From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   9cc094bec938..2c8b653b7a9c  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 2c8b653b7a9c [CIR] Accept unions in x86_64 calling-convention lowering (#214129)