From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   f2a4287d4902..17ce48f2b687  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 17ce48f2b687 [libc++] Remove __is_replaceable emulation (#167355)