[Bug tree-optimization/124545] VN nary lookup trick for converted plus/minus lacks inverse trick

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124545

--- Comment #8 from ptomsich at gcc dot gnu.org ---
This originated from PR109393 originally.
Do you want us to backport?