[swiftc (68 vs. 5162)] Add crasher in swift::TypeChecker::validateDecl(...) #4798
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…l(...) Add test case for crash triggered in `swift::TypeChecker::validateDecl(...)`. Current number of unresolved compiler crashers: 68 (5162 resolved) Assertion failure in [`include/swift/AST/DiagnosticEngine.h (line 614)`](https://github.com/apple/swift/blob/master/include/swift/AST/DiagnosticEngine.h#L614): ``` Assertion `!ActiveDiagnostic && "Already have an active diagnostic"' failed. When executing: swift::InFlightDiagnostic swift::DiagnosticEngine::diagnose(swift::SourceLoc, Diag<ArgTypes...>, typename detail::PassArgument<ArgTypes>::type...) [ArgTypes = <swift::Identifier>] ``` Assertion context: ``` /// the types expected by the diagnostic \p ID. template<typename ...ArgTypes> InFlightDiagnostic diagnose(SourceLoc Loc, Diag<ArgTypes...> ID, typename detail::PassArgument<ArgTypes>::type... Args) { assert(!ActiveDiagnostic && "Already have an active diagnostic"); ActiveDiagnostic = Diagnostic(ID, std::move(Args)...); ActiveDiagnostic->setLoc(Loc); return InFlightDiagnostic(*this); } ``` Stack trace: ``` swift: /path/to/swift/include/swift/AST/DiagnosticEngine.h:614: swift::InFlightDiagnostic swift::DiagnosticEngine::diagnose(swift::SourceLoc, Diag<ArgTypes...>, typename detail::PassArgument<ArgTypes>::type...) [ArgTypes = <swift::Identifier>]: Assertion `!ActiveDiagnostic && "Already have an active diagnostic"' failed. 9 swift 0x0000000000eda3e1 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 3905 10 swift 0x000000000115029b swift::DeclContext::lookupQualified(swift::Type, swift::DeclName, swift::NLOptions, swift::LazyResolver*, llvm::SmallVectorImpl<swift::ValueDecl*>&) const + 2667 11 swift 0x000000000114eabe swift::UnqualifiedLookup::UnqualifiedLookup(swift::DeclName, swift::DeclContext*, swift::LazyResolver*, bool, swift::SourceLoc, bool, bool) + 4990 12 swift 0x0000000000f1e153 swift::TypeChecker::lookupUnqualified(swift::DeclContext*, swift::DeclName, swift::SourceLoc, swift::OptionSet<swift::NameLookupFlags, unsigned int>) + 99 15 swift 0x0000000000f51cb2 swift::TypeChecker::resolveIdentifierType(swift::DeclContext*, swift::IdentTypeRepr*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, bool, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 162 17 swift 0x0000000000f52d54 swift::TypeChecker::resolveType(swift::TypeRepr*, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 164 18 swift 0x0000000000f514e3 swift::TypeChecker::validateType(swift::TypeLoc&, swift::DeclContext*, swift::OptionSet<swift::TypeResolutionFlags, unsigned int>, swift::GenericTypeResolver*, llvm::function_ref<bool (swift::TypeCheckRequest)>*) + 195 21 swift 0x0000000000eda1e2 swift::TypeChecker::validateDecl(swift::ValueDecl*, bool) + 3394 22 swift 0x000000000115029b swift::DeclContext::lookupQualified(swift::Type, swift::DeclName, swift::NLOptions, swift::LazyResolver*, llvm::SmallVectorImpl<swift::ValueDecl*>&) const + 2667 23 swift 0x0000000000f1eed1 swift::TypeChecker::lookupMemberType(swift::DeclContext*, swift::Type, swift::Identifier, swift::OptionSet<swift::NameLookupFlags, unsigned int>) + 289 24 swift 0x0000000000fdd1ad swift::constraints::ConstraintSystem::performMemberLookup(swift::constraints::ConstraintKind, swift::DeclName, swift::Type, swift::FunctionRefKind, swift::constraints::ConstraintLocator*, bool) + 2413 25 swift 0x0000000000fdef9b swift::constraints::ConstraintSystem::simplifyMemberConstraint(swift::constraints::Constraint const&) + 491 26 swift 0x0000000000fe0105 swift::constraints::ConstraintSystem::simplifyConstraint(swift::constraints::Constraint const&) + 69 27 swift 0x0000000000fea7db swift::constraints::ConstraintSystem::solveSimplified(llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::FreeTypeVariableBinding) + 12235 28 swift 0x0000000000fe4ec3 swift::constraints::ConstraintSystem::solveRec(llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::FreeTypeVariableBinding) + 323 29 swift 0x0000000000fe48e9 swift::constraints::ConstraintSystem::solve(llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::FreeTypeVariableBinding) + 73 30 swift 0x0000000000fe481b swift::constraints::ConstraintSystem::solveSingle(swift::FreeTypeVariableBinding) + 59 31 swift 0x0000000000fc1c77 swift::checkMemberType(swift::DeclContext&, swift::Type, llvm::ArrayRef<swift::Identifier>) + 487 33 swift 0x000000000116b3c3 swift::Type::transform(llvm::function_ref<swift::Type (swift::Type)>) const + 35 38 swift 0x00000000010715f6 swift::Decl::print(swift::ASTPrinter&, swift::PrintOptions const&) const + 54 42 swift 0x0000000000f28a57 swift::TypeChecker::checkConformance(swift::NormalProtocolConformance*) + 2103 43 swift 0x0000000000f28f67 swift::TypeChecker::checkConformancesInContext(swift::DeclContext*, swift::IterableDeclContext*) + 487 50 swift 0x0000000000edfc26 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150 53 swift 0x0000000000f4b744 swift::TypeChecker::typeCheckClosureBody(swift::ClosureExpr*) + 244 54 swift 0x0000000000f78aec swift::constraints::ConstraintSystem::applySolution(swift::constraints::Solution&, swift::Expr*, swift::Type, bool, bool, bool) + 876 55 swift 0x0000000000ec9506 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) + 1126 57 swift 0x0000000000f4b886 swift::TypeChecker::typeCheckTopLevelCodeDecl(swift::TopLevelCodeDecl*) + 134 58 swift 0x0000000000f0452d swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) + 1133 59 swift 0x0000000000c86e69 swift::CompilerInstance::performSema() + 3289 61 swift 0x00000000007e0947 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2887 62 swift 0x00000000007a8e08 main + 2984 Stack dump: 0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28418-swift-typechecker-validatedecl.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28418-swift-typechecker-validatedecl-77c362.o 1. While type-checking expression at [validation-test/compiler_crashers/28418-swift-typechecker-validatedecl.swift:10:1 - line:14:13] RangeText="{protocol P{ 2. While type-checking 'P' at validation-test/compiler_crashers/28418-swift-typechecker-validatedecl.swift:10:2 3. While type-checking 'e' at validation-test/compiler_crashers/28418-swift-typechecker-validatedecl.swift:14:1 4. While resolving type e at [validation-test/compiler_crashers/28418-swift-typechecker-validatedecl.swift:14:13 - line:14:13] RangeText="e" <unknown>:0: error: unable to execute command: Aborted <unknown>:0: error: compile command failed due to signal (use -v to see invocation) ```
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@swift-ci please smoke test and merge |
aaditya-chandrasekhar
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Sep 30, 2022
[pull] swiftwasm-release/5.7 from release/5.7
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Add test case for crash triggered in
swift::TypeChecker::validateDecl(...).Current number of unresolved compiler crashers: 68 (5162 resolved)
Assertion failure in
include/swift/AST/DiagnosticEngine.h (line 614):Assertion context:
Stack trace: