bug#38912: 27.0.60; PDumper meets segmentation fault when evil is loaded

[Eli Zaretskii]

> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Tue, 07 Jan 2020 13:01:17 -0500
> Cc: niwtrx@icloud.com, eggert@cs.ucla.edu, emacs-devel@gnu.org,
>  38912@debbugs.gnu.org, pipcet@gmail.com, dancol@dancol.org
> 
> I actually *expected* that `equal` on window configs would behave like
> `eq`.  It would have never occurred to me (before I looked at the code)
> that it could be different (although in retrospect, I can see reasons
> why it could make sense).

Since we have a dedicated comparison function there, why is it
important what eq and equal do with these objects?