[llvm] [TySan] Add initial Type Sanitizer (LLVM) (PR #76259)

[Vitaly Buka via llvm-commits]

vitalybuka wrote:

> also, is there a reason to have both a module and a function pass instead of just a module pass?

This part is addressed here https://github.com/llvm/llvm-project/pull/120667

https://github.com/llvm/llvm-project/pull/76259