[clang] [TBAA] Extend pointer TBAA to pointers of non-builtin types. (PR #110569)

[Florian Hahn via cfe-commits]

fhahn wrote:

I think the initial version didn't correctly account for unnamed structs in C, for which the compatible types rule applies. Put up a fix: https://github.com/llvm/llvm-project/pull/116596

https://github.com/llvm/llvm-project/pull/110569