[Support] Fix some warnings when self-hosting clang on Windows

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@186413 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2013-07-16 14:04:08 +00:00
parent f0d0a1681a
commit e7ff008462
2 changed files with 5 additions and 2 deletions

View File

@ -96,4 +96,9 @@ void llvm::llvm_unreachable_internal(const char *msg, const char *file,
dbgs() << " at " << file << ":" << line;
dbgs() << "!\n";
abort();
#ifdef LLVM_BUILTIN_UNREACHABLE
// Windows systems and possibly others don't declare abort() to be noreturn,
// so use the unreachable builtin to avoid a Clang self-host warning.
LLVM_BUILTIN_UNREACHABLE;
#endif
}