[llvm] [ctx_prof] Fix `ProfileAnnotator::allTakenPathsExit` (PR #109183)

[Mircea Trofin via llvm-commits]

mtrofin wrote:

### Merge activity

* **Sep 19, 12:06 AM EDT**: @mtrofin started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/109183).


https://github.com/llvm/llvm-project/pull/109183