8c Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Wed, 9 Dec 2020 06:28:17 -1000
Subject: [PATCH 09/11] Accept new API baselines

---
 tests/baselines/reference/api/tsserverlibrary.d.ts | 2 --
 tests/baselines/reference/api/typescript.d.ts      | 2 --
 2 files changed, 4 deletions(-)

diff --git a/tests/baselines/reference/api/tsserverlibrary.d.ts b/tests/baselines/reference/api/tsserverlibrary.d.ts
index 17d7af1a8bb41..7a7948b4e30fe 100644
--- a/tests/baselines/reference/api/tsserverlibrary.d.ts
+++ b/tests/baselines/reference/api/tsserverlibrary.d.ts
@@ -2484,8 +2484,6 @@ declare namespace ts {
         Literal = 2944,
         Unit = 109440,
         StringOrNumberLiteral = 384,
-        StringLikeLiteral = 134217856,
-        FreshableLiteral = 134220672,
         PossiblyFalsy = 117724,
         StringLike = 402653316,
         NumberLike = 296,
diff --git a/tests/baselines/reference/api/typescript.d.ts b/tests/baselines/reference/api/typescript.d.ts
index a2fabe6574d24..fb84daf5bcbec 100644
--- a/tests/baselines/reference/api/typescript.d.ts
+++ b/tests/baselines/reference/api/typescript.d.ts
@@ -2484,8 +2484,6 @@ declare namespace ts {
         Literal = 2944,
         Unit = 109440,
         StringOrNumberLiteral = 384,
-        StringLikeLiteral = 134217856,
-        FreshableLiteral = 134220672,
         PossiblyFalsy = 117724,
         StringLike = 402653316,
         NumberLike = 296,

From b3cdbf31c8bdd509f2d5b3bc3a6614e0604cfb6e Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Wed, 9 Dec 2020 10:55:43 -1000
Subject: [PATCH 10/11] Ensure template literals assignable to String, Object,
 {}, etc.

---
 src/compiler/checker.ts | 23 +++++++++++++----------
 1 file changed, 13 insertions(+), 10 deletions(-)

diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index ab7f0a0b0b882..f4c4f12f78076 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -17616,17 +17616,20 @@ namespace ts {
                     }
                 }
                 else if (source.flags & TypeFlags.TemplateLiteral) {
-                    if (target.flags & TypeFlags.TemplateLiteral &&
-                        (source as TemplateLiteralType).texts.length === (target as TemplateLiteralType).texts.length &&
-                        (source as TemplateLiteralType).types.length === (target as TemplateLiteralType).types.length &&
-                        every((source as TemplateLiteralType).texts, (t, i) => t === (target as TemplateLiteralType).texts[i]) &&
-                        every((instantiateType(source, makeFunctionTypeMapper(reportUnreliableMarkers)) as TemplateLiteralType).types, (t, i) => !!((target as TemplateLiteralType).types[i].flags & (TypeFlags.Any | TypeFlags.String)) || !!isRelatedTo(t, (target as TemplateLiteralType).types[i], /*reportErrors*/ false))) {
-                        return Ternary.True;
+                    if (target.flags & TypeFlags.TemplateLiteral) {
+                        if ((source as TemplateLiteralType).texts.length === (target as TemplateLiteralType).texts.length &&
+                            (source as TemplateLiteralType).types.length === (target as TemplateLiteralType).types.length &&
+                            every((source as TemplateLiteralType).texts, (t, i) => t === (target as TemplateLiteralType).texts[i]) &&
+                            every((instantiateType(source, makeFunctionTypeMapper(reportUnreliableMarkers)) as TemplateLiteralType).types, (t, i) => !!((target as TemplateLiteralType).types[i].flags & (TypeFlags.Any | TypeFlags.String)) || !!isRelatedTo(t, (target as TemplateLiteralType).types[i], /*reportErrors*/ false))) {
+                            return Ternary.True;
+                        }
                     }
-                    const constraint = getBaseConstraintOfType(source);
-                    if (constraint && constraint !== source && (result = isRelatedTo(constraint, target, reportErrors))) {
-                        resetErrorInfo(saveErrorInfo);
-                        return result;
+                    else {
+                        const constraint = getBaseConstraintOfType(source);
+                        if (result = isRelatedTo(constraint && constraint !== source ? constraint : stringType, target, reportErrors)) {
+                            resetErrorInfo(saveErrorInfo);
+                            return result;
+                        }
                     }
                 }
                 else if (source.flags & TypeFlags.StringMapping) {

