bug#36649: 27.0.50; pure space and pdumper

[Robert Pluim]

>>>>> On Thu, 04 Mar 2021 17:49:21 +0200, Eli Zaretskii <eliz@gnu.org> said:

    >> From: Robert Pluim <rpluim@gmail.com>
    >> Date: Thu, 04 Mar 2021 15:56:10 +0100
    >> Cc: eggert@cs.ucla.edu, Andreas Schwab <schwab@linux-m68k.org>,
    >> Stefan Kangas <stefankangas@gmail.com>, 36649@debbugs.gnu.org, 
larsi@gnus.org,
    >> Andrea Corallo <akrl@sdf.org>
    >> 
    >> I think Emacs already assumes Qnil == 0, since there are places that
    >> use ! to check for Qnil rather than using NILP.

    Eli> Those are bugs that need to be fixed.  Fast.

Hmm,

./configure --enable-check-lisp-object-type

for emacs-master and emacs-27 builds fine, so maybe Iʼm imagining things.

Robert
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