From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   9b8addffa70c..8663c306e9b0  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 8663c306e9b0 [X86] Cleanup uses of "(BW-1) - LOG2(C)" --> "CLZ(C)" instead. NFC. (#174167)