From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   98dc5c68a767..e646fa6c1ceb  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 e646fa6c1ceb [Allocator] Drop the fast-path null check via a sentinel End (#205485)