[llvm] Extend the mismatch attr check to all MayBeDerefined function (PR #88035)

[David Goldblatt via llvm-commits]

https://github.com/davidtgoldblatt approved this pull request.

Looks good in general; 1 nit before merging: should be "redfined", not "derefined".

https://github.com/llvm/llvm-project/pull/88035