From github.com:llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   9f627cf540e9..3f07af93dc01  main       -> origin/main
Switched to branch 'main'
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  (use "git pull" to update your local branch)
HEAD is now at 3f07af93dc01 [AST] Migrate away from PointerUnion::dyn_cast (NFC) (#123283)