[Bug tree-optimization/95929] Failure to optimize tautological comparisons of comparisons to a single one

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95929

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
/* -bool is always bool, likewise for abs and absu. */
(for op (negate abs absu)
 (simplify
  (op @0)
  (if (INTEGER_TYPE_P (type) && TYPE_PRECISION (type) == 1)
   (non_lvalue @0))))