[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 #28 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> Well, at least at this point in GCC 7 development the fewer architectures we
> change the better.

Sure, but by changing the middle-end, you change all the architectures at once
and may break a fair number of them in the process.  At this point I'd lean
towards Bernd's position and revert again the get_dynamic_stack_size change,
since it relies on the very questionable settings of init_emit.