[clang] Nameof operator (PR #104777)

[Vlad Serebrennikov via cfe-commits]

Endilll wrote:

I think this is a language extensions that requires an RFC on https://discource.llvm.org first.
See https://clang.llvm.org/get_involved.html for details.

https://github.com/llvm/llvm-project/pull/104777