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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

Incorrect 'class inherits from itself'

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

declarationsFeature: declarationsFeature: declarations

inheritance clausesFeature → type declarations: Type inheritance clausesFeature → type declarations: Type inheritance clauses

swift 6.0

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

type declarationsFeature → declarations: Type declarationsFeature → declarations: Type declarations

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#72715 In swiftlang/swift;

· karwa opened on Mar 29, 2024

Program is several times slower when compiled with swiftc than when compiled with XCode due to retain&amp;release calls

ARCFeature: automatic reference countingFeature: automatic reference counting

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

declarationsFeature: declarationsFeature: declarations

performance

run-time performance

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

type declarationsFeature → declarations: Type declarationsFeature → declarations: Type declarations

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

Status: Open.

#70745 In swiftlang/swift;

· yakubin opened on Jan 5, 2024

SILGenExpr crash when using parameter pack

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.

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

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

declarationsFeature: declarationsFeature: declarations

expressionsFeature: expressionsFeature: expressions

genericsFeature: generic declarations and typesFeature: generic declarations and types

let & varFeature: constant and variable declarationsFeature: constant and variable declarations

member expressionsFeature → expressions: Member expressionsFeature → expressions: Member expressions

pack expansionsFeature → expressions: Pack expansion expressionsFeature → expressions: Pack expansion expressions

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

regression

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

swift 6.0

Status: Open.

#69945 In swiftlang/swift;

· theblixguy opened on Nov 17, 2023

<code>any</code> cannot be used for reference type parameters like <code>some</code> can

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

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

not a bugResolution → not a bug: Reported as a bug but turned out to be expected behavior or programmer errorResolution → not a bug: Reported as a bug but turned out to be expected behavior or programmer error

swift 5.9

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

typesFeature: typesFeature: types

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#66165 In swiftlang/swift;

· JessyCatterwaul opened on May 26, 2023

[interop] bridge Swift class types across Swift -&gt; C++ -&gt; Swift boundary

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++

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

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

compilerThe Swift compiler itselfThe Swift compiler itself

swift 5.9

Status: Open.

#64317 In swiftlang/swift;

· hyp opened on Mar 13, 2023

Subclassing open class with private async/await methods fails

access controlFeature → modifiers: Access control and access levelsFeature → modifiers: Access control and access levels

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.

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

compilerThe Swift compiler itselfThe Swift compiler itself

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

inheritanceFeature → type declarations → class: Subclassing and inheritance of class membersFeature → type declarations → class: Subclassing and inheritance of class members

linker error

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

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

swift 5.7

unexpected errorBug: Unexpected errorBug: Unexpected error

Status: Open.

#63303 In swiftlang/swift;

· beniaminidziak opened on Jan 30, 2023

[SR-13930] Index store does not relate objc optional protocol method implemented in subclass

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

conformancesFeature → protocol: protocol conformancesFeature → protocol: protocol conformances

declarationsFeature: declarationsFeature: declarations

indexingArea → source tooling: AST indexingArea → source tooling: AST indexing

inheritanceFeature → type declarations → class: Subclassing and inheritance of class membersFeature → type declarations → class: Subclassing and inheritance of class members

optional protocol requirementsFeature → protocol: optional protocol requirementsFeature → protocol: optional protocol requirements

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

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

swift 5.9

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

Status: Open.

#56327 In swiftlang/swift;

· swift-ci opened on Dec 3, 2020

[SR-12156] Make <code>@differentiable</code> attribute on class methods more fine-grained

attributesFeature: Declaration and type attributesFeature: Declaration and type attributes

AutoDiff

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

compilerThe Swift compiler itselfThe Swift compiler itself

featureA feature request or implementationA feature request or implementation

methodsFeature → functions: methods (member functions)Feature → functions: methods (member functions)

Status: Open.

#54336 In swiftlang/swift;

· dan-zheng opened on Dec 6, 2019

[SR-12155] Allow <code>@derivative</code> attribute to specify original function from superclass

attributesFeature: Declaration and type attributesFeature: Declaration and type attributes

AutoDiff

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

compilerThe Swift compiler itselfThe Swift compiler itself

featureA feature request or implementationA feature request or implementation

methodsFeature → functions: methods (member functions)Feature → functions: methods (member functions)

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

Status: Open.

#53512 In swiftlang/swift;

· dan-zheng opened on Jul 12, 2019

[SR-764] swiftc calls default initializers "synthesized initializers"

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

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

good first issueGood for newcomersGood for newcomers

propertiesFeature: propertiesFeature: properties

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

Status: Open.

#43376 In swiftlang/swift;

· swift-ci opened on Feb 18, 2016