[clang] [Clang] Fixed UnresolvedLookupExpr propagating into the codegen phase (PR #124609)

[Erich Keane via cfe-commits]

erichkeane wrote:

> Hi @erichkeane Is this resolution still not good enough? I should probably close the PR if thats the case.

I apparently didn't see your last change since your last comment.  Looking now.

https://github.com/llvm/llvm-project/pull/124609