[Bug c/108298] Wrong optimization of volatile access from gcc 11 and beyond

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108298

--- Comment #4 from Segher Boessenkool <segher at gcc dot gnu.org> ---
But please use PR33053 for that, or open a new PR?  Let's keep this one
for just this actual bug :-)