From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   7624c6141974..a5b5248b7f2a  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 a5b5248b7f2a [libc++] Simplify std::function implementation further (#145153)