From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   1c1310d02231..420437e33fbd  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 420437e33fbd [flang] Emit warnings, not errors, for bad subscripts in dead code (#174040)