Re: [feature/igc3] weak hash table lookup can return a finalized (PVEC_FREE) object

On Fri, Aug 28 2026, [email protected] wrote:

> Hi. This is about an immediate crash upon startup with igc3 and doom emacs.
>
> What follows is a LLM-produced report and attached a suggested
> fix that has been working stable for a few weeks now.
>
> I can reproduce reliably and retrieve more debug information if needed.
> Given the report and fix size I hope this is helpful.

Thanks.  I can also reproduce this.  This problem may be related to the
problem that the fns-tests-weak-equal-table test is supposed to show.

When configured with --enable-igc-ephemeron-pool=yes, the example
doesn't crash.  I think it's time to enable the ephemeron pool by
default.

Helmut