From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   ffc6877d0294..5e47ef456a78  main       -> origin/main
Switched to branch 'main'
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HEAD is now at 5e47ef456a78 [LifetimeSafety] Reapply liveness propagation and fix loop liveness leakage  (#205740)