Subject: bug#53058: etc/DEBUG could say more about --enable-check-lisp-object-type

From: Eli Zaretskii <[email-masked]>
Date: Thu, 06 Jan 2022 22:11:15 +0200

> From: Sean Whitton <[email-masked]>
> Date: Thu, 06 Jan 2022 11:20:19 -0700
> 
> > Comparisons with structures, like foo == Qnil, aren't guaranteed to
> > work in GDB.  --enable-check-lisp-object-type makes Lisp objects be
> > structures rather than simple scalar values.
> 
> Thanks -- how about the attached?

Thanks, but the text there is inaccurate: NILP should still work with
structures, only == comparison probably won't.

I'm actually not sure we should describe such subtleties in etc/DEBUG.