[clang] [llvm] [Clang][IR] add TBAA metadata on pointer, union and array types. (PR #75177)

[Bushev Dmitry via cfe-commits]

dybv-sc wrote:

I made separate PR for llvm's part: https://github.com/llvm/llvm-project/pull/76356
It should me merged first, because clang's part depends on it.

https://github.com/llvm/llvm-project/pull/75177