[Bug tree-optimization/109960] [10/11/12/13/14 Regression] missing combining of `(a&1) != 0 || (a&2)!=0` into `(a&3)!=0`

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109960

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
We could have a pattern that does:

`(a & CST) != 0 ? 1: (bool)a` -> `a & (CST|1) != 0` to fix this I think.