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Issues list

Import reordering can break programs (using @preconcurrency) bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. triage needed This issue needs more specific labels
#79414 opened Feb 15, 2025 by weissi
Compiler crashes when using a KeyPath to a constrained associatedtype 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
#79398 opened Feb 14, 2025 by neo-marcus-ganz
Spurious access-control diagnostic for local type in if/switch expression nested in closure bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. compiler The Swift compiler itself type checker Area → compiler: Semantic analysis
#79395 opened Feb 14, 2025 by hamishknight
Parameter packs that conform to a protocol hierarchy are ambiguous when one protocol refines another bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. parameter packs Feature → generics: Parameter packs triage needed This issue needs more specific labels
#79392 opened Feb 14, 2025 by allevato
[6.1] "Found local archetype outside its defining scope" crash from _openExistential 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
#79377 opened Feb 13, 2025 by vanvoorden
[6.1] type does not conform to protocol 'AsyncIteratorProtocol' bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. triage needed This issue needs more specific labels
#79367 opened Feb 13, 2025 by vanvoorden
Any vs. any Sendable discrepancies are marked as errors for uses of inout properties bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. Concurrencу Area → standard library: The `Concurrency` module under the standard library umbrella concurrency Feature: umbrella label for concurrency language features expressions Feature: expressions @preconcurrency Feature → attributes: The @preconcurrency attribute Sendable Area → standard library: The Sendable protocol
#79361 opened Feb 13, 2025 by jmschonfeld
Build performance idea: Out-of-order import resolution/module loading with ClangImporter feature A feature request or implementation serialization Area → compiler: Serialization & deserialization
#79345 opened Feb 13, 2025 by hjyamauchi
Swift compiler often but-not-always crashes on async/await block using optional ObjC protocol method with callback async & await 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 itself crash Bug: A crash, i.e., an abnormal termination of software existentials Feature: values of types like `any Collection`, `Any` and `AnyObject`; type-erased values SILGen Area → compiler: The SIL generation stage
#79319 opened Feb 12, 2025 by palmin
Assertion failure swift::ProtocolConformanceRef::subst with 6.1 in release build 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
#79318 opened Feb 12, 2025 by vsarunas
False positives reported in Sema.NumSwift6Errors via -stats-output-dir bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. triage needed This issue needs more specific labels
#79291 opened Feb 11, 2025 by finestructure
【swift 6.1】Debug Swift with Xcode 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
#79286 opened Feb 11, 2025 by xiaoxu1234
5.10 compiler emits syntax error on code in #if(compiler>=6.0) block under specific conditions assertion failure Bug → crash: An assertion failure bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. † libswiftSyntax Archive • Area → compiler: the once-integrated C++ Syntax library succeeded by SwiftSyntax parser Area → compiler: The legacy C++ parser
#79285 opened Feb 10, 2025 by gwynne
Opaque types and variadic/pack iteration crashes the compiler bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. crash Bug: A crash, i.e., an abnormal termination of software parameter packs Feature → generics: Parameter packs
#79281 opened Feb 10, 2025 by dehesa
Use loader notifications for module registration on Windows feature A feature request or implementation runtime The Swift Runtime Windows Platform: Windows
#79268 opened Feb 10, 2025 by compnerd
Compiler fails to catch data race bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. concurrency Feature: umbrella label for concurrency language features
#79262 opened Feb 10, 2025 by rayx
Failed to produce diagnostic for expression bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. triage needed This issue needs more specific labels
#79259 opened Feb 10, 2025 by lisabethshaw
Assertion failed: (!Name || (Name.getArgumentNames().size() == BodyParams->size())), function setParameters, file Decl.cpp, line 10212. bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. test failure test suite Area: test suite
#79255 opened Feb 10, 2025 by shahmishal
Build Crash When Passing In Index Buffer to meshopt_buildMeshlets() 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
#79252 opened Feb 9, 2025 by syeh1
swift-frontend assert condition 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
#79251 opened Feb 9, 2025 by NewDwarf
Add support for sending to withoutActuallyEscaping feature A feature request or implementation triage needed This issue needs more specific labels
#79250 opened Feb 9, 2025 by ph1ps
Global constant strings generated by nested macros cannot be written to binary files. bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. triage needed This issue needs more specific labels
#79235 opened Feb 8, 2025 by Asura19
Compile error when define a global constant with nested macro in package's executableTarget bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. triage needed This issue needs more specific labels
#79234 opened Feb 8, 2025 by Asura19
6.1 Windows CI swift-6.1-windows-toolchain broke bug A deviation from expected or documented behavior. Also: expected but undesirable behavior. triage needed This issue needs more specific labels
#79226 opened Feb 7, 2025 by hjyamauchi
ProTip! Exclude everything labeled bug with -label:bug.