[clang] Adds a pseudonym to clang"s windows mangler... (PR #97792)

[Andrey Ali Khan Bolshakov via cfe-commits]

bolshakov-a wrote:

LGTM, but I don't have the commit access, hence cannot merge your PR. Someone closely related to the community should take a look.

https://github.com/llvm/llvm-project/pull/97792