From 5cf670b69c7b85f1453550e8ef52214b8f968da8 Mon Sep 17 00:00:00 2001
From: Anders Hejlsberg <andersh@microsoft.com>
Date: Wed, 9 Dec 2020 11:02:15 -1000
Subject: [PATCH 11/11] Add tests

---
 .../reference/templateLiteralTypes2.js        | 16 ++++
 .../reference/templateLiteralTypes2.symbols   | 94 ++++++++++++-------
 .../reference/templateLiteralTypes2.types     | 26 +++++
 .../types/literal/templateLiteralTypes2.ts    |  8 ++
 4 files changed, 111 insertions(+), 33 deletions(-)

diff --git a/tests/baselines/reference/templateLiteralTypes2.js b/tests/baselines/reference/templateLiteralTypes2.js
index 8b36bee5f7ff9..ce87e6b5869fb 100644
--- a/tests/baselines/reference/templateLiteralTypes2.js
+++ b/tests/baselines/reference/templateLiteralTypes2.js
@@ -63,6 +63,14 @@ function ft13(s: string, cond: boolean) {
 
 type T0 = string | `${number}px`;
 
+function ft14(t: `foo${number}`) {
+    let x1: string = t;
+    let x2: String = t;
+    let x3: Object = t;
+    let x4: {} = t;
+    let x6: { length: number } = t;
+}
+
 // Repro from #41631
 
 declare function takesLiteral<T extends string>(literal: T): T extends `foo.bar.${infer R}` ? R : unknown;
@@ -146,6 +154,13 @@ function ft13(s, cond) {
     var y1 = nonWidening("foo" + s);
     var y2 = nonWidening(cond ? 'a' : "foo" + s);
 }
+function ft14(t) {
+    var x1 = t;
+    var x2 = t;
+    var x3 = t;
+    var x4 = t;
+    var x6 = t;
+}
 var t1 = takesLiteral("foo.bar.baz"); // "baz"
 var id2 = "foo.bar.baz";
 var t2 = takesLiteral(id2); // "baz"
@@ -169,6 +184,7 @@ declare function widening<T>(x: T): T;
 declare function nonWidening<T extends string | number | symbol>(x: T): T;
 declare function ft13(s: string, cond: boolean): void;
 declare type T0 = string | `${number}px`;
+declare function ft14(t: `foo${number}`): void;
 declare function takesLiteral<T extends string>(literal: T): T extends `foo.bar.${infer R}` ? R : unknown;
 declare const t1: "baz";
 declare const id2 = "foo.bar.baz";
diff --git a/tests/baselines/reference/templateLiteralTypes2.symbols b/tests/baselines/reference/templateLiteralTypes2.symbols
index 22c9bb925dac4..71dd7f21f4476 100644
--- a/tests/baselines/reference/templateLiteralTypes2.symbols
+++ b/tests/baselines/reference/templateLiteralTypes2.symbols
@@ -229,68 +229,96 @@ function ft13(s: string, cond: boolean) {
 type T0 = string | `${number}px`;
 >T0 : Symbol(T0, Decl(templateLiteralTypes2.ts, 60, 1))
 
+function ft14(t: `foo${number}`) {
+>ft14 : Symbol(ft14, Decl(templateLiteralTypes2.ts, 62, 33))
+>t : Symbol(t, Decl(templateLiteralTypes2.ts, 64, 14))
+
+    let x1: string = t;
+>x1 : Symbol(x1, Decl(templateLiteralTypes2.ts, 65, 7))
+>t : Symbol(t, Decl(templateLiteralTypes2.ts, 64, 14))
+
+    let x2: String = t;
+>x2 : Symbol(x2, Decl(templateLiteralTypes2.ts, 66, 7))
+>String : Symbol(String, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>t : Symbol(t, Decl(templateLiteralTypes2.ts, 64, 14))
+
+    let x3: Object = t;
+>x3 : Symbol(x3, Decl(templateLiteralTypes2.ts, 67, 7))
+>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))
+>t : Symbol(t, Decl(templateLiteralTypes2.ts, 64, 14))
+
+    let x4: {} = t;
+>x4 : Symbol(x4, Decl(templateLiteralTypes2.ts, 68, 7))
+>t : Symbol(t, Decl(templateLiteralTypes2.ts, 64, 14))
+
+    let x6: { length: number } = t;
+>x6 : Symbol(x6, Decl(templateLiteralTypes2.ts, 69, 7))
+>length : Symbol(length, Decl(templateLiteralTypes2.ts, 69, 13))
+>t : Symbol(t, Decl(templateLiteralTypes2.ts, 64, 14))
+}
+
 // Repro from #41631
 
