[clang] [clang][Sema] Don't issue -Wcast-function-type-mismatch for enums with a matching underlying type (PR #87793)

[Aaron Ballman via cfe-commits]

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

Sorry for the delayed review, this fell off my radar. No release note needed because this is fixing an issue introduced in this release. LGTM with a small testing request.

https://github.com/llvm/llvm-project/pull/87793