https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68759
--- Comment #6 from Ulrich Weigand <uweigand at gcc dot gnu.org> --- FYI, two patches to fix this issue have just been committed to powerpc-next: https://git.kernel.org/powerpc/c/2e50c4bef77511b42cc226865d https://git.kernel.org/powerpc/c/a61674bdfc7c2bf909c4010699