[Bug rtl-optimization/128119] [17 Regression] volatile and atomic loads removed at -O2 on x86_64 since r17-4656

[roger at nextmovesoftware dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128119

--- Comment #5 from Roger Sayle <roger at nextmovesoftware dot com> ---
Doh!  I completely agree my patch had a typo, and should read !side_effects
(op0).
Sorry for the inconvenience.