From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   a2ca2f3f1000..076397ff3217  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 076397ff3217 Revert "[Clang] [NFC] Introduce a helper for emitting compatibility diagnostics" (#134036)