Parser crash with wrong code

[ismail]

Bugzilla Link	9137
Resolution	FIXED
Resolved on	Feb 04, 2011 05:58
Version	trunk
OS	MacOS X
CC	@DougGregor

Extended Description

[~]> cat test.c
static attribute((always_inline)) inline void AV_COPY128(void d, const void s)
: "=m"((struct v)d)

[~]> clang test.c
Assertion failed: (getLang().CPlusPlus && "Call sites of this function should be guarded by checking for C++"), function ParseOptionalCXXScopeSpecifier, file ParseExprCXX.cpp, line 65.
0 clang 0x0000000101521bf2 llvm::SmallVectorTemplateBase<llvm_regmatch_t, false>::grow(unsigned long) + 754
1 clang 0x0000000101522a43 llvm::SmallVectorTemplateBase<llvm_regmatch_t, false>::grow(unsigned long) + 4419
2 libSystem.B.dylib 0x00007fff885db67a _sigtramp + 26
3 libSystem.B.dylib 0x0000000102033339 _sigtramp + 2040888537
4 clang 0x000000010001a762 std::vector<llvm::PassRegistrationListener*, std::allocatorllvm::PassRegistrationListener* >::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::PassRegistrationListener**, std::vector<llvm::PassRegistrationListener*, std::allocatorllvm::PassRegistrationListener* > >, llvm::PassRegistrationListener* const&) + 3474
5 clang 0x0000000100312364 llvm::SmallVectorTemplateCommonclang::Sema::OffsetOfComponent::operator[](unsigned int) + 28356
6 clang 0x00000001002f99e9 clang::Parser::DeclaratorScopeObj::EnterDeclaratorScope() + 6105
7 clang 0x00000001002fa94f clang::Parser::DeclaratorScopeObj::EnterDeclaratorScope() + 10047
8 clang 0x000000010033a23b llvm::SmallVectorTemplateBase<clang::ParsedTemplateArgument, false>::grow(unsigned long) + 43339
9 clang 0x00000001002ee446 clang::Parser::ConsumeAnyToken() + 30534
10 clang 0x000000010033a505 llvm::SmallVectorTemplateBase<clang::ParsedTemplateArgument, false>::grow(unsigned long) + 44053
11 clang 0x000000010033a947 llvm::SmallVectorTemplateBase<clang::ParsedTemplateArgument, false>::grow(unsigned long) + 45143
12 clang 0x000000010033bc0f llvm::SmallVectorTemplateBase<clang::ParsedTemplateArgument, false>::grow(unsigned long) + 49951
13 clang 0x000000010033be63 llvm::SmallVectorTemplateBase<clang::ParsedTemplateArgument, false>::grow(unsigned long) + 50547
14 clang 0x00000001002e4b1f llvm::IRBuilder<true, llvm::ConstantFolder, llvm::IRBuilderDefaultInserter >::CreateAdd(llvm::Value*, llvm::Value*, llvm::Twine const&) + 463
15 clang 0x00000001002b4ccc llvm::IRBuilder<true, llvm::ConstantFolder, llvm::IRBuilderDefaultInserter >::CreateIsNull(llvm::Value*, llvm::Twine const&) + 3980
16 clang 0x00000001000539f9 llvm::DenseMap<clang::IdentifierInfo const*, unsigned int, llvm::DenseMapInfo<clang::IdentifierInfo const*>, llvm::DenseMapInfo >::grow(unsigned int) + 7849
17 clang 0x0000000100024962 std::_Rb_tree<std::string, std::string, std::_Identitystd::string, std::lessstd::string, std::allocatorstd::string >::_M_insert_unique(std::string const&) + 2002
18 clang 0x000000010001c5da std::vector<llvm::PassRegistrationListener*, std::allocatorllvm::PassRegistrationListener* >::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::PassRegistrationListener**, std::vector<llvm::PassRegistrationListener*, std::allocatorllvm::PassRegistrationListener* > >, llvm::PassRegistrationListener* const&) + 11274
19 clang 0x0000000100023994 std::vector<std::string, std::allocatorstd::string >::operator=(std::vector<std::string, std::allocatorstd::string > const&) + 12260
20 clang 0x000000010001aee4 std::vector<llvm::PassRegistrationListener*, std::allocatorllvm::PassRegistrationListener* >::_M_insert_aux(__gnu_cxx::__normal_iterator<llvm::PassRegistrationListener**, std::vector<llvm::PassRegistrationListener*, std::allocatorllvm::PassRegistrationListener* > >, llvm::PassRegistrationListener* const&) + 5396
Stack dump:
0. Program arguments: /usr/local/bin/clang -cc1 -triple x86_64-apple-darwin10.0.0 -emit-obj -mrelax-all -disable-free -main-file-name testcase-min.i -pic-level 1 -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 97.17 -resource-dir /usr/local/bin/../lib/clang/2.9 -ferror-limit 19 -fmessage-length 120 -stack-protector 1 -fblocks -fdiagnostics-show-option -fcolor-diagnostics -o /var/folders/qk/qkch7RbJFkysE0a-GLNGMU+++TM/-Tmp-/cc-wFiz1e.o -x cpp-output testcase-min.i

1. testcase-min.i:2:15: current parser token '"=m"'
   clang: error: unable to execute command: Illegal instruction
   clang: error: clang frontend command failed due to signal 1 (use -v to see invocation)

[DougGregor]

Fixed in Clang r124860.