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Issues list

[SR-8248] Optimization mode causes weird bug bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself optimized only Flag: An issue whose reproduction requires optimized compilation
#50780 opened Jul 13, 2018 by swift-ci
15
[SR-7842] Inconsistent codegen for closed ranges vs bit-manipulation bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself good first issue Good for newcomers performance SILOptimizer Area → compiler: SIL optimization passes standard library Area: Standard library umbrella
#50378 opened Jun 1, 2018 by milseman mannequin
15
[SR-2420] AnyObject not working in Xcode8 beta6 bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
#45025 opened Aug 19, 2016 by swift-ci
15
Assigning an array element to another is sometimes abysmally slow Array Area → standard library: The `Array` type bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. performance run-time performance standard library Area: Standard library umbrella swift 5.8
#67655 opened Aug 1, 2023 by za-creature
14
Optional boolean doesn't satisfy switch exhaustivity with literal case statements compiler The Swift compiler in itself feature A feature request or implementation good first issue Good for newcomers improvement literals Feature → expressions: Literals such as an integer or string literal switch exhaustivity Feature: enforcement of exhaustivity in 'switch' statements switch Feature → statements: 'switch' statements type checker Area → compiler: Semantic analysis
#61817 opened Oct 31, 2022 by jpsim
14
[SR-14478] Optional<T>.none is accepted, but nil is not compiler The Swift compiler in itself diagnostics QoI Bug: Diagnostics Quality of Implementation improvement literals Feature → expressions: Literals such as an integer or string literal nil Feature → expressions → literals: The `nil` literal swift 5.9 type checker Area → compiler: Semantic analysis type inference Feature: type inference
#56834 opened Apr 12, 2021 by swift-ci
14
[SR-9589] Clang crash when calling external C library function with UnsafePointer to C struct as argument (was Can't pass an imported C extern const struct to a C function which expects a struct pointer) bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
#52036 opened Dec 31, 2018 by swift-ci
14
[SR-8738] Project doesn't compile with Incremental compilation, something about ObjC protocols access control Feature → modifiers: Access control and access levels 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 regression swift 4.2
#51247 opened Sep 13, 2018 by ScottRobbins
14
[SR-8213] Compiler may indicate "case will never be executed" even if it is unavoidable to execute the case in switch statement. 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 good first issue Good for newcomers pattern matching Feature: pattern matching patterns Feature: patterns SILGen Area → compiler: The SIL generation stage statements Feature: statements swift 5.9 switch cases Feature → statements → switch: 'switch' statement cases switch Feature → statements: 'switch' statements type checker Area → compiler: Semantic analysis
#50745 opened Jul 10, 2018 by YOCKOW
14
[SR-7897] Synthesized CodingKeys enum should conform to CaseIterable Codable Area → standard library: `Codable` and co. compiler The Swift compiler in itself improvement
#50432 opened Jun 6, 2018 by moiseev mannequin
14
[SR-5556] @escaping Diagnostics Should Always Offer a Fixit 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
#48128 opened Jul 26, 2017 by CodaFi
14
[SR-4856] Swift Array copy is very slow bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. performance standard library Area: Standard library umbrella
#47433 opened May 10, 2017 by swift-ci
14
[SR-1528] Swift compiler requires closures without parameter lists to reference all arguments bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
#44137 opened May 15, 2016 by swift-ci
14
[SR-1251] Can't import libbsd from modulemap bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. Linux Platform: Linux module maps
#43859 opened Apr 16, 2016 by drewcrawford
14
Specific macro that works on macOS is not working with latest Linux snapshot bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. Linux Platform: Linux swift macro Feature → declarations: Swift `macro` declarations swift 5.9
#68345 opened Sep 6, 2023 by MahdiBM
13
SILFunction type mismatch 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 function types Feature → types: function types multiple modules Flag: An issue whose reproduction requires multiple modules serialization Area → compiler: Serialization & deserialization SIL swift 5.8 types Feature: types
#65849 opened May 11, 2023 by Kyle-Ye
13
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
1
13
Miscompile on synthesized equatable when compiled with optimizations on arm64(iOS) arm64 Architecture: arm64 (aarch64) — any 64-bit ARM bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself conformances Feature → protocol: protocol conformances derived conformances Feature → protocol → conformances: derived conformances aka synthesized conformances Equatable Area → standard library: The `Equatable` protocol unexpected behavior Bug: Unexpected behavior or incorrect output
#61287 opened Sep 25, 2022 by Reflejo
13
lld 13+ stopped working with the linker flag --gc-sections and Swift on ELF platforms bug A deviation from expected or documented behavior. Also: expected but undesirable behavior.
#60406 opened Aug 5, 2022 by finagolfin
3
13
[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
1
13
[SR-14381] @objc & @objcMembers attributes break compilation on Windows bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself Windows Platform: Windows
#56739 opened Mar 21, 2021 by swift-ci
13
[SR-14095] Improve diagnostic on incorrect usage of ^ and ** operators compiler The Swift compiler in itself improvement
#56481 opened Jan 24, 2021 by typesanitizer
13
[SR-13038] unknownObjectRetain crash with -Osize Swift optimization bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself
#55484 opened Jun 17, 2020 by swift-ci
13
[SR-9284] Performance regression in toolchain 2018-11-15 bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler in itself performance regression swift 5.0
#51756 opened Nov 16, 2018 by nsalmoria
13
[SR-7478] type checker pretty confused 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
#50021 opened Apr 19, 2018 by weissi
13
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