[swiftc (131 vs. 5184)] Add crasher in swift::ASTVisitor #5756
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Add test case for crash triggered in `swift::ASTVisitor`. Current number of unresolved compiler crashers: 131 (5184 resolved) Stack trace: ``` a type variable escaped the type checker#0 0x00000000031d2438 llvm::sys::PrintStackTrace(llvm::raw_ostream&) (/path/to/swift/bin/swift+0x31d2438) #1 0x00000000031d2c86 SignalHandler(int) (/path/to/swift/bin/swift+0x31d2c86) #2 0x00007fef61a66330 __restore_rt (/lib/x86_64-linux-gnu/libpthread.so.0+0x10330) #3 0x00007fef60224c37 gsignal /build/eglibc-oGUzwX/eglibc-2.19/signal/../nptl/sysdeps/unix/sysv/linux/raise.c:56:0 #4 0x00007fef60228028 abort /build/eglibc-oGUzwX/eglibc-2.19/stdlib/abort.c:91:0 #5 0x0000000000d5c9ac (anonymous namespace)::Verifier::verifyChecked(swift::Type, llvm::SmallPtrSet<swift::ArchetypeType*, 4u>&) (/path/to/swift/bin/swift+0xd5c9ac) #6 0x0000000000d4f68a (anonymous namespace)::Verifier::walkToExprPost(swift::Expr*) (/path/to/swift/bin/swift+0xd4f68a) #7 0x0000000000d69564 (anonymous namespace)::Traversal::visit(swift::Expr*) (/path/to/swift/bin/swift+0xd69564) #8 0x0000000000d6812a swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xd6812a) #9 0x0000000000d67fec swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xd67fec) #10 0x0000000000d6ae03 (anonymous namespace)::Traversal::visit(swift::Expr*) (/path/to/swift/bin/swift+0xd6ae03) #11 0x0000000000d6808f swift::ASTVisitor<(anonymous namespace)::Traversal, swift::Expr*, swift::Stmt*, bool, swift::Pattern*, bool, void>::visit(swift::Stmt*) (/path/to/swift/bin/swift+0xd6808f) #12 0x0000000000d6692e (anonymous namespace)::Traversal::doIt(swift::Decl*) (/path/to/swift/bin/swift+0xd6692e) #13 0x0000000000d66544 swift::Decl::walk(swift::ASTWalker&) (/path/to/swift/bin/swift+0xd66544) #14 0x0000000000dbbfae swift::SourceFile::walk(swift::ASTWalker&) (/path/to/swift/bin/swift+0xdbbfae) #15 0x0000000000d4e13c swift::verify(swift::SourceFile&) (/path/to/swift/bin/swift+0xd4e13c) #16 0x0000000000c15e52 swift::performTypeChecking(swift::SourceFile&, swift::TopLevelContext&, swift::OptionSet<swift::TypeCheckingFlags, unsigned int>, unsigned int, unsigned int) (/path/to/swift/bin/swift+0xc15e52) #17 0x0000000000938c66 swift::CompilerInstance::performSema() (/path/to/swift/bin/swift+0x938c66) #18 0x000000000047ece5 performCompile(swift::CompilerInstance&, swift::CompilerInvocation&, llvm::ArrayRef<char const*>, int&, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47ece5) #19 0x000000000047db7f swift::performFrontend(llvm::ArrayRef<char const*>, char const*, void*, swift::FrontendObserver*) (/path/to/swift/bin/swift+0x47db7f) #20 0x000000000044509a main (/path/to/swift/bin/swift+0x44509a) #21 0x00007fef6020ff45 __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:321:0 #22 0x0000000000442816 _start (/path/to/swift/bin/swift+0x442816) ```
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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::ASTVisitor.Current number of unresolved compiler crashers: 131 (5184 resolved)
Stack trace: