[Bug tree-optimization/91812] [7 Regression] GCC ignores volatile modifier

[fuchedzhy at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91812

--- Comment #13 from Gregory Fuchedzhy <fuchedzhy at google dot com> ---
(In reply to Richard Biener from comment #12)
> Fixed.
Thanks a lot, Richard!