https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55177 Bug 55177 depends on bug 103228, which changed state.
Bug 103228 Summary: [9/10/11/12 Regression] missed optimization with |^ at the gimple level https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103228 What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED