[Bug middle-end/122213] {CEIL, ROUND}_DIV_EXPR produces wrong results when constant operand is 2 or power of 2 with O2 flag

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122213

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I am not even sure this have ever been used or tested.