From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   1d1f2e8c5be3..34f4ee7c0d98  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 34f4ee7c0d98 [C++20] [Modules] Merge codes to decide if we should generate decl