GNU bug report logs - #59029
Dumping Emacs crashes when buffers have overlays

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From: Eli Zaretskii <eliz <at> gnu.org>
To: Matt Armstrong <matt <at> rfc20.org>
Cc: 59029 <at> debbugs.gnu.org, monnier <at> iro.umontreal.ca
Subject: bug#59029: Dumping Emacs crashes when buffers have overlays
Date: Tue, 08 Nov 2022 18:59:29 +0200

> Cc: 59029 <at> debbugs.gnu.org
> From: Matt Armstrong <matt <at> rfc20.org>
> Date: Tue, 08 Nov 2022 07:59:45 -0800
> 
> a) Drop support for dumping overlays in buffers, as if
> `delete-all-overlays' were called for all buffers before dumping.  Fix
> involves relaxing the abort() calls to merely print warnings.
> 
> b) Restore support, and test it.

a) could be a short-term band-aid, but if we want ever to support
re-dumping, b) is a must.

> For (b) I'm not keen on wiring up a single-purpose test under test/*
> somewhere just to test pdumping with overlays.  How about hooking in to
> loadup.el to populate a dummy buffer with overlays before dumping?

For testing purposes, you could perhaps use eval-after-load to do
something after loading loadup.el?

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