[clang] [LifetimeSafety] Add dtor for failing CFG-based tests (PR #177362)

[Utkarsh Saxena via cfe-commits]

usx95 wrote:

### Merge activity

* **Jan 22, 7:06 PM UTC**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.com/github/pr/llvm/llvm-project/177362).


https://github.com/llvm/llvm-project/pull/177362