Crash on invalid in clang::Sema::ActOnFinishCXXMemberSpecification #9619
Description
| Bugzilla Link | 9247 |
| Resolution | FIXED |
| Resolved on | Feb 22, 2011 17:22 |
| Version | trunk |
| OS | Linux |
| Reporter | LLVM Bugzilla Contributor |
| CC | @DougGregor,@tkremenek |
Extended Description
struct A {
virtual void g(const A& input) = 0;
struct B {
C* f(int foo);
};
};
$ clang -fsyntax-only /tmp/3466630.ii
/tmp/3466630.ii:4:5: error: unknown type name 'C'
C* f(int foo);
^
0 clang 0x000000000215f340
1 clang 0x000000000215f13c
2 libpthread.so.0 0x00007fa19e7789f0
3 clang 0x00000000011fd5fa llvm::PointerIntPair<void*, 1u, bool, llvm::PointerUnionUIntTraits<clang::TypeSourceInfo*, clang::DeclaratorDecl::ExtInfo*> >::getInt() const + 16
4 clang 0x00000000011fc25e int llvm::PointerUnion<clang::TypeSourceInfo*, clang::DeclaratorDecl::ExtInfo*>::isclang::DeclaratorDecl::ExtInfo*() const + 74
5 clang 0x00000000011f84e0 clang::DeclaratorDecl::hasExtInfo() const + 28
6 clang 0x00000000011f851e clang::DeclaratorDecl::getTypeSourceInfo() const + 24
7 clang 0x000000000154ca72
8 clang 0x000000000154c3dc
9 clang 0x000000000154d0a5
10 clang 0x000000000154d126
11 clang 0x000000000154d1bd
12 clang 0x000000000154d368
13 clang 0x000000000154d470 clang::Sema::CheckCompletedCXXClass(clang::CXXRecordDecl*) + 158
14 clang 0x000000000154e1af clang::Sema::ActOnFinishCXXMemberSpecification(clang::Scope*, clang::SourceLocation, clang::Decl*, clang::SourceLocation, clang::SourceLocation, clang::AttributeList*) + 199
15 clang 0x0000000001399f33 clang::Parser::ParseCXXMemberSpecification(clang::SourceLocation, unsigned int, clang::Decl*) + 1703
16 clang 0x00000000013978a0 clang::Parser::ParseClassSpecifier(clang::tok::TokenKind, clang::SourceLocation, clang::DeclSpec&, clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier, bool) + 5760
17 clang 0x000000000137e100 clang::Parser::ParseDeclarationSpecifiers(clang::DeclSpec&, clang::Parser::ParsedTemplateInfo const&, clang::AccessSpecifier, clang::Parser::DeclSpecContext) + 6450
18 clang 0x0000000001359a20 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsingDeclSpec&, clang::AccessSpecifier) + 88
19 clang 0x0000000001359e45 clang::Parser::ParseDeclarationOrFunctionDefinition(clang::ParsedAttributes&, clang::AccessSpecifier) + 113
20 clang 0x00000000013597c3 clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::Parser::ParsingDeclSpec*) + 2199
21 clang 0x0000000001358e9c clang::Parser::ParseTopLevelDecl(clang::OpaquePtrclang::DeclGroupRef&) + 210
22 clang 0x00000000013561c1 clang::ParseAST(clang::Sema&, bool) + 328
23 clang 0x000000000129036d clang::ASTFrontendAction::ExecuteAction() + 263
24 clang 0x000000000128ffc5 clang::FrontendAction::Execute() + 319
25 clang 0x000000000120915f clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) + 747
26 clang 0x0000000000e98f25 clang::ExecuteCompilerInvocation(clang::CompilerInstance*) + 879
27 clang 0x0000000000e8ad07 cc1_main(char const**, char const**, char const*, void*) + 951
28 clang 0x0000000000e94448 main + 481
29 libc.so.6 0x00007fa19dedfd5d __libc_start_main + 253
30 clang 0x0000000000e8a36e
Stack dump:
0. Program arguments: clang -cc1 -triple x86_64-unknown-linux-gnu -fsyntax-only -disable-free -main-file-name 3466630.ii -mrelocation-model static -mdisable-fp-elim -masm-verbose -mconstructor-aliases -munwind-tables -target-cpu x86-64 -momit-leaf-frame-pointer -resource-dir ../lib/clang/2.0 -ferror-limit 19 -fmessage-length 80 -fexceptions -fgnu-runtime -fdiagnostics-show-option -fcolor-diagnostics -x c++-cpp-output /tmp/3466630.ii
- /tmp/3466630.ii:6:2: current parser token ';'
- /tmp/3466630.ii:1:1: parsing struct/union/class body 'A'
clang: error: unable to execute command: Segmentation fault
clang: error: clang frontend command failed due to signal 1 (use -v to see invocation)