From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   ec9aa4ac2f5a..aa990069cf4d  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 aa990069cf4d Simplify MSVC compatible compiler detection. (#122914)