[clang] [Clang] Fix 'counted_by' for nested struct pointers (PR #110497)

[Jan Hendrik Farr via cfe-commits]

Cydox wrote:

Alright I think I'm getting what you mean with skipping over the LValueToRValue cast. I'll try to put a better fix together...

https://github.com/llvm/llvm-project/pull/110497