[clang] Fix enum enumerator visibility loss when #include is between module imports (PR #188865)

[Avi Kivity via cfe-commits]

avikivity wrote:

I could feed your feedback to the AI, but then I just become a conduit between you. I don't mind doing that but I don't think it's effective. I just don't have sufficient understanding of the codebase.

https://github.com/llvm/llvm-project/pull/188865