From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   183168aa5035..2d84862fb3f4  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 2d84862fb3f4 [CodeGenPrepare] Drop nuw on gep unmerging if the new index is negative (#193488)