[Bug middle-end/117498] [13/14/15 regression] Miscompile with -O3 since r13-1268-g8c99e307b20c502

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117498

--- Comment #9 from Richard Biener <rguenth at gcc dot gnu.org> ---
It looks like the vectorizer thinks it aligns 'g':

        .globl  g
        .bss    
        .align 16
        .type   g, @object
        .size   g, 1
g:
        .zero   1