[clang] [LifetimeSafety] Propagate origins through explicit cast expressions (PR #192180)

[Utkarsh Saxena via cfe-commits]

usx95 wrote:

### Merge activity

* **Apr 15, 1:51 PM UTC**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.com/github/pr/llvm/llvm-project/192180).


https://github.com/llvm/llvm-project/pull/192180