[Bug middle-end/123286] SAT_ADD is not constant folded at the gimple level

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123286

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I Will also handle SAT_ADD(a,0)/SAT_ADD(0,a) too.