From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   878d3594ed74..46628718c05a  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 46628718c05a [IR][PGO] Verify the structure of `VP` metadata. (#145584)