[Bug tree-optimization/122734] [15/16 Regression] ch gets confused with some extra if (a) __builtin_unreachable

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122734

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
r15-5361-gaac5c57ee16723