[swiftc (38 vs. 5156)] Add crasher in swift::constraints::ConstraintGraph::addConstraint(...) #4066
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…raph::addConstraint(...) Add test case for crash triggered in `swift::constraints::ConstraintGraph::addConstraint(...)`. Current number of unresolved compiler crashers: 38 (5156 resolved) Assertion failure in [`lib/Sema/ConstraintGraph.cpp (line 50)`](https://github.com/apple/swift/blob/master/lib/Sema/ConstraintGraph.cpp#L50): ``` Assertion `impl.getGraphIndex() < TypeVariables.size() && "Out-of-bounds index"' failed. When executing: std::pair<ConstraintGraphNode &, unsigned int> swift::constraints::ConstraintGraph::lookupNode(swift::TypeVariableType *) ``` Assertion context: ``` std::pair<ConstraintGraphNode &, unsigned> ConstraintGraph::lookupNode(TypeVariableType *typeVar) { // Check whether we've already created a node for this type variable. auto &impl = typeVar->getImpl(); if (auto nodePtr = impl.getGraphNode()) { assert(impl.getGraphIndex() < TypeVariables.size() && "Out-of-bounds index"); assert(TypeVariables[impl.getGraphIndex()] == typeVar && "Type variable mismatch"); return { *nodePtr, impl.getGraphIndex() }; } ``` 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 0x000000000100b20f swift::constraints::ConstraintGraph::addConstraint(swift::constraints::Constraint*) + 127 10 swift 0x0000000000f62b62 swift::constraints::ConstraintSystem::addConstraint(swift::constraints::Constraint*, bool, bool) + 258 11 swift 0x0000000000fc8085 swift::constraints::ConstraintSystem::matchTypes(swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 1685 12 swift 0x0000000000fcc186 swift::constraints::ConstraintSystem::matchTupleToScalarTypes(swift::TupleType*, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 182 13 swift 0x0000000000fcd2c2 swift::constraints::ConstraintSystem::simplifyRestrictedConstraint(swift::constraints::ConversionRestrictionKind, swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 978 14 swift 0x0000000000fca954 swift::constraints::ConstraintSystem::matchTypes(swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 12132 15 swift 0x0000000000fd4866 swift::constraints::ConstraintSystem::simplifyConstraint(swift::constraints::Constraint const&) + 630 16 swift 0x0000000000f62a77 swift::constraints::ConstraintSystem::addConstraint(swift::constraints::Constraint*, bool, bool) + 23 17 swift 0x0000000000ec690a swift::TypeChecker::typesSatisfyConstraint(swift::Type, swift::Type, swift::constraints::ConstraintKind, swift::DeclContext*) + 138 18 swift 0x0000000000ec6a5f swift::TypeChecker::typeCheckCheckedCast(swift::Type, swift::Type, swift::DeclContext*, swift::SourceLoc, swift::SourceRange, swift::SourceRange, std::function<bool (swift::Type)>, bool) + 79 20 swift 0x0000000000f8a352 swift::constraints::ConstraintSystem::diagnoseFailureForExpr(swift::Expr*) + 114 21 swift 0x0000000000f9070e swift::constraints::ConstraintSystem::salvage(llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::Expr*) + 4078 22 swift 0x0000000000ebd169 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>) + 857 23 swift 0x0000000000ec413d swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) + 621 26 swift 0x0000000000f8a340 swift::constraints::ConstraintSystem::diagnoseFailureForExpr(swift::Expr*) + 96 27 swift 0x0000000000f9070e swift::constraints::ConstraintSystem::salvage(llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::Expr*) + 4078 28 swift 0x0000000000ebd169 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>) + 857 29 swift 0x0000000000ec413d swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) + 621 33 swift 0x0000000000f8a340 swift::constraints::ConstraintSystem::diagnoseFailureForExpr(swift::Expr*) + 96 34 swift 0x0000000000f9070e swift::constraints::ConstraintSystem::salvage(llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::Expr*) + 4078 35 swift 0x0000000000ebd169 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>) + 857 36 swift 0x0000000000ec413d swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) + 621 38 swift 0x0000000000f407b6 swift::TypeChecker::typeCheckTopLevelCodeDecl(swift::TopLevelCodeDecl*) + 134 39 swift 0x0000000000efb10d swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) + 1133 40 swift 0x0000000000c7b599 swift::CompilerInstance::performSema() + 3289 42 swift 0x00000000007db4c7 swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 2887 43 swift 0x00000000007a72b8 main + 2872 Stack dump: 0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28385-swift-constraints-constraintgraph-addconstraint.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28385-swift-constraints-constraintgraph-addconstraint-8d8da3.o 1. While type-checking expression at [validation-test/compiler_crashers/28385-swift-constraints-constraintgraph-addconstraint.swift:10:1 - line:10:17] RangeText="assert((n:String{" 2. While type-checking expression at [validation-test/compiler_crashers/28385-swift-constraints-constraintgraph-addconstraint.swift:10:7 - line:10:17] RangeText="((n:String{" 3. While type-checking expression at [validation-test/compiler_crashers/28385-swift-constraints-constraintgraph-addconstraint.swift:10:8 - line:10:17] RangeText="(n:String{" <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 test and merge |
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macOS succeeded, Linux had a strange issue during the LLDB build, retrying: @swift-ci Please test Linux platform |
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Add test case for crash triggered in
swift::constraints::ConstraintGraph::addConstraint(...).Current number of unresolved compiler crashers: 38 (5156 resolved)
Assertion failure in
lib/Sema/ConstraintGraph.cpp (line 50):Assertion context:
Stack trace: