https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96180
--- Comment #2 from ro at CeBiTec dot Uni-Bielefeld.DE <ro at CeBiTec dot
Uni-Bielefeld.DE> ---
> --- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
> Hmm, yeah - the testcase assumes the target upps alignment of 'a' a bit from
> its requirement of 'int' ... guess changing a to require bigger alignment
> helps?
It does indeed: the test now PASSes reliably at all optimization levels.
Thanks.
Rainer
