swift

e3ec26a0 - Add 💥 (😢 → 57, 😀 → 5099) in swift::TypeBase::getDesugaredType(…)

Add 💥 (😢 → 57, 😀 → 5099) in swift::TypeBase::getDesugaredType(…) Add test case for crash triggered in `swift::TypeBase::getDesugaredType(…)`. <details> <summary>Stack trace:</summary> ``` 4 swift 0x0000000001120000 swift::TypeBase::getDesugaredType() + 32 6 swift 0x0000000000eb7f0b swift::TypeChecker::addImplicitConstructors(swift::NominalTypeDecl*) + 635 7 swift 0x0000000000eabd2e swift::TypeChecker::checkInheritanceClause(swift::Decl*, swift::GenericTypeResolver*) + 5854 8 swift 0x0000000000ead058 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 376 9 swift 0x000000000110b61b swift::DeclContext::lookupQualified(swift::Type, swift::DeclName, swift::NLOptions, swift::LazyResolver*, llvm::SmallVectorImpl<swift::ValueDecl*>&) const + 2667 10 swift 0x0000000001109ebb swift::UnqualifiedLookup::UnqualifiedLookup(swift::DeclName, swift::DeclContext*, swift::LazyResolver*, bool, swift::SourceLoc, bool, bool) + 2491 11 swift 0x0000000000eeea4b swift::TypeChecker::lookupUnqualified(swift::DeclContext*, swift::DeclName, swift::SourceLoc, swift::OptionSet<swift::NameLookupFlags, unsigned int>) + 187 14 swift 0x0000000000f1ff6e 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 0x0000000000f20ec4 swift::TypeChecker::resolveType(swift::TypeRepr*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 164 17 swift 0x0000000000f1fe60 swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 192 18 swift 0x0000000000eaba5a swift::TypeChecker::checkInheritanceClause(swift::Decl*, swift::GenericTypeResolver*) + 5130 19 swift 0x0000000000ead058 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 376 20 swift 0x000000000110b61b swift::DeclContext::lookupQualified(swift::Type, swift::DeclName, swift::NLOptions, swift::LazyResolver*, llvm::SmallVectorImpl<swift::ValueDecl*>&) const + 2667 21 swift 0x0000000001109ebb swift::UnqualifiedLookup::UnqualifiedLookup(swift::DeclName, swift::DeclContext*, swift::LazyResolver*, bool, swift::SourceLoc, bool, bool) + 2491 22 swift 0x0000000000eeea4b swift::TypeChecker::lookupUnqualified(swift::DeclContext*, swift::DeclName, swift::SourceLoc, swift::OptionSet<swift::NameLookupFlags, unsigned int>) + 187 25 swift 0x0000000000f1ff6e swift::TypeChecker::resolveIdentifierType(swift::DeclContext*, swift::IdentTypeRepr*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, bool, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 158 27 swift 0x0000000000f20ec4 swift::TypeChecker::resolveType(swift::TypeRepr*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 164 28 swift 0x0000000000f1fe60 swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 192 29 swift 0x0000000000eaba5a swift::TypeChecker::checkInheritanceClause(swift::Decl*, swift::GenericTypeResolver*) + 5130 30 swift 0x0000000000eea415 swift::TypeChecker::checkGenericParamList(swift::ArchetypeBuilder*, swift::GenericParamList*, swift::GenericSignature*, bool, swift::GenericTypeResolver*) + 389 31 swift 0x0000000000eebc77 swift::TypeChecker::validateGenericSignature(swift::GenericParamList*, swift::DeclContext*, swift::GenericSignature*, std::function<bool (swift::ArchetypeBuilder&)>, bool&) + 135 32 swift 0x0000000000eec7df swift::TypeChecker::validateGenericTypeSignature(swift::GenericTypeDecl*) + 111 33 swift 0x0000000000ead04b swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 363 38 swift 0x0000000000eb2686 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150 39 swift 0x0000000000ed47e2 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) + 1026 40 swift 0x0000000000c616a9 swift::CompilerInstance::performSema() + 3289 42 swift 0x00000000007d8419 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2857 43 swift 0x00000000007a4448 main + 2872 Stack dump: 0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28346-swift-typebase-getdesugaredtype.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28346-swift-typebase-getdesugaredtype-cd880b.o 1. While type-checking 'A' at validation-test/compiler_crashers/28346-swift-typebase-getdesugaredtype.swift:9:1 2. While resolving type A at [validation-test/compiler_crashers/28346-swift-typebase-getdesugaredtype.swift:9:21 - line:9:21] RangeText="A" 3. While resolving type B at [validation-test/compiler_crashers/28346-swift-typebase-getdesugaredtype.swift:11:9 - line:11:9] RangeText="B" <unknown>:0: error: unable to execute command: Segmentation fault <unknown>:0: error: compile command failed due to signal (use -v to see invocation) ``` </details>