[clang] [Lifetime Safety] Cross-TU Vs Intra-TU Annotation Suggestions (PR #171972)

[Kashika Akhouri via cfe-commits]

kashika0112 wrote:

> LGTM. Please also update the PR title and description.
> 
> Also mention that the primary purpose of this change is to differentiate between suggestions which can be replaced by inference and other cross-tu suggestions where inference is not sufficient to replace the need of explicit annotations.

Thank you, have updated the PR title and description to reflect the same.

https://github.com/llvm/llvm-project/pull/171972