[clang] [clang-tools-extra] [lldb] Reland: [clang] preserve class type sugar when taking pointer to member (PR #132401)

[Matheus Izvekov via cfe-commits]

mizvekov wrote:

> > @alexfh should be fixed by #133613
> 
> 
> 
> Thank you! The crash is resolved. Do you still need a reduced test case?

No worries, the tests included in PR already reproduce it.

https://github.com/llvm/llvm-project/pull/132401