[swiftc (114 vs. 5184)] Add crasher in swift::Type::transform #5737
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Add test case for crash triggered in `swift::Type::transform`. Current number of unresolved compiler crashers: 114 (5184 resolved) Assertion failure in [`lib/AST/ASTContext.cpp (line 2619)`](https://github.com/apple/swift/blob/master/lib/AST/ASTContext.cpp#L2619): ``` Assertion `(!Parent || Parent->is<NominalType>() || Parent->is<BoundGenericType>() || Parent->is<UnboundGenericType>()) && "parent must be a nominal type"' failed. When executing: static swift::NominalType *swift::NominalType::get(swift::NominalTypeDecl *, swift::Type, const swift::ASTContext &) ``` Assertion context: ``` assert((isa<ProtocolDecl>(D) || !D->getGenericParams()) && "must be a non-generic type decl"); assert((!Parent || Parent->is<NominalType>() || Parent->is<BoundGenericType>() || Parent->is<UnboundGenericType>()) && "parent must be a nominal type"); switch (D->getKind()) { case DeclKind::Enum: return EnumType::get(cast<EnumDecl>(D), Parent, C); case DeclKind::Struct: ``` Stack trace: ``` #0 0x00000000031d10e8 llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/path/to/swift/bin/swift+0x31d10e8) #1 0x00000000031d1936 SignalHandler(int) (/path/to/swift/bin/swift+0x31d1936) #2 0x00007f1987b92330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330) #3 0x00007f1986350c37 gsignal /build/eglibc-oGUzwX/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0 #4 0x00007f1986354028 abort /build/eglibc-oGUzwX/eglibc-2.19/stdlib/abort.c:91:0 #5 0x00007f1986349bf6 __assert_fail_base /build/eglibc-oGUzwX/eglibc-2.19/assert/assert.c:92:0 #6 0x00007f1986349ca2 (/lib/x86_64-linux-gnu/libc.so.6+0x2fca2) #7 0x0000000000d012c8 (/path/to/swift/bin/swift+0xd012c8) #8 0x0000000000de3cd1 swift::Type::transform(llvm::function_ref<swift::Type (swift::Type)>) const (/path/to/swift/bin/swift+0xde3cd1) #9 0x0000000000cb24b0 swift::constraints::ConstraintSystem::getTypeOfReference(swift::ValueDecl*, bool, bool, swift::FunctionRefKind, swift::constraints::ConstraintLocatorBuilder, swift::DeclRefExpr const*) (/path/to/swift/bin/swift+0xcb24b0) #10 0x0000000000cb4a30 swift::constraints::ConstraintSystem::resolveOverload(swift::constraints::ConstraintLocator*, swift::Type, swift::constraints::OverloadChoice) (/path/to/swift/bin/swift+0xcb4a30) #11 0x0000000000c67cc9 swift::ASTVisitor<(anonymous namespace)::ConstraintGenerator, swift::Type, void, void, void, void, void>::visit(swift::Expr*) (/path/to/swift/bin/swift+0xc67cc9) #12 0x0000000000c6e3c0 (anonymous namespace)::ConstraintWalker::walkToExprPost(swift::Expr*) (/path/to/swift/bin/swift+0xc6e3c0) #13 0x0000000000d68941 (anonymous namespace)::Traversal::visit(swift::Expr*) (/path/to/swift/bin/swift+0xd68941) #14 0x0000000000d6a312 (anonymous namespace)::Traversal::visit(swift::Expr*) (/path/to/swift/bin/swift+0xd6a312) #15 0x0000000000d6a372 (anonymous namespace)::Traversal::visit(swift::Expr*) (/path/to/swift/bin/swift+0xd6a372) #16 0x0000000000d659be swift::Expr::walk(swift::ASTWalker&) (/path/to/swift/bin/swift+0xd659be) #17 0x0000000000c63ca8 swift::constraints::ConstraintSystem::generateConstraints(swift::Expr*) (/path/to/swift/bin/swift+0xc63ca8) #18 0x0000000000c8d35d swift::constraints::ConstraintSystem::solve(swift::Expr*&, swift::Type, swift::ExprTypeCheckListener*, llvm::SmallVectorImpl<swift::constraints::Solution>&, swift::FreeTypeVariableBinding) (/path/to/swift/bin/swift+0xc8d35d) #19 0x0000000000b8ae7b 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>) (/path/to/swift/bin/swift+0xb8ae7b) #20 0x0000000000b8d96e swift::TypeChecker::typeCheckExpression(swift::Expr*&, swift::DeclContext*, swift::TypeLoc, swift::ContextualTypePurpose, swift::OptionSet<swift::TypeCheckExprFlags, unsigned int>, swift::ExprTypeCheckListener*, swift::constraints::ConstraintSystem*) (/path/to/swift/bin/swift+0xb8d96e) #21 0x0000000000c02594 swift::ASTVisitor<(anonymous namespace)::StmtChecker, void, swift::Stmt*, void, void, void, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xc02594) #22 0x0000000000c01665 (anonymous namespace)::StmtChecker::typeCheckBody(swift::BraceStmt*&) (/path/to/swift/bin/swift+0xc01665) #23 0x0000000000c00993 swift::TypeChecker::typeCheckFunctionBodyUntil(swift::FuncDecl*, swift::SourceLoc) (/path/to/swift/bin/swift+0xc00993) #24 0x0000000000c007e7 swift::TypeChecker::typeCheckAbstractFunctionBodyUntil(swift::AbstractFunctionDecl*, swift::SourceLoc) (/path/to/swift/bin/swift+0xc007e7) #25 0x0000000000c01411 swift::TypeChecker::typeCheckAbstractFunctionBody(swift::AbstractFunctionDecl*) (/path/to/swift/bin/swift+0xc01411) #26 0x0000000000c151f8 typeCheckFunctionsAndExternalDecls(swift::TypeChecker&) (/path/to/swift/bin/swift+0xc151f8) #27 0x0000000000c15d8b swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) (/path/to/swift/bin/swift+0xc15d8b) #28 0x0000000000938c66 swift::CompilerInstance::performSema() (/path/to/swift/bin/swift+0x938c66) #29 0x000000000047ece5 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47ece5) #30 0x000000000047db7f swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47db7f) #31 0x000000000044509a main (/path/to/swift/bin/swift+0x44509a) #32 0x00007f198633bf45 __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:321:0 #33 0x0000000000442816 _start (/path/to/swift/bin/swift+0x442816) ```
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@swift-ci please smoke test and merge |
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Add test case for crash triggered in
swift::Type::transform.Current number of unresolved compiler crashers: 114 (5184 resolved)
Assertion failure in
lib/AST/ASTContext.cpp (line 2619):Assertion context:
Stack trace: