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Compiler crashes when building project in release configuration
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
optimized only
Flag: An issue whose reproduction requires optimized compilation
serialization
Area → compiler: Serialization & deserialization
#61350
opened Sep 29, 2022 by
anlaital
Add warning for double initializations
compiler
The Swift compiler in itself
definite initialization
diagnostics QoI
Bug: Diagnostics Quality of Implementation
feature
A feature request or implementation
SIL
#59307
opened Jun 8, 2022 by
keith
Recent versions of glibc marks some function parameters as A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
__nonnull
, changing type signatures
bug
#70647
opened Dec 29, 2023 by
QuietMisdreavus
Error bridged to NSError's A deviation from expected or documented behavior. Also: expected but undesirable behavior.
localizedDescription
doesn't use the CustomStringConvertible
bug
#58724
opened May 6, 2022 by
weissi
[SR-15358] Swift emits unused symbols into executables
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#57680
opened Oct 20, 2021 by
fabianfett
missed optimization opportunity for elimination of retain/release and tail recursion
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#58549
opened Apr 29, 2022 by
RonAvitzur
[AutoDiff] Differentiability analysis is too strict on differentiable function with one non-differentiable argument
AutoDiff
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#68774
opened Sep 26, 2023 by
BradLarson
@objcMembers does not apply Feature: Declaration and type attributes
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
objective-c interop
Feature: Interoperability with Objective-C
swift 5.7
@objc
to ObjC compatible enums or inner classes
attributes
#63442
opened Feb 5, 2023 by
mildm8nnered
The suggested fix for the existential types with implicit unwrapping is incorrect when enable upcoming featureA deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
fix-its
Feature: diagnostic fix-its
implicitly unwrapped optionals
Feature → types: Implicitly unwrapped optional types, aka IUO
swift 6.0
type checker
Area → compiler: Semantic analysis
types
Feature: types
unexpected behavior
Bug: Unexpected behavior or incorrect output
ExistentialAny
bug
#65026
opened Apr 8, 2023 by
treastrain
"cannot pass value pack expansion to non-pack parameter" error with a variadic parameter
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
call expressions
Feature → expressions: Call expressions
compiler
The Swift compiler in itself
expressions
Feature: expressions
function parameters
Feature → declarations: function parameters
generics
Feature: generic declarations and types
swift 5.9
type checker
Area → compiler: Semantic analysis
unexpected error
Bug: Unexpected error
variadic generics
Feature → generics: Variadic generics
variadic parameters
Feature → declarations → function parameters: Variadic function parameters
#68755
opened Sep 25, 2023 by
simanerush
#Preview crash with custom A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
ModelContainer
and .modelContainer
modifier
bug
#66537
opened Jun 10, 2023 by
wmorgue
Swift 5.9 TupleView Cannot be Reconstructed
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#69067
opened Oct 9, 2023 by
thekief
Cannot use C++ class in swift if it contains std::unique_ptr<T>
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#58639
opened May 3, 2022 by
mikepinkerton
Having code that casts a generic any RangeExpression<T> will cause app to instantly crash at startup, on iOS 15 devices.
accepts invalid
Bug: Accepts invalid
availability
The @available attribute and availability checking in general
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
constrained existentials
Feature → existentials: constrained existentials such as 'any Collection<Int>'
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
expressions
Feature: expressions
swift 5.9
type checker
Area → compiler: Semantic analysis
#64657
opened Mar 27, 2023 by
nifly
Documentation Symbol Graph Generation failing on macOS
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
SymbolGraphGen
The swiftSymbolGraphGen library, responsible for gathering and emitting symbol graphs.
#69094
opened Oct 10, 2023 by
0xTim
CommandLine.arguments and CommandLine.argc should be deprecated and replaced with immutable equivalents.
api design
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
input & output
Area → standard library: Input & output
standard library
Area: Standard library umbrella
swift 5.9
#66213
opened May 30, 2023 by
Lukasa
[SR-16091] Crash when using a key path to a protocol extension property from another library
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#58350
opened Apr 2, 2022 by
CraigSiemens
[SR-14467] Protocol inheritance with optional covariance does not produce compiler error
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
type checker
Area → compiler: Semantic analysis
#56823
opened Apr 9, 2021 by
Mordil
Regression: Xcode 15 cannot build correctly for macOS versions older than 10.15
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#68163
opened Aug 28, 2023 by
CharlesJS
Swift compiler doesn't produce visible objc interface with the @attached(peer) macro
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#68170
opened Aug 28, 2023 by
ikhvorost
✨ Swift should provide support for internal imports and resilience for all platforms (that can be enabled in SwiftPM) to allow Swift modules to depend on C++ modules without requiring that the clients enable C++ interoperability
access control
Feature → modifiers: Access control and access levels
c++ interop
Feature: Interoperability with C++
compiler
The Swift compiler in itself
declarations
Feature: declarations
feature
A feature request or implementation
import
Feature → declarations: `import` declarations
library evolution
Feature: library evolution (umbrella feature for features that facilitate resilient libraries)
platform support
#66156
opened May 25, 2023 by
hyp
Add all of the Unicode properties
new feature
standard library
Area: Standard library umbrella
#58697
opened May 5, 2022 by
Azoy
Circular reference if attached macro references attached type
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#68158
opened Aug 26, 2023 by
bok-
Conform C++ types that have a Feature: Interoperability with C++
compiler
The Swift compiler in itself
feature
A feature request or implementation
std::hash
overload to Swift.Hashable
c++ interop
#62045
opened Nov 11, 2022 by
egorzhdan
[interop] error when importing A deviation from expected or documented behavior. Also: expected but undesirable behavior.
c++ interop
Feature: Interoperability with C++
compiler
The Swift compiler in itself
swift_attr(retain/release)
without swift_attr(import_reference)
bug
#62167
opened Nov 17, 2022 by
hyp
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