From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   2a74f30cc20e..6b4cdb036471  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 6b4cdb036471 Revert "[gn] port 40fcd2517a110 (#193293)" (#193860)