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In main.swift, variables can be used before they are declared, leading to undefined behavior
accepts invalid
Bug: Accepts invalid
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
definite initialization
duplicate
Resolution: Duplicates another issue
memory safety
Feature: memory safety
script mode
Flag: Specific to script mode compilation
SIL
swift 6.0
#72894
by natinusala
was closed Apr 13, 2024
updated Apr 13, 2024
Failed to reconstruct type for $sSq11OpenCombineE8OCombineV9PublisherVy7ElementSTQz__GD
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
#72905
by hjyamauchi
was closed Apr 12, 2024
updated Apr 12, 2024
Variadic generics crash with Embedded Swift in SILCloner
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
crash
Bug: A crash, i.e., an abnormal termination of software
embedded
Embedded Swift
SIL
#72117
by MaxDesiatov
was closed Apr 12, 2024
updated Apr 12, 2024
[SR-11901] extensions on directly depended on types are polluted from transitive dependencies
improvement
#54318
by keith
was closed Apr 11, 2024
updated Apr 11, 2024
[SR-238] Support throwing subscripts
compiler
The Swift compiler in itself
declarations
Feature: declarations
error handling
feature
A feature request or implementation
improvement
subscript
Feature: Subscript declarations
swift evolution implemented
Flag → feature: A feature that was approved through the Swift evolution process and implemented
throws & rethrows
Feature → error handling: throws & rethrows
#42860
by swift-ci
was closed Jun 2, 2022
updated Apr 10, 2024
@Observable
Macro does not support properties with the package
access modifier
access control
#71060
by treastrain
was closed Apr 9, 2024
updated Apr 9, 2024
Swift CI: error: no matching function for call to 'atomic_compare_exchange_strong_explicit'
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
#72904
by meg-gupta
was closed Apr 9, 2024
updated Apr 9, 2024
Undefined reference when subclassing class with internal/private methods
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#72890
by finnvoor
was closed Apr 9, 2024
updated Apr 9, 2024
Missing diagnostic when capturing self in deinit Task
#72892
by rnapier
was closed Apr 6, 2024
updated Apr 6, 2024
Compilation fails with a SIL crash on nightlies
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
#72484
by MahdiBM
was closed Apr 6, 2024
updated Apr 6, 2024
withUnsafeContinuation
doesn't inherit Actor executor during single await call
bug
#69659
by kntkymt
was closed Apr 5, 2024
updated Apr 5, 2024
Crash with @MainActor default value in @MainActor initializer in @MainActor lazy var
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
concurrency
Feature: umbrella label for concurrency language features
crash
Bug: A crash, i.e., an abnormal termination of software
triage needed
This issue needs more specific labels
#72793
by KeithBauerANZ
was closed Apr 5, 2024
updated Apr 5, 2024
LargeTypesReg2Mem: new compiler assertion when passing a C type to a Swift closure that's converted to a C function pointer
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
#71757
by hyp
was closed Apr 4, 2024
updated Apr 4, 2024
Methods on parameter packed generic types specialized with zero types cannot be used without crashing the compiler
assertion failure
Bug → crash: An assertion failure
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
crash
Bug: A crash, i.e., an abnormal termination of software
declarations
Feature: declarations
generics
Feature: generic declarations and types
SILGen
Area → compiler: The SIL generation stage
swift 6.0
type declarations
Feature → declarations: Type declarations
variadic generics
Feature → generics: Variadic generics
#69313
by twof
was closed Jan 18, 2024
updated Apr 4, 2024
Compiler crashes when a protocol refines another protocol that has an associated type by specifying that type with a same type requirement
assertion failure
Bug → crash: An assertion failure
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
conformances
Feature → protocol: protocol conformances
crash
Bug: A crash, i.e., an abnormal termination of software
declarations
Feature: declarations
generic constraints
Feature → generics: generic constraints
generics
Feature: generic declarations and types
protocol
Feature → type declarations: Protocol declarations
swift 5.10
type checker
Area → compiler: Semantic analysis
#59384
by rdingman
was closed Apr 4, 2024
updated Apr 4, 2024
Enum case "language" as protocol witness causes invalid redeclaration
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#72816
by paulober
was closed Apr 3, 2024
updated Apr 3, 2024
hidden-external function cannot have a body: F->isExternalDeclaration()
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
embedded
Embedded Swift
triage needed
This issue needs more specific labels
#72531
by finnvoor
was closed Apr 2, 2024
updated Apr 2, 2024
Overload bug on Linux(Ubuntu)
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#72038
by zunda-pixel
was closed Apr 2, 2024
updated Apr 2, 2024
Deserialization failure (XRefError) compiler crashes where certain std::vector related instantiated types are not found with C++ interop
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
c++ interop
Feature: Interoperability with C++
c++ to swift
Feature → c++ interop: c++ to swift
compiler
The Swift compiler in itself
crash
Bug: A crash, i.e., an abnormal termination of software
serialization
Area → compiler: Serialization & deserialization
swift 6.0
types
Feature: types
#70253
by hjyamauchi
was closed Apr 1, 2024
updated Apr 2, 2024
[SR-15188] Calling-convention mismatch violations between runtime, stdlib, and emitted code
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
platform support
runtime
The Swift Runtime
standard library
Area: Standard library umbrella
WebAssembly
Platform: WebAssembly
#57511
by kateinoigakukun
was closed Mar 31, 2024
updated Apr 1, 2024
Fix-Its should be phrased as imperative actions rather than questions
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
conformances
Feature → protocol: protocol conformances
diagnostics QoI
Bug: Diagnostics Quality of Implementation
fix-its
Feature: diagnostic fix-its
good first issue
Good for newcomers
swift 5.9
type checker
Area → compiler: Semantic analysis
#67510
by tristanlabelle
was closed Apr 1, 2024
updated Apr 1, 2024
Unsafe 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
optimized only
Flag: An issue whose reproduction requires optimized compilation
SILOptimizer
Area → compiler: SIL optimization passes
swift 5.9
unexpected behavior
Bug: Unexpected behavior or incorrect output
withTaskGroup
optimization
async & await
#70813
by za-creature
was closed Mar 29, 2024
updated Mar 30, 2024
TEST 'Swift(linux-x86_64) :: Concurrency/dispatch_inference.swift' FAILED
compiler
The Swift compiler in itself
concurrency
Feature: umbrella label for concurrency language features
Foundation
Linux
Platform: Linux
Sendable
Area → standard library: The Sendable protocol
swift 6.0
test failure
#70759
by shahmishal
was closed Mar 29, 2024
updated Mar 29, 2024
Crash in swift_getAssociatedTypeWitness during calling protocol function
associatedtype
Feature → declarations → protocol: `associatedtype` declarations
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
conformances
Feature → protocol: protocol conformances
crash
Bug: A crash, i.e., an abnormal termination of software
declarations
Feature: declarations
multiple modules
Flag: An issue whose reproduction requires multiple modules
protocol
Feature → type declarations: Protocol declarations
runtime
The Swift Runtime
standard library
Area: Standard library umbrella
swift 5.9
Unmanaged
Area → standard library: The `Unmanaged` type
#65859
by mr-swifter
was closed Mar 27, 2024
updated Mar 27, 2024
Assertion failed: (type->isLegalFormalType())
when declaring a tuple from a parameter pack expansion
assertion failure
#71455
by simanerush
was closed Mar 27, 2024
updated Mar 27, 2024
ProTip!
Updated in the last three days: updated:>2024-05-28.