[Bug tree-optimization/91882] boolean XOR tautology missed optimisation

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91882
Bug 91882 depends on bug 103356, which changed state.

Bug 103356 Summary: bool0 == ~bool1 should simplify to bool1 ^ bool0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103356

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED