From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   309ae98474b6..21f2cf952ccc  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 21f2cf952ccc Reland "[mlir][SPIR-V] Verify NonPrivatePointer requirement for MakePointer{Available,Visible}" (#213621) (#225499)