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Re: Can't set conditional break point using AREF/NILP
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From: |
Eli Zaretskii |
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Subject: |
Re: Can't set conditional break point using AREF/NILP |
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Date: |
Wed, 05 Jan 2022 14:11:32 +0200 |
> From: Sean Whitton <spwhitton@spwhitton.name>
> Cc: emacs-devel@gnu.org
> Date: Tue, 04 Jan 2022 14:57:32 -0700
>
> When you asked me to remove --enable-check-lisp-object-type, was that
> purely for debugging purposes, or is using the macros in break point
> conditions with that switch on expected not to work? If the latter, I'd
> like to document it in etc/DEBUG.
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.