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From: Eli Zaretskii <eliz@gnu.org>
To: Sean Whitton <spwhitton@spwhitton.name>
Cc: emacs-devel@gnu.org
Subject: Re: Can't set conditional break point using AREF/NILP
Date: Wed, 05 Jan 2022 14:11:32 +0200	[thread overview]
Message-ID: <83v8yy9ybv.fsf@gnu.org> (raw)
In-Reply-To: <87v8yzb1v7.fsf@melete.silentflame.com> (message from Sean Whitton on Tue, 04 Jan 2022 14:57:32 -0700)

> 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.



      reply	other threads:[~2022-01-05 12:11 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <87zgoi8xve.fsf@melete.silentflame.com>
     [not found] ` <83r19uim2q.fsf@gnu.org>
     [not found]   ` <871r1uyq1i.fsf@athena.silentflame.com>
     [not found]     ` <8335mahr8f.fsf@gnu.org>
     [not found]       ` <87v8z4mh5g.fsf@melete.silentflame.com>
     [not found]         ` <83v8z4eygg.fsf@gnu.org>
2022-01-01 21:49           ` Can't set conditional break point using AREF/NILP Sean Whitton
2022-01-02  6:42             ` Eli Zaretskii
2022-01-02 22:38               ` Sean Whitton
2022-01-03 12:28                 ` Eli Zaretskii
2022-01-04 21:57                   ` Sean Whitton
2022-01-05 12:11                     ` Eli Zaretskii [this message]

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