[PATCH 4/5] Fix deadlock in _int_free consistency check

[Wilco Dijkstra]

Florian Weimer wrote:
>
> Anyway, should I make the one-character change removing the ! in the 
> meantime?  This is a real bug, and we should fix that even if the code 
> still isn't as pretty as it could be.

I could easily commit the current patch as is if you're thinking of backporting it.

Once we agree on what the best way of writing this sequence, I can
provide an updated patch.

Wilco