[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 #7 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Why can't the unwinder find the function name here?