https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81241
Jim Wilson <wilson at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |wilson at gcc dot gnu.org --- Comment #3 from Jim Wilson <wilson at gcc dot gnu.org> --- It might be related to https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81195 which is already fixed on mainline and for gcc-7.2. This failure was triggered by multithreaded write statements.