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Swift 6.2: undesired "Capture of non-sendable type 'T.Type'" warnings

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

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

expressionsFeature: expressionsFeature: expressions

SendableArea → standard library: The Sendable protocolArea → standard library: The Sendable protocol

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

Status: Open.

#82116 In swiftlang/swift;

· groue opened on Jun 9, 2025

Inconsistent isolation of top-level closure

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

closuresFeature: closuresFeature: closures

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

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

Status: Open.

#81599 In swiftlang/swift;

· sutaner opened on May 19, 2025

<code>Mutex</code> allows to return the protected <code>Value</code> instance without reinitialization

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

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

Status: Open.

#81274 In swiftlang/swift;

· NSFatalError opened on May 3, 2025

@preconcurrency attribute on conformance to empty-but-not-really protocol has no effect

@preconcurrencyFeature → attributes: The @preconcurrency attributeFeature → attributes: The @preconcurrency 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.

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

conformancesFeature → protocol: protocol conformancesFeature → protocol: protocol conformances

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

Status: Open.

#81110 In swiftlang/swift;

· an0 opened on Apr 25, 2025

Compiler crashed when passing an actor's stored property to a function's isolated parameter

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

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

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

Status: Open.

#81019 In swiftlang/swift;

· rayx opened on Apr 23, 2025

Support @globalActor assumeIsolated

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

featureA feature request or implementationA feature request or implementation

Status: Open.

#80878 In swiftlang/swift;

· dehesa opened on Apr 17, 2025

Compiler crash (regression) relating to typed throws and primary associated types

async & awaitFeature → concurrency: asynchronous function aka the async/await patternFeature → concurrency: asynchronous function aka the async/await pattern

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

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

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

error handling

IRGenLLVM IR generationLLVM IR generation

swift 6.1

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

typed throwsFeature → error handling → throws & rethrows: Typed throwsFeature → error handling → throws & rethrows: Typed throws

Status: Open.

Bug

#80732 In swiftlang/swift;

· lawrence-forooghian opened on Apr 10, 2025

Copy of noncopyable typed value

async & awaitFeature → concurrency: asynchronous function aka the async/await patternFeature → concurrency: asynchronous function aka the async/await pattern

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

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

noncopyable struct/enumFeature → declarations: Noncopyable value type declarationsFeature → declarations: Noncopyable value type declarations

Status: Open.

#80724 In swiftlang/swift;

· iDmitriyy opened on Apr 10, 2025

Required await in default property initializer produces no_async_in_await warning

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

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

Status: Open.

#80624 In swiftlang/swift;

· danlshields opened on Apr 8, 2025

Conversion from <code>inout sending</code> to <code>inout</code> allows protected value to be transferred out

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

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

Status: Open.

#80489 In swiftlang/swift;

· NSFatalError opened on Apr 3, 2025

Compiler crash when adding async initializer to actor protocol

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

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

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

Status: Open.

#80406 In swiftlang/swift;

· davedelong opened on Mar 31, 2025

Keypath literals are created in disconnected regions allowing them to be sent to another isolation and cause data race

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

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

Status: Open.

#80388 In swiftlang/swift;

· nickolas-pohilets opened on Mar 29, 2025