From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   1aacdfe47327..3168192de567  main       -> origin/main
Your branch is behind 'origin/main' by 2 commits, and can be fast-forwarded.
  (use "git pull" to update your local branch)
Switched to branch 'main'
HEAD is now at 3168192de567 [ObjC]: Make type encoding safe in symbol names (#77797)