From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   1ba2f4952945..65b9e060403f  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 65b9e060403f [ConstraintSystem] Build constraint rows in sparse form (NFC). (#215735)