From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   c576c6b41f57..704240125ddf  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 704240125ddf [PowerPC][NFC] Add new mtpidr alias introduced in ISA3.0 (#163989)