[2.32] struct _Unwind_Exception alignment should not depend on compiler flags

[Florian Weimer]

* Matheus Castanho:

>> Sorry for not being up-to-date with commit capabilities—would you be
>> able to commit this yourself?
>
> No, I don't have write permission. So I'd appreciate if either you or Tulio
> could push it if that's OK.

You should really apply for sourceware access.  Tulio, would you be able
to handle that?

I'm going to push the backport if my test build (on x86-64) completes.

Thanks,
Florian
-- 
Red Hat GmbH, https://de.redhat.com/ , Registered seat: Grasbrunn,
Commercial register: Amtsgericht Muenchen, HRB 153243,
Managing Directors: Charles Cachera, Brian Klemm, Laurie Krebs, Michael O'Neill