From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   ac12b327b2cf..227edfb2f406  main       -> origin/main
Switched to branch 'main'
Your branch is behind 'origin/main' by 2 commits, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 227edfb2f406 [CodeGenPrepare][NFC] Reland: Update the dominator tree instead of rebuilding it (#179040)