[llvm] [CodeGen] Use TargetLowering for TypeInfo of PointerTy (PR #93469)

[Pete Steinfeld via llvm-commits]

psteinfeld wrote:

> Hi @psteinfeld thank you for that feedback. Should this test case be added to the repository somewhere (and if so, should that be another PR)?

I'm not sure.  I thought you might need a test case in C for this current PR.

https://github.com/llvm/llvm-project/pull/93469