From https://github.com/llvm/llvm-project
 * branch                      main       -> FETCH_HEAD
   bcb3d2f51222..2286118e6f2c  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'
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  (use "git pull" to update your local branch)
HEAD is now at 2286118e6f2c [SPIRV] Enable `bfloat16` arithmetic (#166031)