[llvm] [UTC] Record TBAA semantics when autogenerating check lines (PR #147670)

[Antonio Frighetto via llvm-commits]

antoniofrighetto wrote:

Hit an assert in a few tests that are using the `new-struct-path-tbaa` option, while testing locally. Relaxed the assert and left a TODO for now, as I couldn't find description of the new TBAA format in the LangRef, and I'm not sure if adoption to the new format is still an open work.

https://github.com/llvm/llvm-project/pull/147670