http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59215
--- Comment #3 from Kostya Serebryany <kcc at gcc dot gnu.org> --- > I can try to come up with a minimal test case... Yet, I cannot imagine > that the following would ever work with TSan: > typedef int _Atomic_word; It does not matter how _Atomic_word is defined. What matters is how the code reads/write these atomics. If that's via __sync_* or __atomic_* intrinsics, tsan will understand that. But only if you re-compile stdlibc++ with tsan, otherwise tsan will still not see the atomic instructions. See the llvm bug mentioned above. > > I imagine, you'd need to "color" reading sites or change the type to > std::atomic. > > Is this right?
