From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   683e2bf059a6..03d26db8c772  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 03d26db8c772 [ADT] Document C++20 migration path for llvm::is_detected (#164363)