[llvm] ThinLTO: Add flag to print uselistorder in bitcode writer pass (PR #133230)

[Matt Arsenault via llvm-commits]

arsenm wrote:

### Merge activity

* **Apr 14, 2:29 PM EDT**: A user started a stack merge that includes this pull request via [Graphite](https://app.graphite.dev/github/pr/llvm/llvm-project/133230).


https://github.com/llvm/llvm-project/pull/133230