From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   556dd019eb7f..5e7f7a496ccb  main       -> origin/main
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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'
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  (use "git pull" to update your local branch)
HEAD is now at 5e7f7a496ccb ARM: Add fp128 ldexp tests (#166619)