https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127783
--- Comment #4 from Drea Pinski <pinskia at gcc dot gnu.org> --- https://gcc.gnu.org/cgit/gcc/commit/?id=ad6087410356999730cbe9680ada3077f4afcf76 Has one such pattern. (simplify (mult @0 integer_zerop@1) @1) Is another one. (match (maybe_cmp @0) (tcc_comparison@0 @1 @2)) Is another use case.
