From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   d642eec78fc9..8c7f0eaa6ee3  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 8c7f0eaa6ee3 Reduce memory usage in AST parent map generation by lazily checking if nodes have been seen (#129934)