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ClangImporter is unable to handle shadowed aliasing

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

c/c++ macros

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

Status: Open.

#82121 In swiftlang/swift;

· compnerd opened on Jun 9, 2025

[Source compatibility suite] Alamofire and kommander projects are failing to build

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

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

compilerThe Swift compiler itselfThe Swift compiler itself

source compatibility suiteFlag: An issue that surfaced in the source compatibility suiteFlag: An issue that surfaced in the source compatibility suite

verifier

Status: Open.

#80935 In swiftlang/swift;

· xedin opened on Apr 20, 2025

Spurious warning about missing libc on AWS EC2 Linux instances

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

c interopFeature: Interoperability with CFeature: Interoperability with C

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

Status: Open.

#79865 In swiftlang/swift;

· earlywater opened on Mar 8, 2025

Incorrect method resolution for @objc @implementation when method name is duplicated

@objcFeature → attributes: The @objc attributeFeature → attributes: The @objc attribute

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

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

objective-c interopFeature: Interoperability with Objective-CFeature: Interoperability with Objective-C

triage neededThis issue needs more specific labelsThis issue needs more specific labels

Status: Open.

#79634 In swiftlang/swift;

· harlanhaskins opened on Feb 26, 2025

<code>Serialization/rdar29694978.swift</code> crashes with new driver

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

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

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

Status: Open.

#76641 In swiftlang/swift;

· hamishknight opened on Sep 22, 2024

NS_SWIFT_UI_ACTOR is ignored on block typedefs

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

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

compilerThe Swift compiler itselfThe Swift compiler itself

Status: Open.

#76099 In swiftlang/swift;

· xavierjurado opened on Aug 27, 2024

Interop: Cannot return <code>swift::Optional&lt;swift::String&gt;</code> from C++ function

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

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

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

Status: Open.

#76024 In swiftlang/swift;

· ADKaster opened on Aug 21, 2024

Import <code>thread_local</code> / <code>_Thread_local</code> marked APIs as <code>nonisolated(unsafe)</code>

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

concurrencyFeature: umbrella label for concurrency language featuresFeature: umbrella label for concurrency language features

featureA feature request or implementationA feature request or implementation

Status: Open.

#75820 In swiftlang/swift;

· kateinoigakukun opened on Aug 10, 2024

Support <code>__swift_attr__</code> to APINotes

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

featureA feature request or implementationA feature request or implementation

Status: Open.

#75819 In swiftlang/swift;

· kateinoigakukun opened on Aug 10, 2024

[cxx-interop] Using a C++ enum in Swift, cannot be used in C++ anymore (bi-directional Swift &lt;-&gt; C++ code)

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

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

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

compilerThe Swift compiler itselfThe Swift compiler itself

enumFeature → type declarations: Swift enumeration declarationsFeature → type declarations: Swift enumeration declarations

swift 5.10

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#75330 In swiftlang/swift;

· mrousavy opened on Jul 18, 2024

Crash when typechecking union with const field

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

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

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

Status: Open.

#74630 In swiftlang/swift;

· ellishg opened on Jun 21, 2024

Not all concurrency annotations added to Objective-C are visible in the Swift translation

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

clang importerArea → compiler: The clang importerArea → compiler: The clang importer

SourceKitArea → source tooling: SourceKitArea → source tooling: SourceKit

Status: Open.

#74629 In swiftlang/swift;

· mattmassicotte opened on Jun 21, 2024