Commits
practicalswift committed 88305193423
[swiftc] Add 💥 case (😢 → 51, 😀 → 5091) triggered in swift::ArchetypeBuilder::getGenericSignature(…) Add crash case with stack trace: ``` swift: /path/to/swift/lib/AST/ArchetypeBuilder.cpp:2250: void collectRequirements(swift::ArchetypeBuilder &, ArrayRef<swift::GenericTypeParamType *>, SmallVectorImpl<swift::Requirement> &): Assertion `pa && "Missing potential archetype for generic parameter"' failed. 8 swift 0x0000000000feee54 swift::ArchetypeBuilder::getGenericSignature(llvm::ArrayRef<swift::GenericTypeParamType*>) + 1604 9 swift 0x0000000000eea3ce swift::TypeChecker::validateGenericSignature(swift::GenericParamList*, swift::DeclContext*, swift::GenericSignature*, std::function<bool (swift::ArchetypeBuilder&)>, bool&) + 318 10 swift 0x0000000000eeae7f swift::TypeChecker::validateGenericTypeSignature(swift::GenericTypeDecl*) + 111 11 swift 0x0000000000eac1e9 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 1833 12 swift 0x00000000011073d3 swift::UnqualifiedLookup::UnqualifiedLookup(swift::DeclName, swift::DeclContext*, swift::LazyResolver*, bool, swift::SourceLoc, bool, bool) + 2387 13 swift 0x0000000000eed0eb swift::TypeChecker::lookupUnqualified(swift::DeclContext*, swift::DeclName, swift::SourceLoc, swift::OptionSet<swift::NameLookupFlags, unsigned int>) + 187 16 swift 0x0000000000f1e40e swift::TypeChecker::resolveIdentifierType(swift::DeclContext*, swift::IdentTypeRepr*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, bool, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 158 18 swift 0x0000000000f1f364 swift::TypeChecker::resolveType(swift::TypeRepr*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 164 19 swift 0x0000000000f1e300 swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 192 20 swift 0x0000000000fe43af swift::IterativeTypeChecker::processResolveInheritedClauseEntry(std::pair<llvm::PointerUnion<swift::TypeDecl*, swift::ExtensionDecl*>, unsigned int>, llvm::function_ref<bool (swift::TypeCheckRequest)>) + 159 21 swift 0x0000000000fbc69d swift::IterativeTypeChecker::satisfy(swift::TypeCheckRequest) + 493 22 swift 0x0000000000ea91b9 swift::TypeChecker::resolveInheritanceClause(llvm::PointerUnion<swift::TypeDecl*, swift::ExtensionDecl*>) + 137 23 swift 0x0000000000eabf5f swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 1183 24 swift 0x0000000000eabb91 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 209 27 swift 0x0000000001101c7d swift::namelookup::lookupVisibleDeclsInModule(swift::ModuleDecl*, llvm::ArrayRef<std::pair<swift::Identifier, swift::SourceLoc> >, llvm::SmallVectorImpl<swift::ValueDecl*>&, swift::NLKind, swift::namelookup::ResolutionKind, swift::LazyResolver*, swift::DeclContext const*, llvm::ArrayRef<std::pair<llvm::ArrayRef<std::pair<swift::Identifier, swift::SourceLoc> >, swift::ModuleDecl*> >) + 1101 28 swift 0x00000000010e7fb2 swift::lookupVisibleDecls(swift::VisibleDeclConsumer&, swift::DeclContext const*, swift::LazyResolver*, bool, swift::SourceLoc) + 1730 29 swift 0x0000000000eee584 swift::TypeChecker::performTypoCorrection(swift::DeclContext*, swift::DeclRefKind, swift::DeclName, swift::SourceLoc, swift::OptionSet<swift::NameLookupFlags, unsigned int>, swift::LookupResult&, unsigned int) + 260 30 swift 0x0000000000e985d9 swift::TypeChecker::resolveDeclRefExpr(swift::UnresolvedDeclRefExpr*, swift::DeclContext*) + 3881 32 swift 0x00000000010651c3 swift::Expr::walk(swift::ASTWalker&) + 19 33 swift 0x0000000000e98e60 swift::TypeChecker::solveForExpression(swift::Expr*&, swift::DeclContext*, swift::Type, swift::FreeTypeVariableBinding, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem&, llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>) + 224 34 swift 0x0000000000e9f832 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*) + 610 35 swift 0x0000000000ea09e7 swift::TypeChecker::typeCheckBinding(swift::Pattern*&, swift::Expr*&, swift::DeclContext*) + 343 36 swift 0x0000000000ea0bfb swift::TypeChecker::typeCheckPatternBinding(swift::PatternBindingDecl*, unsigned int) + 267 41 swift 0x0000000000eb12b6 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150 42 swift 0x0000000000ed3462 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) + 1026 43 swift 0x0000000000c613b9 swift::CompilerInstance::performSema() + 3289 45 swift 0x00000000007d86c9 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2857 46 swift 0x00000000007a4708 main + 2872 Stack dump: 0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28332-swift-archetypebuilder-getgenericsignature.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28332-swift-archetypebuilder-getgenericsignature-9505f7.o 1. While type-checking 'A' at validation-test/compiler_crashers/28332-swift-archetypebuilder-getgenericsignature.swift:10:1 2. While type-checking expression at [validation-test/compiler_crashers/28332-swift-archetypebuilder-getgenericsignature.swift:10:15 - line:10:15] RangeText="a" 3. While resolving type Q at [validation-test/compiler_crashers/28332-swift-archetypebuilder-getgenericsignature.swift:23:1 - line:23:1] RangeText="Q" <unknown>:0: error: unable to execute command: Aborted <unknown>:0: error: compile command failed due to signal (use -v to see invocation) ```