https://gcc.gnu.org/bugzilla/show_bug.cgi?id=45833
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to rsand...@gcc.gnu.org from comment #3)
> Same thing without a union:
>
> struct v { int v[4]; } __attribute__ ((aligned (4 * sizeof (int))));
> void
> f (struct v *x, struct v *y, struct v *z)
> {
> for (int i = 0; i < 4; i++)
> x->v[i] = y->v[i] + z->v[i];
> }
That was fixed in GCC 8.
The union case is still not fixed.
