[Bug tree-optimization/124560] `min(z - y, x - y)` -> `min(z, x) - y`

[jeevitha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124560

--- Comment #4 from Jeevitha <jeevitha at gcc dot gnu.org> ---
Created attachment 64079
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=64079&action=edit
Proposed patch