Add error code

Author: weswigham

src/services/codefixes/fixAddMissingConstraint.ts

@@ -11,6 +11,7 @@ namespace ts.codefix {
         Diagnostics.Argument_of_type_0_is_not_assignable_to_parameter_of_type_1_with_exactOptionalPropertyTypes_Colon_true_Consider_adding_undefined_to_the_types_of_the_target_s_properties.code,
         Diagnostics.Property_0_is_incompatible_with_index_signature.code,
         Diagnostics.Property_0_in_type_1_is_not_assignable_to_type_2.code,
+        Diagnostics.Type_0_does_not_satisfy_the_constraint_1.code,
     ];
     registerCodeFix({
         errorCodes,

tests/cases/fourslash/quickfixAddMissingConstraint2.ts

@@ -0,0 +1,21 @@
+/// <reference path="fourslash.ts" />
+
+// @Filename: file.ts
+////interface Fn<T extends string> {
+////}
+////
+////function m<T>(x: Fn<T/**/>) {
+////}
+goTo.marker("");
+verify.codeFix({
+    index: 0,
+    description: "Add `extends` constraint.",
+    newFileContent: {
+        "/tests/cases/fourslash/file.ts":
+`interface Fn<T extends string> {
+}
+
+function m<T extends string>(x: Fn<T>) {
+}`
+    }
+});