From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   a0e222f7c7bc..21c1b7845b05  main       -> origin/main
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See "git help gc" for manual housekeeping.
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log
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warning: There are too many unreachable loose objects; run 'git prune' to remove them.

Switched to branch 'main'
Your branch is behind 'origin/main' by 1 commit, and can be fast-forwarded.
  (use "git pull" to update your local branch)
HEAD is now at 21c1b7845b05 fix: C++ empty record with align lead to va_list out of sync (#72197)