From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   adb9ef035552..fc433089e353  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 3 commits, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at fc433089e353 [Serialization] Migrate away from PointerUnion::dyn_cast (NFC) (#124884) (#125024)