 declare function takesLiteral<T extends string>(literal: T): T extends `foo.bar.${infer R}` ? R : unknown;
->takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
->T : Symbol(T, Decl(templateLiteralTypes2.ts, 66, 30))
->literal : Symbol(literal, Decl(templateLiteralTypes2.ts, 66, 48))
->T : Symbol(T, Decl(templateLiteralTypes2.ts, 66, 30))
->T : Symbol(T, Decl(templateLiteralTypes2.ts, 66, 30))
->R : Symbol(R, Decl(templateLiteralTypes2.ts, 66, 87))
->R : Symbol(R, Decl(templateLiteralTypes2.ts, 66, 87))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 70, 1))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 74, 30))
+>literal : Symbol(literal, Decl(templateLiteralTypes2.ts, 74, 48))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 74, 30))
+>T : Symbol(T, Decl(templateLiteralTypes2.ts, 74, 30))
+>R : Symbol(R, Decl(templateLiteralTypes2.ts, 74, 87))
+>R : Symbol(R, Decl(templateLiteralTypes2.ts, 74, 87))
 
 const t1 = takesLiteral("foo.bar.baz"); // "baz"
->t1 : Symbol(t1, Decl(templateLiteralTypes2.ts, 68, 5))
->takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
+>t1 : Symbol(t1, Decl(templateLiteralTypes2.ts, 76, 5))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 70, 1))
 
 const id2 = "foo.bar.baz";
->id2 : Symbol(id2, Decl(templateLiteralTypes2.ts, 69, 5))
+>id2 : Symbol(id2, Decl(templateLiteralTypes2.ts, 77, 5))
 
 const t2 = takesLiteral(id2); // "baz"
->t2 : Symbol(t2, Decl(templateLiteralTypes2.ts, 70, 5))
->takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
->id2 : Symbol(id2, Decl(templateLiteralTypes2.ts, 69, 5))
+>t2 : Symbol(t2, Decl(templateLiteralTypes2.ts, 78, 5))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 70, 1))
+>id2 : Symbol(id2, Decl(templateLiteralTypes2.ts, 77, 5))
 
 declare const someString: string;
->someString : Symbol(someString, Decl(templateLiteralTypes2.ts, 72, 13))
+>someString : Symbol(someString, Decl(templateLiteralTypes2.ts, 80, 13))
 
 const t3 = takesLiteral(`foo.bar.${someString}`);  // string
->t3 : Symbol(t3, Decl(templateLiteralTypes2.ts, 73, 5))
->takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
->someString : Symbol(someString, Decl(templateLiteralTypes2.ts, 72, 13))
+>t3 : Symbol(t3, Decl(templateLiteralTypes2.ts, 81, 5))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 70, 1))
+>someString : Symbol(someString, Decl(templateLiteralTypes2.ts, 80, 13))
 
 const id4 = `foo.bar.${someString}`;
->id4 : Symbol(id4, Decl(templateLiteralTypes2.ts, 75, 5))
->someString : Symbol(someString, Decl(templateLiteralTypes2.ts, 72, 13))
+>id4 : Symbol(id4, Decl(templateLiteralTypes2.ts, 83, 5))
+>someString : Symbol(someString, Decl(templateLiteralTypes2.ts, 80, 13))
 
 const t4 = takesLiteral(id4);  // string
->t4 : Symbol(t4, Decl(templateLiteralTypes2.ts, 76, 5))
->takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
->id4 : Symbol(id4, Decl(templateLiteralTypes2.ts, 75, 5))
+>t4 : Symbol(t4, Decl(templateLiteralTypes2.ts, 84, 5))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 70, 1))
+>id4 : Symbol(id4, Decl(templateLiteralTypes2.ts, 83, 5))
 
 declare const someUnion: 'abc' | 'def' | 'ghi';
->someUnion : Symbol(someUnion, Decl(templateLiteralTypes2.ts, 78, 13))
+>someUnion : Symbol(someUnion, Decl(templateLiteralTypes2.ts, 86, 13))
 
 const t5 = takesLiteral(`foo.bar.${someUnion}`);  // "abc" | "def" | "ghi"
->t5 : Symbol(t5, Decl(templateLiteralTypes2.ts, 79, 5))
->takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 62, 33))
->someUnion : Symbol(someUnion, Decl(templateLiteralTypes2.ts, 78, 13))
+>t5 : Symbol(t5, Decl(templateLiteralTypes2.ts, 87, 5))
+>takesLiteral : Symbol(takesLiteral, Decl(templateLiteralTypes2.ts, 70, 1))
+>someUnion : Symbol(someUnion, Decl(templateLiteralTypes2.ts, 86, 13))
 
