git-reflog infinite loop

In one of my repository, "git gc" will never terminate.

I have traced to the underlying call git-reflog:

    $ git-reflog expire --all

It seems to heat a good amount of heap memory and will keep running 
using 100% of CPU.

Is that a known issue?

Thanks,
Pascal.

-- 

--|------------------------------------------------------
--| Pascal Obry                           Team-Ada Member
--| 45, rue Gabriel Peri - 78114 Magny Les Hameaux FRANCE
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