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nonisolated(nonsending) closure loses isolation with capture list

capture listsFeature → closures: Closure capture listsFeature → closures: Closure capture lists

closuresFeature: closuresFeature: closures

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

expressionsFeature: expressionsFeature: expressions

nonisolated(nonsending)Feature → modifiers: The "nonisolated(nonsending)" modifierFeature → modifiers: The "nonisolated(nonsending)" modifier

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

Status: Open.

Bug

#87097 In swiftlang/swift;

· stephencelis opened on Feb 9, 2026

Add clang-cl support to clang-cache

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

Status: Open.

Feature

#87094 In swiftlang/swift;

· hjyamauchi opened on Feb 9, 2026

Instantiations of generic types are emitted into PDBs as <code>Swift::&lt;unnamed-tag&gt;</code>

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

Status: Open.

Bug

#87093 In swiftlang/swift;

· speednoisemovement opened on Feb 9, 2026

Builtins are limited to 6 generic parameters

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

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

Status: Open.

Bug

#87091 In swiftlang/swift;

· asl opened on Feb 9, 2026

[AutoDiff] Add differential operator overloads for throwing functions

AutoDiff

Status: Open.

Task

#87090 In swiftlang/swift;

· JaapWijnen opened on Feb 9, 2026

New Runtimes build needs to build swift-backtrace.

build

Status: Open.

Task

#87080 In swiftlang/swift;

· al45tair opened on Feb 9, 2026

Segmentation fault in SIL optimizer (EarlyPerfInliner) when compiling generic structs with MainActor isolation

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

Status: Open.

Bug

#87077 In swiftlang/swift;

· ShikiSuen opened on Feb 9, 2026

An inconsistence between reference type and value type when their instances are captured in a <code>sending</code> closure

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

Status: Open.

Bug

#87076 In swiftlang/swift;

· rayx opened on Feb 9, 2026

Consuming tuples of certain types crashes compiler

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

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

Status: Open.

Bug

#87074 In swiftlang/swift;

· jamieQ opened on Feb 9, 2026

[C++ Interop] Returning a vector of non-copyable types from a C++ function crashes in silgen emitFunction

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

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

Status: Open.

Bug

#87072 In swiftlang/swift;

· tothambrus11 opened on Feb 8, 2026

[C++ Interop] Implicitly deleted copy constructor is not recognized by the importer consistently

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

Status: Open.

Bug

#87071 In swiftlang/swift;

· tothambrus11 opened on Feb 8, 2026

[C++ Interop] Warning when storing C++ <code>vector</code> as a C++ class member: 'import_owned' Swift attribute ignored on type

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

Status: Open.

Bug

#87070 In swiftlang/swift;

· tothambrus11 opened on Feb 8, 2026