[clang] [clang-tools-extra] Reapply "[Clang][Sema] Diagnose class member access expressions naming non-existent members of the current instantiation prior to instantiation in the absence of dependent base classes (#84050)" (PR #90152)

[via cfe-commits]

hiraditya wrote:

I believe this is breaking the buildbot https://lab.llvm.org/buildbot/#/builders/245/builds/23936 please confirm.

https://github.com/llvm/llvm-project/pull/90152