Commits

practicalswift committed 8fe3a50c1ea
[swiftc] Add test case for crash triggered in swift::constraints::ConstraintGraph::addConstraint(swift::constraints::Constraint*) Stack trace: ``` swift: /path/to/swift/lib/Sema/ConstraintGraph.cpp:50: std::pair<ConstraintGraphNode &, unsigned int> swift::constraints::ConstraintGraph::lookupNode(swift::TypeVariableType *): Assertion `impl.getGraphIndex() < TypeVariables.size() && "Out-of-bounds index"' failed. 9 swift 0x0000000000ef02cf swift::constraints::ConstraintGraph::addConstraint(swift::constraints::Constraint*) + 111 10 swift 0x0000000000e69082 swift::constraints::ConstraintSystem::addConstraint(swift::constraints::Constraint*, bool, bool) + 258 11 swift 0x0000000000ebdfcd swift::constraints::ConstraintSystem::matchTypes(swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 3869 12 swift 0x0000000000ebcc0b swift::constraints::ConstraintSystem::matchTupleTypes(swift::TupleType*, swift::TupleType*, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 443 13 swift 0x0000000000ec1eec swift::constraints::ConstraintSystem::simplifyRestrictedConstraint(swift::constraints::ConversionRestrictionKind, swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 620 14 swift 0x0000000000ebfa00 swift::constraints::ConstraintSystem::matchTypes(swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 10576 15 swift 0x0000000000ec11e0 swift::constraints::ConstraintSystem::matchFunctionTypes(swift::FunctionType*, swift::FunctionType*, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 400 16 swift 0x0000000000ec06c4 swift::constraints::ConstraintSystem::matchTypes(swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 13844 17 swift 0x0000000000ebd99a swift::constraints::ConstraintSystem::matchTypes(swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 2282 18 swift 0x0000000000ec963c swift::constraints::ConstraintSystem::simplifyConstraint(swift::constraints::Constraint const&) + 652 19 swift 0x0000000000e68f97 swift::constraints::ConstraintSystem::addConstraint(swift::constraints::Constraint*, bool, bool) + 23 20 swift 0x0000000000e787af swift::TypeChecker::callWitness(swift::Expr*, swift::DeclContext*, swift::ProtocolDecl*, swift::ProtocolConformance*, swift::DeclName, llvm::MutableArrayRef<swift::Expr*>, swift::Diag<>) + 1839 24 swift 0x0000000000f6705e swift::Expr::walk(swift::ASTWalker&) + 46 25 swift 0x0000000000e74806 swift::constraints::ConstraintSystem::applySolution(swift::constraints::Solution&, swift::Expr*, swift::Type, bool, bool, bool) + 502 26 swift 0x0000000000de91ab swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::Type, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*) + 683 28 swift 0x0000000000e90a86 swift::constraints::ConstraintSystem::diagnoseFailureForExpr(swift::Expr*) + 7734 29 swift 0x0000000000e9375e swift::constraints::ConstraintSystem::salvage(llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::Expr*) + 3934 30 swift 0x0000000000de2da5 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>) + 661 31 swift 0x0000000000de9139 swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::Type, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*) + 569 32 swift 0x0000000000dea2b0 swift::TypeChecker::typeCheckBinding(swift::Pattern*&, swift::Expr*&, swift::DeclContext*) + 112 33 swift 0x0000000000dea459 swift::TypeChecker::typeCheckPatternBinding(swift::PatternBindingDecl*, unsigned int) + 265 36 swift 0x0000000000e04076 swift::TypeChecker::typeCheckDecl(swift::Decl*, bool) + 150 39 swift 0x0000000000e499fa swift::TypeChecker::typeCheckFunctionBodyUntil(swift::FuncDecl*, swift::SourceLoc) + 362 40 swift 0x0000000000e4984e swift::TypeChecker::typeCheckAbstractFunctionBodyUntil(swift::AbstractFunctionDecl*, swift::SourceLoc) + 46 41 swift 0x0000000000e4a418 swift::TypeChecker::typeCheckAbstractFunctionBody(swift::AbstractFunctionDecl*) + 136 43 swift 0x0000000000dd0402 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int) + 1746 44 swift 0x0000000000c7aeef swift::CompilerInstance::performSema() + 2975 46 swift 0x00000000007755f7 frontend_main(llvm::ArrayRef<char const*>, char const*, void*) + 2487 47 swift 0x00000000007701d5 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/23445-swift-constraints-constraintgraph-unbindtypevariable.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/23445-swift-constraints-constraintgraph-unbindtypevariable-651080.o 1. While type-checking getter for a at validation-test/compiler_crashers/23445-swift-constraints-constraintgraph-unbindtypevariable.swift:5:6 2. While type-checking declaration 0x4ceff98 at validation-test/compiler_crashers/23445-swift-constraints-constraintgraph-unbindtypevariable.swift:6:1 3. While type-checking expression at [validation-test/compiler_crashers/23445-swift-constraints-constraintgraph-unbindtypevariable.swift:6:7 - line:7:1] RangeText="[[ 4. While type-checking expression at [validation-test/compiler_crashers/23445-swift-constraints-constraintgraph-unbindtypevariable.swift:6:7 - line:7:1] RangeText="[[ <unknown>:0: error: unable to execute command: Aborted <unknown>:0: error: compile command failed due to signal (use -v to see invocation) ```