[llvm] [InstCombine] Fold Xor with or disjoint (PR #105992)

[Amr Hesham via llvm-commits]

AmrDeveloper wrote:

> > Fixes: #79266
> 
> Fixes -> "Related to" or something? I don't think this PR fixes that issue as-is.

Yes we changed the case, i will remove issue mention and describe the current fix

Thank you

https://github.com/llvm/llvm-project/pull/105992