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Compiler error when extending a typealias of a partially specialized generic type
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
declarations
Feature: declarations
extension
Feature → declarations: `extension` declarations
generics
Feature: generic declarations and types
good first issue
Good for newcomers
swift 5.9
type checker
Area → compiler: Semantic analysis
typealias
Feature → type declarations: `typealias` declarations
TypeResolver
unexpected error
Bug: Unexpected error
#68212
opened Aug 30, 2023 by
tapsns
[.]Type
completion for (any P).
shows it will produce an existential metatype
bug
#65843
opened May 10, 2023 by
AnthonyLatsis
"Stored value type does not match pointer operand type!" compiler crash
assertion failure
Bug → crash: An assertion failure
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
CodeGen
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
generics
Feature: generic declarations and types
name shadowing
Feature: name shadowing
patterns
Feature: patterns
swift 5.5
#59572
opened Jun 19, 2022 by
LeoNatan
Diagnostic for use of plain protocol name in type position should suggest 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
existentials
Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values
fix-its
Feature: diagnostic fix-its
generics
Feature: generic declarations and types
good first issue
Good for newcomers
opaque types
Feature → types: opaque types
swift 5.9
type checker
Area → compiler: Semantic analysis
types
Feature: types
some
or any
bug
#68284
opened Sep 1, 2023 by
hborla
lld 13+ stopped working with the linker flag A deviation from expected or documented behavior. Also: expected but undesirable behavior.
--gc-sections
and Swift on ELF platforms
bug
#60406
opened Aug 5, 2022 by
finagolfin
[SR-15111] “Type of expression is ambiguous” error when initializing a class
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
expressions
Feature: expressions
good first issue
Good for newcomers
optional chaining
Feature → expressions: optional chaining
swift 5.9
type checker
Area → compiler: Semantic analysis
type inference
Feature: type inference
#57437
opened Aug 25, 2021 by
swift-ci
Bad diagnostic when inheriting from class in extension
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
extension
Feature → declarations: `extension` declarations
good first issue
Good for newcomers
inheritance
Feature → type declarations → class: Subclassing and inheritance of class members
swift 5.9
#64903
opened Apr 4, 2023 by
AnthonyLatsis
Init Accessors not found by linker when used in another file
accepts invalid
Bug: Accepts invalid
accessors
Feature → declarations: Variable (property) accessors
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
init accessors
Feature: Initialization property accessors
linker error
multiple files
Flag: An issue whose reproduction requires multiple files
swift 5.9
type checker
Area → compiler: Semantic analysis
#71578
opened Feb 13, 2024 by
RemiBardon
[SR-9144] Low-level atomics in Swift
feature
A feature request or implementation
standard library
Area: Standard library umbrella
swift evolution pending discussion
Flag → feature: A feature that has a Swift evolution proposal currently in review
#51640
opened Oct 30, 2018 by
swift-ci
Add Area → compiler: The ASTGen module, which translates SwiftSyntax trees to the C++ AST
compiler
The Swift compiler in itself
good first issue
Good for newcomers
task
SWIFT_NAME
attributes for all functions in CASTBridging.h
ASTGen
#68353
opened Sep 6, 2023 by
ahoppen
Swift doesn’t recognize Clang’s header on Windows
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#60534
opened Aug 12, 2022 by
stevapple
[SR-6753] CodingUserInfoKey's init?(rawValue:) shouldn't be failable
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
Codable
Area → standard library: `Codable` and co.
standard library
Area: Standard library umbrella
#49302
opened Jan 13, 2018 by
hamishknight
Investigate possible optimization opportunities for autodiff code with control flow
AutoDiff
compiler
The Swift compiler in itself
feature
A feature request or implementation
performance
run-time performance
SILOptimizer
Area → compiler: SIL optimization passes
#68901
opened Oct 2, 2023 by
asl
Bad diagnostic for initialization of property wrapper with custom 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
property wrappers
Feature: property wrappers
swift 6.0
type checker
Area → compiler: Semantic analysis
init
bug
#69066
opened Oct 9, 2023 by
AnthonyLatsis
[SR-11422] Generated .swiftinterface got an error when imported
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
textual interfaces
unexpected error
Bug: Unexpected error
#53823
opened Sep 5, 2019 by
swift-ci
Implement A feature request or implementation
standard library
Area: Standard library umbrella
_customIndexOfEquatableElement
for UnsafeRawBufferPointer
feature
#63200
opened Jan 24, 2023 by
glessard
Swift compiler 5.9 (built on release/5.9 branch) crash because of "out of memory" during writing diagnostics
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#67857
opened Aug 10, 2023 by
dreampiggy
Type inference fails chaining call on the return value of @resultBuilder
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
multi-statement closures
Feature → closures: multi-statement closures
type checker
Area → compiler: Semantic analysis
#67363
opened Jul 18, 2023 by
KingOfBrian
We should have a tool that finds unused diagnostic IDs
compiler
The Swift compiler in itself
development tools
Area: tools for compiler developers under the 'tools' directory
feature
A feature request or implementation
good first issue
Good for newcomers
QoI
Quality of Implementation
utils
Area: the build system and other accessory scripts under the "utils" directory
#67306
opened Jul 14, 2023 by
beccadax
[Platform request] Is there any plan to open-source the xsOS(Apple VisionOS) PlatformKind support in Swift compiler
feature
A feature request or implementation
platform support
triage needed
This issue needs more specific labels
#68034
opened Aug 21, 2023 by
dreampiggy
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
Bad diagnostic for generic parameter list on enum case
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
declarations
Feature: declarations
diagnostics QoI
Bug: Diagnostics Quality of Implementation
enum cases
Feature → enums: Enum cases
generics
Feature: generic declarations and types
parser
Area → compiler: The legacy C++ parser
swift 6.0
#69036
opened Oct 7, 2023 by
mininny
Change "has been removed" to "was removed".
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
good first issue
Good for newcomers
improvement
parser
Area → compiler: The legacy C++ parser
#73246
opened Apr 25, 2024 by
JessyCatterwaul
Cursor Info of argument label should resolves to parameter declaration instead of function
cursor info
Area → source tooling: cursor info
SourceKit
Area → source tooling: SourceKit
#67708
opened Aug 3, 2023 by
jansorg
Compiler suggests a wrong insertion point for 'await' in Feature → concurrency: asynchronous function aka the async/await pattern
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
concurrency
Feature: umbrella label for concurrency language features
diagnostics QoI
Bug: Diagnostics Quality of Implementation
fix-its
Feature: diagnostic fix-its
good first issue
Good for newcomers
optional binding
Feature → patterns: optional binding
patterns
Feature: patterns
swift 5.9
type checker
Area → compiler: Semantic analysis
unexpected behavior
Bug: Unexpected behavior or incorrect output
if let ...
.
async & await
#65913
opened May 15, 2023 by
YOCKOW
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