[Bug tree-optimization/125399] Missed optimization of __builtin_bitreverse*() when comparing to 0

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=125399

--- Comment #2 from Drea Pinski <pinskia at gcc dot gnu.org> ---
Which was added with r17-551-g18d08c0e6115e6 .