[swiftc] Add test case for crash triggered in swift::constraints::ConstraintSystem::matchDeepEqualityTypes(…) #1278
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…straintSystem::matchDeepEqualityTypes(swift::Type, swift::Type, swift::constraints::ConstraintLocatorBuilder) Stack trace: ``` swift: /path/to/swift/lib/Sema/CSSimplify.cpp:976: ConstraintSystem::SolutionKind swift::constraints::ConstraintSystem::matchDeepEqualityTypes(swift::Type, swift::Type, swift::constraints::ConstraintLocatorBuilder): Assertion `(bool)nominal1->getParent() == (bool)nominal2->getParent() && "Mismatched parents of nominal types"' failed. 8 swift 0x0000000000ebd1e8 swift::constraints::ConstraintSystem::matchDeepEqualityTypes(swift::Type, swift::Type, swift::constraints::ConstraintLocatorBuilder) + 1000 9 swift 0x0000000000ebda5b swift::constraints::ConstraintSystem::simplifyRestrictedConstraint(swift::constraints::ConversionRestrictionKind, swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 1019 10 swift 0x0000000000ebb264 swift::constraints::ConstraintSystem::matchTypes(swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 9988 11 swift 0x0000000000ec502c swift::constraints::ConstraintSystem::simplifyConstraint(swift::constraints::Constraint const&) + 652 12 swift 0x0000000000e5f857 swift::constraints::ConstraintSystem::addConstraint(swift::constraints::Constraint*, bool, bool) + 23 13 swift 0x0000000000e62464 swift::constraints::ConstraintSystem::getTypeOfMemberReference(swift::Type, swift::ValueDecl*, bool, bool, swift::constraints::ConstraintLocatorBuilder, swift::DeclRefExpr const*, llvm::DenseMap<swift::CanType, swift::TypeVariableType*, llvm::DenseMapInfo<swift::CanType>, llvm::detail::DenseMapPair<swift::CanType, swift::TypeVariableType*> >*) + 3252 14 swift 0x0000000000e62de7 swift::constraints::ConstraintSystem::resolveOverload(swift::constraints::ConstraintLocator*, swift::Type, swift::constraints::OverloadChoice) + 519 15 swift 0x0000000000ec5143 swift::constraints::ConstraintSystem::simplifyConstraint(swift::constraints::Constraint const&) + 931 16 swift 0x0000000000e5f857 swift::constraints::ConstraintSystem::addConstraint(swift::constraints::Constraint*, bool, bool) + 23 19 swift 0x0000000000f665d5 swift::Expr::walk(swift::ASTWalker&) + 69 20 swift 0x0000000000ea3e48 swift::constraints::ConstraintSystem::generateConstraints(swift::Expr*) + 200 21 swift 0x0000000000dd7b30 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>) + 256 22 swift 0x0000000000dde0e9 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::Type, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*) + 569 26 swift 0x0000000000e4064a swift::TypeChecker::typeCheckFunctionBodyUntil(swift::FuncDecl*, swift::SourceLoc) + 362 27 swift 0x0000000000e4049e swift::TypeChecker::typeCheckAbstractFunctionBodyUntil(swift::AbstractFunctionDecl*, swift::SourceLoc) + 46 28 swift 0x0000000000e41068 swift::TypeChecker::typeCheckAbstractFunctionBody(swift::AbstractFunctionDecl*) + 136 30 swift 0x0000000000dc61b4 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int) + 1300 31 swift 0x0000000000c7970f swift::CompilerInstance::performSema() + 2975 33 swift 0x0000000000774901 frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 2481 34 swift 0x000000000076f445 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/28253-swift-constraints-constraintsystem-matchdeepequalitytypes.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28253-swift-constraints-constraintsystem-matchdeepequalitytypes-09a3bc.o 1. While type-checking getter for b at validation-test/compiler_crashers/28253-swift-constraints-constraintsystem-matchdeepequalitytypes.swift:12:5 2. While type-checking expression at [<invalid loc> - <invalid loc>] <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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Feb 11, 2016
…raints-constraintsystem-matchdeepequalitytypes [swiftc] Add test case for crash triggered in swift::constraints::ConstraintSystem::matchDeepEqualityTypes(…)
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