 // Repro from #41732
 
 const pixelValue: number = 22;
->pixelValue : Symbol(pixelValue, Decl(templateLiteralTypes2.ts, 83, 5))
+>pixelValue : Symbol(pixelValue, Decl(templateLiteralTypes2.ts, 91, 5))
 
 type PixelValueType = `${number}px`;
->PixelValueType : Symbol(PixelValueType, Decl(templateLiteralTypes2.ts, 83, 30))
+>PixelValueType : Symbol(PixelValueType, Decl(templateLiteralTypes2.ts, 91, 30))
 
 const pixelString: PixelValueType = `22px`;
->pixelString : Symbol(pixelString, Decl(templateLiteralTypes2.ts, 87, 5))
->PixelValueType : Symbol(PixelValueType, Decl(templateLiteralTypes2.ts, 83, 30))
+>pixelString : Symbol(pixelString, Decl(templateLiteralTypes2.ts, 95, 5))
+>PixelValueType : Symbol(PixelValueType, Decl(templateLiteralTypes2.ts, 91, 30))
 
 const pixelStringWithTemplate: PixelValueType = `${pixelValue}px`;
->pixelStringWithTemplate : Symbol(pixelStringWithTemplate, Decl(templateLiteralTypes2.ts, 89, 5))
->PixelValueType : Symbol(PixelValueType, Decl(templateLiteralTypes2.ts, 83, 30))
->pixelValue : Symbol(pixelValue, Decl(templateLiteralTypes2.ts, 83, 5))
+>pixelStringWithTemplate : Symbol(pixelStringWithTemplate, Decl(templateLiteralTypes2.ts, 97, 5))
+>PixelValueType : Symbol(PixelValueType, Decl(templateLiteralTypes2.ts, 91, 30))
+>pixelValue : Symbol(pixelValue, Decl(templateLiteralTypes2.ts, 91, 5))
 
diff --git a/tests/baselines/reference/templateLiteralTypes2.types b/tests/baselines/reference/templateLiteralTypes2.types
index fcecaeceeb682..1013a43a7b402 100644
--- a/tests/baselines/reference/templateLiteralTypes2.types
+++ b/tests/baselines/reference/templateLiteralTypes2.types
@@ -257,6 +257,32 @@ function ft13(s: string, cond: boolean) {
 type T0 = string | `${number}px`;
 >T0 : string
 
+function ft14(t: `foo${number}`) {
+>ft14 : (t: `foo${number}`) => void
+>t : `foo${number}`
+
+    let x1: string = t;
+>x1 : string
+>t : `foo${number}`
+
+    let x2: String = t;
+>x2 : String
+>t : `foo${number}`
+
+    let x3: Object = t;
+>x3 : Object
+>t : `foo${number}`
+
+    let x4: {} = t;
+>x4 : {}
+>t : `foo${number}`
+
+    let x6: { length: number } = t;
+>x6 : { length: number; }
+>length : number
+>t : `foo${number}`
+}
+
 // Repro from #41631
 
 declare function takesLiteral<T extends string>(literal: T): T extends `foo.bar.${infer R}` ? R : unknown;
diff --git a/tests/cases/conformance/types/literal/templateLiteralTypes2.ts b/tests/cases/conformance/types/literal/templateLiteralTypes2.ts
index 22e5413cd8579..248e0e5539a77 100644
--- a/tests/cases/conformance/types/literal/templateLiteralTypes2.ts
+++ b/tests/cases/conformance/types/literal/templateLiteralTypes2.ts
@@ -65,6 +65,14 @@ function ft13(s: string, cond: boolean) {
 
 type T0 = string | `${number}px`;
 
+function ft14(t: `foo${number}`) {
+    let x1: string = t;
+    let x2: String = t;
+    let x3: Object = t;
+    let x4: {} = t;
+    let x6: { length: number } = t;
+}
+
 // Repro from #41631
 
 declare function takesLiteral<T extends string>(literal: T): T extends `foo.bar.${infer R}` ? R : unknown;