https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55561
--- Comment #47 from Roland Schulz <roland at rschulz dot eu> --- Using 4.9 and --disable-linux-futex I don't get any false positives. Thus the problem I saw with 4.8.2 is indeed fixed with 4.9. Thanks! What is the advantage of a TSAN instrumented libgomp over one with --disable-linux-futex?