From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   559e8131ec6a..340d3bb45dd5  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 340d3bb45dd5 [FileCheck] Create test to highlight the "more than 9 back-references" issue. (#173501)