[Bug tree-optimization/101610] CST - (x ^ (CST-1)) can be optimized to x + 1 if x < CST and CST is a power of 2

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101610

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I noticed this while looking into PR 78103.