[Bug testsuite/80551] c-c++-common/tsan/race_on_mutex.c fails on powerpc

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80551

--- Comment #16 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Fixed on trunk.  Does this actually fail on GCC 7?  The regexp there should
work AFAICS.