[clang] [clang]: reflection operator parsing for global namespace and primitive types (PR #164692)

[Erich Keane via cfe-commits]

erichkeane wrote:

Can you fill in the description for this?  That very much needs to be filled in, with context/strategy/etc.  Also, did you implement this yourself, or is this an attempt to get Dan's implementation merged?

https://github.com/llvm/llvm-project/pull/164692