From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   02804501af9c..1818b23a99ad  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 1818b23a99ad [SDAG] Check for `nsz` in DAG.canIgnoreSignBitOfZero() (#178905)