[swiftc (75 vs. 5175)] Add crasher in swift::TypeBase::getCanonicalType(...) #5274
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…pe(...) Add test case for crash triggered in `swift::TypeBase::getCanonicalType(...)`. Current number of unresolved compiler crashers: 75 (5175 resolved) Assertion failure in [`lib/AST/ASTContext.cpp (line 3330)`](https://github.com/apple/swift/blob/master/lib/AST/ASTContext.cpp#L3330): ``` Assertion `!objectTy->hasError() && "cannot have ErrorType wrapped inside LValueType"' failed. When executing: static swift::LValueType *swift::LValueType::get(swift::Type) ``` Assertion context: ``` ID.AddPointer(Parent.getPointer()); } LValueType *LValueType::get(Type objectTy) { assert(!objectTy->hasError() && "cannot have ErrorType wrapped inside LValueType"); assert(!objectTy->is<LValueType>() && !objectTy->is<InOutType>() && "cannot have 'inout' or @lvalue wrapped inside an @lvalue"); auto properties = objectTy->getRecursiveProperties() | RecursiveTypeProperties::IsLValue; ``` Stack trace: ``` swift: /path/to/swift/lib/AST/ASTContext.cpp:3330: static swift::LValueType *swift::LValueType::get(swift::Type): Assertion `!objectTy->hasError() && "cannot have ErrorType wrapped inside LValueType"' failed. 8 swift 0x00000000011a9c1b swift::TypeBase::getCanonicalType() + 2075 9 swift 0x00000000011aa4a7 swift::TypeBase::isEqual(swift::Type) + 23 10 swift 0x0000000001069e9e swift::constraints::ConstraintSystem::matchTypes(swift::Type, swift::Type, swift::constraints::TypeMatchKind, unsigned int, swift::constraints::ConstraintLocatorBuilder) + 254 11 swift 0x0000000001075d72 swift::constraints::ConstraintSystem::simplifyConstraint(swift::constraints::Constraint const&) + 642 12 swift 0x0000000001008227 swift::constraints::ConstraintSystem::addConstraint(swift::constraints::Constraint*, bool, bool) + 23 13 swift 0x000000000100c27d swift::constraints::ConstraintSystem::resolveOverload(swift::constraints::ConstraintLocator*, swift::Type, swift::constraints::OverloadChoice) + 2365 14 swift 0x0000000001075e88 swift::constraints::ConstraintSystem::simplifyConstraint(swift::constraints::Constraint const&) + 920 15 swift 0x0000000001008227 swift::constraints::ConstraintSystem::addConstraint(swift::constraints::Constraint*, bool, bool) + 23 20 swift 0x0000000001135d9e swift::Expr::walk(swift::ASTWalker&) + 46 21 swift 0x0000000001053068 swift::constraints::ConstraintSystem::generateConstraints(swift::Expr*) + 200 22 swift 0x000000000107c2dd swift::constraints::ConstraintSystem::solve(swift::Expr*&, swift::Type, swift::ExprTypeCheckListener*, llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::FreeTypeVariableBinding) + 77 23 swift 0x0000000000f5e28b 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>) + 347 24 swift 0x0000000000f60d7e swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) + 942 27 swift 0x0000000000fe5223 swift::TypeChecker::typeCheckFunctionBodyUntil(swift::FuncDecl*, swift::SourceLoc) + 355 28 swift 0x0000000000fe5077 swift::TypeChecker::typeCheckAbstractFunctionBodyUntil(swift::AbstractFunctionDecl*, swift::SourceLoc) + 39 29 swift 0x0000000000fe5c7c swift::TypeChecker::typeCheckAbstractFunctionBody(swift::AbstractFunctionDecl*) + 188 31 swift 0x0000000000f9a75b swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) + 1291 32 swift 0x0000000000d11fd6 swift::CompilerInstance::performSema() + 3350 33 swift 0x000000000085dd1e swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) + 3422 34 swift 0x00000000008251de main + 2878 Stack dump: 0. Program arguments: /path/to/swift/bin/swift -frontend -c -primary-file validation-test/compiler_crashers/28438-swift-typebase-getcanonicaltype.swift -target x86_64-unknown-linux-gnu -disable-objc-interop -module-name main -o /tmp/28438-swift-typebase-getcanonicaltype-d67508.o 1. While type-checking setter for f at validation-test/compiler_crashers/28438-swift-typebase-getcanonicaltype.swift:10:39 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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@swift-ci please smoke test and merge |
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@swift-ci please test and merge |
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Add test case for crash triggered in
swift::TypeBase::getCanonicalType(...).Current number of unresolved compiler crashers: 75 (5175 resolved)
Assertion failure in
lib/AST/ASTContext.cpp (line 3330):Assertion context:
Stack trace: