[clang] [LifetimeSafety] Suggest lifetime annotations (PR #169767)

[Utkarsh Saxena via cfe-commits]

usx95 wrote:

### Merge activity

* **Dec 5, 9:36 AM UTC**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.com/github/pr/llvm/llvm-project/169767).


https://github.com/llvm/llvm-project/pull/169767