[clang] [Clang][Sema] Fix missing warning when comparing mismatched enums in … (PR #81418)

[Erich Keane via cfe-commits]

erichkeane wrote:

> @stbergmann is right. @erichkeane How should I proceed? Should I open a revert PR? Or should I open a separate issue?

For now, unless someone insists, I think we're likely fine to do a follow-up PR to fix that.  Make sure to put the same reviewers on, and we'll see if we can review this quickly.



https://github.com/llvm/llvm-project/pull/81418