[Bug tree-optimization/93131] ((a&8) == 8) && ((a&2) == 2) is not optimized to (a&(8|2)) == (8|2)

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93131

--- Comment #16 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So combineif should be mostly in reassoc then? That is definitely gcc 11
material.  I have to think of how that would work.