From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   efd472c88d7b..5e6316796522  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 5e6316796522 [libc] Refactor static polymorphism in WriteBuffer (NFC). (#169089)