Commits

practicalswift committed 3428de1cf7a
[swiftc] Add test case for crash triggered in swift::TypeChecker::applyUnboundGenericArguments(swift::UnboundGenericType*, swift::SourceLoc, swift::DeclContext*, llvm::MutableArrayRef<swift::TypeLoc>, bool, swift::GenericTypeResolver*) Stack trace: ``` swift: /path/to/swift/lib/Sema/TypeCheckGeneric.cpp:835: bool swift::TypeChecker::checkGenericArguments(swift::DeclContext *, swift::SourceLoc, swift::SourceLoc, swift::Type, swift::GenericSignature *, ArrayRef<swift::Type>): Assertion `count == genericArgs.size()' failed. 9 swift 0x0000000000e66a1d swift::TypeChecker::applyUnboundGenericArguments(swift::UnboundGenericType*, swift::SourceLoc, swift::DeclContext*, llvm::MutableArrayRef<swift::TypeLoc>, bool, swift::GenericTypeResolver*) + 589 10 swift 0x0000000000e66680 swift::TypeChecker::applyGenericArguments(swift::Type, swift::SourceLoc, swift::DeclContext*, swift::GenericIdentTypeRepr*, bool, swift::GenericTypeResolver*) + 448 14 swift 0x0000000000e66bde swift::TypeChecker::resolveIdentifierType(swift::DeclContext*, swift::IdentTypeRepr*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, bool, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 158 16 swift 0x0000000000e67b14 swift::TypeChecker::resolveType(swift::TypeRepr*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 164 17 swift 0x0000000000e66aea swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 42 22 swift 0x0000000000e17a01 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 5969 23 swift 0x00000000010048ec swift::DeclContext::lookupQualified(swift::Type, swift::DeclName, unsigned int, swift::LazyResolver*, llvm::SmallVectorImpl<swift::ValueDecl*>&) const + 2908 24 swift 0x00000000010032fd swift::UnqualifiedLookup::UnqualifiedLookup(swift::DeclName, swift::DeclContext*, swift::LazyResolver*, bool, swift::SourceLoc, bool, bool) + 2269 25 swift 0x0000000000e3d3bb swift::TypeChecker::lookupUnqualified(swift::DeclContext*, swift::DeclName, swift::SourceLoc, swift::OptionSet<swift::NameLookupFlags, unsigned int>) + 187 28 swift 0x0000000000e66bde swift::TypeChecker::resolveIdentifierType(swift::DeclContext*, swift::IdentTypeRepr*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, bool, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 158 30 swift 0x0000000000e67b14 swift::TypeChecker::resolveType(swift::TypeRepr*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 164 31 swift 0x0000000000e66aea swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 42 32 swift 0x0000000000ef50b2 swift::IterativeTypeChecker::processResolveInheritedClauseEntry(std::pair<llvm::PointerUnion<swift::TypeDecl*, swift::ExtensionDecl*>, unsigned int>, llvm::function_ref<bool (swift::TypeCheckRequest)>) + 146 33 swift 0x0000000000ef433d swift::IterativeTypeChecker::satisfy(swift::TypeCheckRequest) + 493 34 swift 0x0000000000e13119 swift::TypeChecker::resolveInheritanceClause(llvm::PointerUnion<swift::TypeDecl*, swift::ExtensionDecl*>) + 137 35 swift 0x0000000000e166c1 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 1041 39 swift 0x0000000000e66bde swift::TypeChecker::resolveIdentifierType(swift::DeclContext*, swift::IdentTypeRepr*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, bool, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 158 41 swift 0x0000000000e67b14 swift::TypeChecker::resolveType(swift::TypeRepr*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 164 42 swift 0x0000000000e66aea swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 42 45 swift 0x0000000000e1bb96 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150 48 swift 0x0000000000e623fa swift::TypeChecker::typeCheckClosureBody(swift::ClosureExpr*) + 218 49 swift 0x0000000000e8c2cc swift::constraints::ConstraintSystem::applySolution(swift::constraints::Solution&, swift::Expr*, swift::Type, bool, bool, bool) + 812 50 swift 0x0000000000e00fdb swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::Type, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*) + 683 53 swift 0x0000000000e6111a swift::TypeChecker::typeCheckFunctionBodyUntil(swift::FuncDecl*, swift::SourceLoc) + 362 54 swift 0x0000000000e60f6e swift::TypeChecker::typeCheckAbstractFunctionBodyUntil(swift::AbstractFunctionDecl*, swift::SourceLoc) + 46 55 swift 0x0000000000e61b38 swift::TypeChecker::typeCheckAbstractFunctionBody(swift::AbstractFunctionDecl*) + 136 57 swift 0x0000000000de8282 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int) + 1730 58 swift 0x0000000000c9f9b2 swift::CompilerInstance::performSema() + 2946 60 swift 0x0000000000764ccf frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 2463 61 swift 0x000000000075f8d5 main + 2741 Stack dump: 0. Program arguments: /path/to/build/Ninja-ReleaseAssert/swift-linux-x86_64/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28202-swift-typechecker-applygenericarguments.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28202-swift-typechecker-applygenericarguments-c0e012.o 1. While type-checking 'a' at validation-test/compiler_crashers/28202-swift-typechecker-applygenericarguments.swift:8:11 2. While type-checking expression at [validation-test/compiler_crashers/28202-swift-typechecker-applygenericarguments.swift:8:18 - line:8:27] RangeText="{func g:A}" 3. While type-checking 'g' at validation-test/compiler_crashers/28202-swift-typechecker-applygenericarguments.swift:8:19 4. While resolving type A at [validation-test/compiler_crashers/28202-swift-typechecker-applygenericarguments.swift:8:26 - line:8:26] RangeText="A" 5. While resolving type e at [validation-test/compiler_crashers/28202-swift-typechecker-applygenericarguments.swift:8:78 - line:8:78] RangeText="e" 6. While type-checking 'A' at validation-test/compiler_crashers/28202-swift-typechecker-applygenericarguments.swift:8:28 7. While resolving type c<T> at [validation-test/compiler_crashers/28202-swift-typechecker-applygenericarguments.swift:8:51 - line:8:54] RangeText="c<T>" <unknown>:0: error: unable to execute command: Aborted <unknown>:0: error: compile command failed due to signal (use -v to see invocation) ```