bug#42013: 26.3; hash tables are not garbage collected

[Lars Ingebrigtsen]

Hendrik Tews <hendrik.tews@kernkonzept.com> writes:

> It is not really clear what you executed to obtain the negative
> number. I am assuming you executed all the let expressions in
> your reply in sequence.

Yes.  Sometimes it's -1 and sometimes it's 0, apparently.

> To me, the most obvious explanation for the negative number would
> be that garbage-collect does not always perform a full garbage
> collection, therefore the last garbage-collect by chance finally
> performs a full collection and collects one vector that has
> survived the other garbage collections...

Well, or that gc itself allocates some vectors sometimes.

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