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Subclass compiles without initializing properties
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#69965
opened Nov 17, 2023 by
PadraigK
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
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
@discardableResult
works with try
and try!
, but not try?
attributes
#71870
opened Feb 24, 2024 by
AnthonyLatsis
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
Value pack expansion in array literal
array literals
Feature → expressions → literals: Array literals
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
expressions
Feature: expressions
generics
Feature: generic declarations and types
literals
Feature → expressions: Literals such as an integer or string literal
pack expansions
Feature → expressions: Pack expansion expressions
SILGen
Area → compiler: The SIL generation stage
swift 5.9
type checker
Area → compiler: Semantic analysis
variadic generics
Feature → generics: Variadic generics
#67192
opened Jul 8, 2023 by
lhunath
[SR-11885] Allow operator functions to have extra arguments with default values
compiler
The Swift compiler in itself
declarations
Feature: declarations
feature
A feature request or implementation
func
Feature → declarations: Functions
good first issue
Good for newcomers
improvement
operators
Feature: operators
swift evolution proposal needed
Flag → feature: A feature that warrants a Swift evolution proposal
#54301
opened Dec 2, 2019 by
CodaFi
Update CONTRIBUTING.md to include PR process / forking information
contributor experience
feature
A feature request or implementation
#72674
opened Mar 28, 2024 by
adammcarter
[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
Index data is missing references when Swift uses an Objective-C property added through category adding a protocol conformance
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
indexing
Area → source tooling: AST indexing
objective-c interop
Feature: Interoperability with Objective-C
source tooling
Area: IDE support, SourceKit, and other source tooling
swift 5.8
unexpected behavior
Bug: Unexpected behavior or incorrect output
#67446
opened Jul 21, 2023 by
dylansturg
@propertyWrapper
-wrapped nonisolated
var‘s projectedValue
not accessible without await from non-@MainActor
bug
#59494
opened Jun 16, 2022 by
b8591340
2
Issue accessing nested types on sugared types
compiler
The Swift compiler in itself
feature
A feature request or implementation
nested types
Feature: nested types
parser
Area → compiler: The legacy C++ parser
sugared types
Feature: sugared types, e.g. 'Int?' or '[Int]'
#59923
opened Jul 6, 2022 by
aggie33
Adopt a new labeling scheme for "starter" issues
contributor experience
documentation
task
#61467
opened Oct 6, 2022 by
AnthonyLatsis
3 of 4 tasks
Large build time increases when using A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
performance
type checker
Area → compiler: Semantic analysis
.init
and Self
with overloaded functions
bug
#61079
opened Sep 13, 2022 by
wattson12
On QEMU, A deviation from expected or documented behavior. Also: expected but undesirable behavior.
crash
Bug: A crash, i.e., an abnormal termination of software
JIT
swift 5.6
swift
immediate mode crashes due to relative pointer relocation failure
bug
#60673
opened Aug 20, 2022 by
sonsongithub
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
nonisolated
applied to @propertyWrapper
-wrapped property does not propagate to projectedValue
in deinit
bug
#59380
opened Jun 11, 2022 by
b8591340
"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
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-775] pthread_t represented differently on Darwin and Linux: initializer issue
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#43387
opened Feb 19, 2016 by
glessard
[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
[SR-764] swiftc calls default initializers "synthesized initializers"
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
class
Feature → type declarations: Class declarations
compiler
The Swift compiler in itself
diagnostics QoI
Bug: Diagnostics Quality of Implementation
good first issue
Good for newcomers
properties
Feature: properties
type checker
Area → compiler: Semantic analysis
#43376
opened Feb 18, 2016 by
swift-ci
[SR-15940] Assert crash in TypeCheckStmt.cpp
assertion failure
Bug → crash: An assertion failure
attributes
Feature: Declaration and type attributes
@autoclosure
Feature → attributes: the @autoclosure type attribute
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
property wrappers
Feature: property wrappers
SILGen
Area → compiler: The SIL generation stage
swift 5.9
type checker
Area → compiler: Semantic analysis
#58201
opened Mar 4, 2022 by
swift-ci
[SR-12585] Teach update-checkout to Good for newcomers
improvement
update-checkout
Area → utils: the `update-checkout` script
utils
Area: the build system and other accessory scripts under the "utils" directory
fetch
Before checkout
good first issue
#55030
opened Apr 15, 2020 by
CodaFi
[SR-12733] The swizzled in method of a final class resolves static references to its type incorrectly since Xcode 11.4
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#55178
opened May 5, 2020 by
abdulowork
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