[Bug c/117425] Miscompile with different optimization flags

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117425

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
A good resource for sequence points is https://c-faq.com/expr/seqpoints.html .