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Compiler crash with cast involving any existentials
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
casting
Feature: explicit casting (is, as, as? and as!)
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
expressions
Feature: expressions
parameterized protocols
Feature → protocol: protocols with primary associated types
protocol compositions
Feature → types: protocol composition types
swift 6.0
type checker
Area → compiler: Semantic analysis
types
Feature: types
#71000
opened Jan 19, 2024 by
GeorgeElsham
Swift compiler doesn't support turning off whole module optimization on certain projects
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
Frontend
Area → compiler: Frontend
swift 5.9
whole module optimization
Feature: Whole module optimization
#70995
opened Jan 18, 2024 by
dabrahams
Crash with existential any in function context
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
function types
Feature → types: function types
parameterized protocols
Feature → protocol: protocols with primary associated types
protocol compositions
Feature → types: protocol composition types
SILGen
Area → compiler: The SIL generation stage
swift 6.0
types
Feature: types
#70988
opened Jan 18, 2024 by
GeorgeElsham
Convenience init inheritance bug
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#70960
opened Jan 17, 2024 by
DmT021
guard with
statement for shorter and clearer writing
compiler
#70958
opened Jan 17, 2024 by
benjamin-kramer
Reconsider the type of Feature → concurrency: `actor` declarations
compiler
The Swift compiler in itself
concurrency
Feature: umbrella label for concurrency language features
declarations
Feature: declarations
Self in class
Feature → types: The 'Self' type in classes
task
type checker
Area → compiler: Semantic analysis
self
of an actor to actually be Self
actor
#70954
opened Jan 17, 2024 by
ktoso
Do not suggest fix-its that modify the C++ stdlib headers
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
c++ interop
Feature: Interoperability with C++
compiler
The Swift compiler in itself
#70922
opened Jan 15, 2024 by
egorzhdan
Compiler crash on using internal import (AccessLevelOnImport feature)
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
crash
Bug: A crash, i.e., an abnormal termination of software
triage needed
This issue needs more specific labels
#70920
opened Jan 15, 2024 by
mr-swifter
NSError doesn't have the domain and code provided by conditional conformance of CustomNSError
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#70918
opened Jan 14, 2024 by
crazytonyli
Nested Macros do not seem to expand (Attached Peer Macros)
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#70886
opened Jan 12, 2024 by
JuliusHuizing
Requirement machine internal error on simple recursive same-type requirement
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
generic constraints
Feature → generics: generic constraints
generics
Feature: generic declarations and types
internal error
Bug: Internal error
swift 6.0
type checker
Area → compiler: Semantic analysis
#70875
opened Jan 12, 2024 by
AnthonyLatsis
Subtype relations of existential metatypes are not consistent in the language.
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
casting
Feature: explicit casting (is, as, as? and as!)
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
expressions
Feature: expressions
metatypes
Feature → types: Metatypes
runtime
The Swift Runtime
swift 6.0
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
#70874
opened Jan 12, 2024 by
CrystDragon
Support top-level code in A feature request or implementation
triage needed
This issue needs more specific labels
Main.swift
feature
#70857
opened Jan 11, 2024 by
dabrahams
Bad diagnostic overriding method returning opaque type
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
opaque result types
Feature → types → opaque types: opaque result types
opaque types
Feature → types: opaque types
override
Feature: Overriding in classes
swift 6.0
type checker
Area → compiler: Semantic analysis
#70853
opened Jan 11, 2024 by
NachoSoto
Support importing wide character literals from C headers
clang importer
Area → compiler: The clang importer
feature
A feature request or implementation
Windows
Platform: Windows
#70848
opened Jan 11, 2024 by
compnerd
[AutoDiff] Assertion failure: (!isInvalid()) in function getRequirement.
assertion failure
Bug → crash: An assertion failure
AutoDiff
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
closures
Feature: closures
compiler
The Swift compiler in itself
conformances
Feature → protocol: protocol conformances
crash
Bug: A crash, i.e., an abnormal termination of software
expressions
Feature: expressions
generics
Feature: generic declarations and types
IRGen
LLVM IR generation
multiple files
Flag: An issue whose reproduction requires multiple files
optimized only
Flag: An issue whose reproduction requires optimized compilation
swift 6.0
#70834
opened Jan 11, 2024 by
fibrechannelscsi
Remove needless backslashes from String.debugDescription
feature
A feature request or implementation
triage needed
This issue needs more specific labels
#70822
opened Jan 10, 2024 by
dabrahams
[AutoDiff] Fatal error of "do not know how to handle this incoming bb argument" when using a throwing function inside a differentiable function
AutoDiff
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#70819
opened Jan 10, 2024 by
BradLarson
Crash when building the stdlib on arm64 Windows
arm64
Architecture: arm64 (aarch64) — any 64-bit ARM
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
build error
Errors when building the toolchain, not regular Swift code
crash
Bug: A crash, i.e., an abnormal termination of software
Windows
Platform: Windows
#70812
opened Jan 10, 2024 by
egorzhdan
DeclarationMacro adding a declaration with a PropertyWrapper crashes IR Generation
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
crash
Bug: A crash, i.e., an abnormal termination of software
triage needed
This issue needs more specific labels
#70807
opened Jan 10, 2024 by
planetMDX
DeclarationMacro adding a declaration with a PeerMacro crashes SILGenCleanup
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
crash
Bug: A crash, i.e., an abnormal termination of software
triage needed
This issue needs more specific labels
#70805
opened Jan 10, 2024 by
planetMDX
Nested closures report wrong compiler (should be warning) with a @discardableResult function call
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#70802
opened Jan 10, 2024 by
grork
Crash "While evaluating request ASTLoweringRequest"
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
crash
Bug: A crash, i.e., an abnormal termination of software
triage needed
This issue needs more specific labels
#70782
opened Jan 9, 2024 by
brandonbloom
[Source compatibility suite] Compiler timing out when building Doggie in debug mode - error: the compiler is unable to type-check this expression in reasonable time
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
source compatibility suite
Flag: An issue that surfaced in the source compatibility suite
triage needed
This issue needs more specific labels
#70764
opened Jan 8, 2024 by
justice-adams-apple
ProTip!
Follow long discussions with comments:>50.