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Unable to use std::chrono clocks via Cxx 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
swift 5.10
unexpected error
Bug: Unexpected error
#72737
opened Mar 31, 2024 by
karwa
Incorrect 'class inherits from itself'
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
declarations
Feature: declarations
inheritance clauses
Feature → type declarations: Type inheritance clauses
swift 6.0
type checker
Area → compiler: Semantic analysis
type declarations
Feature → declarations: Type declarations
unexpected error
Bug: Unexpected error
#72715
opened Mar 29, 2024 by
karwa
Compiler crash with circular reference, redundant conformance requirements
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
crash
Bug: A crash, i.e., an abnormal termination of software
declarations
Feature: declarations
generics
Feature: generic declarations and types
inheritance clauses
Feature → type declarations: Type inheritance clauses
protocol
Feature → type declarations: Protocol declarations
swift 6.0
type checker
Area → compiler: Semantic analysis
typealias
Feature → type declarations: `typealias` declarations
#72695
opened Mar 29, 2024 by
karwa
ClangImporter/SceneKit_test.swift
fails on clean checkout
bug
#72658
opened Mar 28, 2024 by
karwa
Possible suboptimal code generation for SIMD A deviation from expected or documented behavior. Also: expected but undesirable behavior.
SILOptimizer
Area → compiler: SIL optimization passes
simd
any
function
bug
#72413
opened Mar 19, 2024 by
karwa
Compiler does not propagate integer bounds information; misses bounds-check removal opportunities
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
triage needed
This issue needs more specific labels
#71919
opened Feb 27, 2024 by
karwa
Optimisation difference between A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
run-time performance
SILOptimizer
Area → compiler: SIL optimization passes
swift 5.9
unexpected behavior
Bug: Unexpected behavior or incorrect output
!x
and x == false
bug
#70655
opened Dec 31, 2023 by
karwa
Clarify UnsafeMutablePointer.pointee docs for assignment
documentation
inaccurate info
Bug → documentation: Inaccurate info
#68030
opened Aug 20, 2023 by
karwa
Optimiser fails to devirtualise cast to existential followed by immediate unboxing
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
SILOptimizer
Area → compiler: SIL optimization passes
#62264
opened Nov 27, 2022 by
karwa
Optimizer produces more traps than needed when converting integers; codegen regression 5.1/5.2
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
performance
regression
SILOptimizer
Area → compiler: SIL optimization passes
#62262
opened Nov 27, 2022 by
karwa
[SymbolGraphGen] Use shorter names for nested types
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#70592
opened Nov 20, 2022 by
karwa
1 of 2 tasks
[SymbolGraphGen] Automatically use new generics notation
ASTPrinter
Area → compiler: The AST printer
feature
A feature request or implementation
generic constraints
Feature → generics: generic constraints
SymbolGraphGen
The swiftSymbolGraphGen library, responsible for gathering and emitting symbol graphs.
#70588
opened Nov 20, 2022 by
karwa
null-pointer dereference in TSan
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#61244
opened Sep 22, 2022 by
karwa
Disallow implicit existential opening when calling function with an opaque result type
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
#59840
opened Jul 1, 2022 by
karwa
[SR-15712] UBP<UInt8>/URBP.elementsEqual is slow
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
performance
standard library
Area: Standard library umbrella
#57990
opened Jan 10, 2022 by
karwa
[SR-15624] withContiguousStorageIfAvailable is not inlined early
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#57920
opened Dec 20, 2021 by
karwa
[SR-15536] Compiler crash while trying to build SwiftPM
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#57839
opened Nov 30, 2021 by
karwa
[SR-15215] Excessive outlined init with takes when using optionals
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#57537
opened Sep 19, 2021 by
karwa
[SR-15209] Overflow traps not eliminated for simple calculations
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
#57531
opened Sep 17, 2021 by
karwa
[SR-15173] FlattenSequence.count has awful, awful performance
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
standard library
Area: Standard library umbrella
#57496
opened Sep 8, 2021 by
karwa
[SR-14654] Array and ArraySlice use different implementations of replaceSubrange
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
standard library
Area: Standard library umbrella
#57006
opened May 24, 2021 by
karwa
[SR-14258] Pattern-matching fails when enum case is type-qualified
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
compiler
The Swift compiler in itself
enum
Feature → type declarations: Swift enumeration declarations
pattern matching
Feature: pattern matching
swift 5.3
swift 5.9
type checker
Area → compiler: Semantic analysis
unexpected error
Bug: Unexpected error
#56618
opened Feb 19, 2021 by
karwa
[SR-14232] Documentation comments from witnessed protocol requirement favoured over own documentation
bug
A deviation from expected or documented behavior. Also: expected but undesirable behavior.
code completion
Area → source tooling: code completion
source tooling
Area: IDE support, SourceKit, and other source tooling
#56599
opened Feb 16, 2021 by
karwa
[SR-14220] Hide protocol requirements witnessed by "more generic" methods from autocomplete
code completion
Area → source tooling: code completion
conformances
Feature → protocol: protocol conformances
improvement
source tooling
Area: IDE support, SourceKit, and other source tooling
#56596
opened Feb 15, 2021 by
karwa
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