[Bug middle-end/78468] [7 regression] libgomp.c/reduction-10.c and many more FAIL

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78468

--- Comment #26 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> So do we want a target hook that can override these alignments, or new
> macros for each of the alignments that default to STACK_BOUNDARY?

No strong opinion, but IMO the main issue is to arrange for the default to be
conservatively safe so that we don't have to go over the ~50 architectures.