From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   9f6b7b4e5f79..1c87e4739f48  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 1c87e4739f48 [AST] Avoid repeated map lookups (NFC) (#127369)