[Bug tree-optimization/126043] early phiopt should allow CMP, (cast)CMP, -(cast)CMP

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126043
Bug 126043 depends on bug 127654, which changed state.

Bug 127654 Summary: Neg/BIT_NOT should be factored out even with constants
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127654

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