[Bug sanitizer/119926] Allow -fasan-shadow-offset= to be used with -fsanitize=address

[yshuiv7 at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119926

--- Comment #2 from Yuxuan Shui <yshuiv7 at gmail dot com> ---
So far I had quite some success with wine using this patch. I don't see any
obvious problems.

Can we merge this?