[Bug tree-optimization/101650] (len | N) == len is transformed to len & N != 0

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101650

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Just a quick note N needs to be a power of 2.