From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   e2a9a93309a0..777d2ba4ce6e  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 777d2ba4ce6e [clang] Migrate away from PointerUnion::dyn_cast (NFC) (#228673)