[llvm] CloneFunction: Do not delete blocks with address taken (PR #134209)

[Matt Arsenault via llvm-commits]

arsenm wrote:

### Merge activity

* **Apr 3, 12:51 PM EDT**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/134209).


https://github.com/llvm/llvm-project/pull/134209