[clang] [TBAA] Emit distinct TBAA tags for pointers with different depths,types. (PR #76612)

[Florian Hahn via cfe-commits]

fhahn wrote:

Move this over from Phabricator, see https://reviews.llvm.org/D122573 http://108.170.204.19/D122573 for context.

Type sanitizer patches have been moved to GH as well: #76259, #76260, #76261

https://discourse.llvm.org/t/reviving-typesanitizer-a-sanitizer-to-catch-type-based-aliasing-violations/66092/

https://github.com/llvm/llvm-project/pull/76612