Commits

practicalswift committed 10ffde9f5f2
[swiftc] Add test case for crash triggered in swift::TypeBase::getMemberSubstitutions(swift::DeclContext*) Stack trace: ``` swift: /path/to/swift/lib/AST/Type.cpp:2465: TypeSubstitutionMap swift::TypeBase::getMemberSubstitutions(swift::DeclContext *): Assertion `baseTy && "Couldn't find appropriate context"' failed. 8 swift 0x000000000103021a swift::TypeBase::getMemberSubstitutions(swift::DeclContext*) + 458 9 swift 0x000000000103051a swift::TypeBase::getTypeOfMember(swift::ModuleDecl*, swift::Type, swift::DeclContext*) + 58 10 swift 0x0000000000e85547 swift::TypeChecker::resolveTypeInContext(swift::TypeDecl*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, bool, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 1591 14 swift 0x0000000000e85f5e 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 0x0000000000e86ec4 swift::TypeChecker::resolveType(swift::TypeRepr*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 164 17 swift 0x0000000000e85e6a swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 42 18 swift 0x0000000000e33a6a swift::TypeChecker::checkInheritanceClause(swift::Decl*, swift::GenericTypeResolver*) + 4890 19 swift 0x0000000000e35fc5 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 1829 20 swift 0x0000000001015e7c swift::DeclContext::lookupQualified(swift::Type, swift::DeclName, unsigned int, swift::LazyResolver*, llvm::SmallVectorImpl<swift::ValueDecl*>&) const + 2908 21 swift 0x0000000000e5d2aa swift::TypeChecker::lookupMemberType(swift::DeclContext*, swift::Type, swift::Identifier, swift::OptionSet<swift::NameLookupFlags, unsigned int>) + 282 23 swift 0x0000000000e85f5e swift::TypeChecker::resolveIdentifierType(swift::DeclContext*, swift::IdentTypeRepr*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, bool, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 158 25 swift 0x0000000000e86ec4 swift::TypeChecker::resolveType(swift::TypeRepr*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 164 26 swift 0x0000000000e85e6a swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 42 27 swift 0x0000000000e33a6a swift::TypeChecker::checkInheritanceClause(swift::Decl*, swift::GenericTypeResolver*) + 4890 28 swift 0x0000000000e58885 swift::TypeChecker::checkGenericParamList(swift::ArchetypeBuilder*, swift::GenericParamList*, swift::DeclContext*, bool, swift::GenericTypeResolver*) + 373 29 swift 0x0000000000e5a0cf swift::TypeChecker::validateGenericSignature(swift::GenericParamList*, swift::DeclContext*, swift::GenericSignature*, std::function<bool (swift::ArchetypeBuilder&)>, bool&) + 143 30 swift 0x0000000000e5a484 swift::TypeChecker::validateGenericTypeSignature(swift::NominalTypeDecl*) + 116 31 swift 0x0000000000e35a02 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 354 34 swift 0x0000000000e3b126 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150 37 swift 0x0000000000e8165a swift::TypeChecker::typeCheckClosureBody(swift::ClosureExpr*) + 218 38 swift 0x0000000000eaafcc swift::constraints::ConstraintSystem::applySolution(swift::constraints::Solution&, swift::Expr*, swift::Type, bool, bool, bool) + 812 39 swift 0x0000000000e2024b swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::Type, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*) + 683 41 swift 0x0000000000e817a6 swift::TypeChecker::typeCheckTopLevelCodeDecl(swift::TopLevelCodeDecl*) + 134 42 swift 0x0000000000e0760d swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int) + 1581 43 swift 0x0000000000cb1f5f swift::CompilerInstance::performSema() + 2975 45 swift 0x0000000000775447 frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 2487 46 swift 0x0000000000770025 main + 2773 Stack dump: 0. Program arguments: /path/to/build/Ninja-ReleaseAssert/swift-linux-x86_64/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28221-swift-typebase-getmembersubstitutions.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28221-swift-typebase-getmembersubstitutions-17ebef.o 1. While type-checking expression at [validation-test/compiler_crashers/28221-swift-typebase-getmembersubstitutions.swift:8:1 - line:8:35] RangeText="{struct d<h:d.d{struct d struct d:d" 2. While type-checking 'd' at validation-test/compiler_crashers/28221-swift-typebase-getmembersubstitutions.swift:8:2 3. While resolving type d.d at [validation-test/compiler_crashers/28221-swift-typebase-getmembersubstitutions.swift:8:13 - line:8:15] RangeText="d.d" 4. While resolving type d at [validation-test/compiler_crashers/28221-swift-typebase-getmembersubstitutions.swift:8:35 - line:8:35] RangeText="d" <unknown>:0: error: unable to execute command: Aborted <unknown>:0: error: compile command failed due to signal (use -v to see invocation) ```