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[C++ interop] Swift overload mysteriously not found when using imported namespaced enum

c++ interopFeature: Interoperability with C++Feature: Interoperability with C++

c++ to swiftFeature → c++ interop: c++ to swiftFeature → c++ interop: c++ to swift

compilerThe Swift compiler itselfThe Swift compiler itself

multiple filesFlag: An issue whose reproduction requires multiple filesFlag: An issue whose reproduction requires multiple files

multiple modulesFlag: An issue whose reproduction requires multiple modulesFlag: An issue whose reproduction requires multiple modules

swift 6.2

Status: Open.

Bug

#82318 In swiftlang/swift;

· AnthonyLatsis opened on Jun 17, 2025

[C++ interop] Function from other Swift module not found if it returns C++ template class

c++ interopFeature: Interoperability with C++Feature: Interoperability with C++

c++ to swiftFeature → c++ interop: c++ to swiftFeature → c++ interop: c++ to swift

compilerThe Swift compiler itselfThe Swift compiler itself

genericsFeature: generic declarations and typesFeature: generic declarations and types

multiple modulesFlag: An issue whose reproduction requires multiple modulesFlag: An issue whose reproduction requires multiple modules

swift 6.2

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

Status: Open.

Bug

#82297 In swiftlang/swift;

· AnthonyLatsis opened on Jun 17, 2025

[C++ interop] Deserialization failure — template class not found

c++ interopFeature: Interoperability with C++Feature: Interoperability with C++

c++ to swiftFeature → c++ interop: c++ to swiftFeature → c++ interop: c++ to swift

compilerThe Swift compiler itselfThe Swift compiler itself

crashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software

multiple modulesFlag: An issue whose reproduction requires multiple modulesFlag: An issue whose reproduction requires multiple modules

SILOptimizerArea → compiler: SIL optimization passesArea → compiler: SIL optimization passes

swift 6.2

Status: Open.

Bug

#82258 In swiftlang/swift;

· AnthonyLatsis opened on Jun 16, 2025

Parameter type cannot be inferred from contextual type in pack expansion on a closure associated with a result builder

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

expressionsFeature: expressionsFeature: expressions

result buildersFeature: Result buildersFeature: Result builders

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

variadic parametersFeature → declarations → function parameters: Variadic function parametersFeature → declarations → function parameters: Variadic function parameters

Status: Open.

#82246 In swiftlang/swift;

· ccerino-adobe opened on Jun 13, 2025

Typechecker does not propagate effects correctly on Windows

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

expressionsFeature: expressionsFeature: expressions

throws & rethrowsFeature → error handling: throws & rethrowsFeature → error handling: throws & rethrows

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

Status: Open.

#82236 In swiftlang/swift;

· jmschonfeld opened on Jun 13, 2025

Unnecessary retain/release pair around closure

ARCFeature: automatic reference countingFeature: automatic reference counting

closuresFeature: closuresFeature: closures

compilerThe Swift compiler itselfThe Swift compiler itself

expressionsFeature: expressionsFeature: expressions

performance

SILOptimizerArea → compiler: SIL optimization passesArea → compiler: SIL optimization passes

swift 6.2

Status: Open.

Bug

#82155 In swiftlang/swift;

· eeckstein opened on Jun 10, 2025

Invalid nested extension hits AvailabilityScope verifier failure with <code>-library-level api</code>

availabilityThe @available attribute and availability checking in generalThe @available attribute and availability checking in general

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

crashBug: A crash, i.e., an abnormal termination of softwareBug: A crash, i.e., an abnormal termination of software

found by fuzzerFlag: An issue found by fuzzing the compilerFlag: An issue found by fuzzing the compiler

Status: Open.

#81834 In swiftlang/swift;

· hamishknight opened on May 29, 2025

Bad diagnostic for <code>.init</code> + argument label mismatch + overloads

compilerThe Swift compiler itselfThe Swift compiler itself

diagnostics QoIBug: Diagnostics Quality of ImplementationBug: Diagnostics Quality of Implementation

expressionsFeature: expressionsFeature: expressions

overload resolutionArea → compiler → type checker: Overload resolution (ranking)Area → compiler → type checker: Overload resolution (ranking)

swift 6.2

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

Status: Open.

Bug

#81778 In swiftlang/swift;

· AnthonyLatsis opened on May 26, 2025

[AutoDiff] Incorrect derivative value for some functions containing ternary operators

AutoDiff

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

SILGenArea → compiler: The SIL generation stageArea → compiler: The SIL generation stage

swift 6.2

unexpected behaviorBug: Unexpected behavior or incorrect outputBug: Unexpected behavior or incorrect output

Status: Open.

#81777 In swiftlang/swift;

· kovdan01 opened on May 26, 2025

Variadic generic default argument does not work for single element cases

bugA deviation from expected or documented behavior. Also: expected but undesirable behavior.A deviation from expected or documented behavior. Also: expected but undesirable behavior.

compilerThe Swift compiler itselfThe Swift compiler itself

default argumentsFeature: default arguments for value parametersFeature: default arguments for value parameters

genericsFeature: generic declarations and typesFeature: generic declarations and types

parameter packsFeature → generics: Parameter packsFeature → generics: Parameter packs

type checkerArea → compiler: Semantic analysisArea → compiler: Semantic analysis

Status: Open.

#81741 In swiftlang/swift;

· hamishknight opened on May 23, 2025

Why does the branch coverage of all files show as 0% when using llvm-cov to analyze Swift files?

code coverageArea → source tooling: code coverageArea → source tooling: code coverage

compilerThe Swift compiler itselfThe Swift compiler itself

featureA feature request or implementationA feature request or implementation

IRGenLLVM IR generationLLVM IR generation

swift 6.2

unexpected behaviorBug: Unexpected behavior or incorrect outputBug: Unexpected behavior or incorrect output

Status: Open.

#81730 In swiftlang/swift;

· ZhengXiuQun opened on May 23, 2025

Improve diagnostics for 'let…else' without 'guard'

compilerThe Swift compiler itselfThe Swift compiler itself

diagnostics QoIBug: Diagnostics Quality of ImplementationBug: Diagnostics Quality of Implementation

featureA feature request or implementationA feature request or implementation

parserArea → compiler: The legacy C++ parserArea → compiler: The legacy C++ parser

swift 6.2

Status: Open.

#81728 In swiftlang/swift;

· jrose-signal opened on May 23, 2025