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[6.0] Mutex with enum value inside non-copyable crashes on linux

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

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

swift 6.0

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

Status: Open.

#80177 In swiftlang/swift;

· sliemeobn opened on Mar 20, 2025

SIL Value Ownership Error causes a compiler crash when building in Release mode for 6.0-series toolchains.

assertion failureBug → crash: An assertion failureBug → crash: An assertion failure

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

optimized onlyFlag: An issue whose reproduction requires optimized compilationFlag: An issue whose reproduction requires optimized compilation

SIL

SIL ownershipArea → compiler → SIL: SIL ownershipArea → compiler → SIL: SIL ownership

swift 6.0

verifier

Status: Open.

#78923 In swiftlang/swift;

· fibrechannelscsi opened on Jan 26, 2025

Apparent compiler bug relating to Optional witnessing failable initializer requirement

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

conformancesFeature → protocol: protocol conformancesFeature → protocol: protocol conformances

initFeature → declarations: InitializersFeature → declarations: Initializers

OptionalArea → standard library: The `Optional` typeArea → standard library: The `Optional` type

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

swift 6.0

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

Status: Open.

#78409 In swiftlang/swift;

· jeremyabannister opened on Jan 2, 2025

Crash when accessing generic property wrapper's <code>some</code> type-using wrappedValue

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

classFeature → type declarations: Class declarationsFeature → type declarations: Class declarations

compilerThe Swift compiler itselfThe Swift compiler itself

conformancesFeature → protocol: protocol conformancesFeature → protocol: protocol conformances

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

genericsFeature: generic declarations and typesFeature: generic declarations and types

opaque result typesFeature → types → opaque types: opaque result typesFeature → types → opaque types: opaque result types

opaque typesFeature → types: opaque typesFeature → types: opaque types

swift 6.0

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

Status: Open.

#78405 In swiftlang/swift;

· lukaskollmer opened on Jan 2, 2025

<code>BitwiseCopyable</code> attribute on C struct leads to compiler crash

attributesFeature: Declaration and type attributesFeature: Declaration and type attributes

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

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

IRGenLLVM IR generationLLVM IR generation

swift 6.0

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

Status: Open.

#78368 In swiftlang/swift;

· amomchilov opened on Dec 27, 2024

Swift Compiler crashes when using a weak self inside a callback

accepts invalidBug: Accepts invalidBug: Accepts invalid

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

closuresFeature: closuresFeature: closures

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

expressionsFeature: expressionsFeature: expressions

SIL

swift 6.0

Status: Open.

#78366 In swiftlang/swift;

· tapthaker opened on Dec 26, 2024

Overload resolution behavior of <code>==</code> permits type inference to "ignore" default float literal type if Foundation is imported

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

operatorsFeature: operatorsFeature: operators

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

swift 6.0

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

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

Status: Open.

#78365 In swiftlang/swift;

· xwu opened on Dec 26, 2024

[stdlib] Unable to compile for <code>riscv64-unknown-linux-gnu</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.

cross-compilationArea → utils: Cross-compilation of project sourcesArea → utils: Cross-compilation of project sources

platform support

riscvArchitecture: RISC-VArchitecture: RISC-V

swift 6.0

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#78349 In swiftlang/swift;

· colemancda opened on Dec 23, 2024

Passing a C++ type to a C-style Swift function crashes: <code>malloc: Heap corruption detected ***</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++

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

swift 6.0

swift to c++Feature → c++ interop: swift to c++Feature → c++ interop: swift to c++

Status: Open.

#78292 In swiftlang/swift;

· mrousavy opened on Dec 19, 2024

Compiler errors out on <code>let _: (any Any).Type = (any Any).self</code>

AnyFeature → types: The `Any` built-in typeFeature → types: The `Any` built-in type

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

existentialsFeature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased valuesFeature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values

expressionsFeature: expressionsFeature: expressions

metatypesFeature → types: MetatypesFeature → types: Metatypes

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

swift 6.0

typesFeature: typesFeature: types

Status: Open.

#78042 In swiftlang/swift;

· AnthonyLatsis opened on Dec 7, 2024

Solver-based cursor info doesn't work at top level

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

cursor infoArea → source tooling: cursor infoArea → source tooling: cursor info

source toolingArea: IDE support, SourceKit, and other source toolingArea: IDE support, SourceKit, and other source tooling

SourceKitArea → source tooling: SourceKitArea → source tooling: SourceKit

swift 6.0

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#77982 In swiftlang/swift;

· hamishknight opened on Dec 5, 2024

Compiler unnecessarily requires <code>mutating</code> in protocol extensions where <code>Self: AnyObject</code>

AnyObjectFeature → types: The `AnyObject` built-in typeFeature → types: The `AnyObject` built-in type

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

extensionFeature → declarations: `extension` declarationsFeature → declarations: `extension` declarations

generic constraintsFeature → generics: generic constraintsFeature → generics: generic constraints

mutatingFeature → declarations → functions: Mutating functionsFeature → declarations → functions: Mutating functions

protocolFeature → type declarations: Protocol declarationsFeature → type declarations: Protocol declarations

swift 6.0

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

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#77822 In swiftlang/swift;

· fwcd opened on Nov 24, 2024