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From: Eli Zaretskii <eliz@gnu.org>
To: Sean Whitton <spwhitton@spwhitton.name>
Cc: 53058@debbugs.gnu.org
Subject: bug#53058: etc/DEBUG could say more about --enable-check-lisp-object-type
Date: Fri, 07 Jan 2022 08:58:40 +0200	[thread overview]
Message-ID: <835yqw6nhb.fsf@gnu.org> (raw)
In-Reply-To: <87v8ywbf73.fsf@melete.silentflame.com> (message from Sean Whitton on Thu, 06 Jan 2022 16:46:24 -0700)

> From: Sean Whitton <spwhitton@spwhitton.name>
> Cc: 53058@debbugs.gnu.org
> Date: Thu, 06 Jan 2022 16:46:24 -0700
> 
> Hello,
> 
> On Thu 06 Jan 2022 at 10:11PM +02, Eli Zaretskii wrote:
> 
> >> From: Sean Whitton <spwhitton@spwhitton.name>
> >> 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.
> 
> Fair -- what do you think about just saying that certain gdb features
> might not work, so one thing that you can try is to drop the flag?  The
> claim that it doesn't affect debugging at all is what threw me off
> recently, so that's the thing I'd really like to improve, I guess.

But it really doesn't affect the debugging.  You just need to
understand what it does, and if we describe this in etc/DEBUG, we'd
need to describe gobs of other similar factoids about the various
build options.





  reply	other threads:[~2022-01-07  6:58 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-30  5:28 bug#52888: 29.0.50; font_{delete_unmatched,score} do not handle nil FONT_WEIGHT_INDEX Sean Whitton
2021-12-30  7:33 ` Eli Zaretskii
2021-12-30 17:13   ` Sean Whitton
2021-12-30 18:39     ` Eli Zaretskii
2022-01-01  0:30       ` Sean Whitton
2022-01-01  2:35         ` Sean Whitton
2022-01-01  7:15           ` Eli Zaretskii
2022-01-01 22:31             ` Sean Whitton
2022-01-03  2:04               ` Sean Whitton
2022-01-05  2:10             ` Sean Whitton
2022-01-05 12:37               ` Eli Zaretskii
2022-01-05 13:55                 ` Robert Pluim
2022-01-05 14:08                   ` Eli Zaretskii
2022-01-06  5:41                 ` Sean Whitton
2022-01-06 12:29                   ` Eli Zaretskii
2022-01-06 18:10                     ` Sean Whitton
2022-01-12 14:56                       ` Eli Zaretskii
2022-01-12 21:41                         ` Sean Whitton
2022-01-13  6:52                           ` Eli Zaretskii
2022-01-01  6:56         ` Eli Zaretskii
     [not found]           ` <87pmpbm8j2.fsf@melete.silentflame.com>
     [not found]             ` <83v8z2eizk.fsf@gnu.org>
     [not found]               ` <87pmp9wyo3.fsf@melete.silentflame.com>
     [not found]                 ` <83r19pc8ax.fsf@gnu.org>
     [not found]                   ` <87v8yzb1v7.fsf@melete.silentflame.com>
     [not found]                     ` <83v8yy9ybv.fsf@gnu.org>
2022-01-06 18:20                       ` bug#53058: etc/DEBUG could say more about --enable-check-lisp-object-type Sean Whitton
2022-01-06 20:11                         ` Eli Zaretskii
2022-01-06 23:46                           ` Sean Whitton
2022-01-07  6:58                             ` Eli Zaretskii [this message]
2022-01-07 20:41                               ` Sean Whitton
2022-01-08  6:55                                 ` Eli Zaretskii
2022-02-03  0:19                                   ` Sean Whitton
2022-02-03  7:28                                     ` Eli Zaretskii
2022-01-13 11:54 ` bug#52888: André Silva
2022-01-13 16:40   ` bug#52888: Eli Zaretskii
     [not found]     ` <CANfyKeBjec0z2c33Fph1=ESr-4ACH0BNKXq_wW-Vtr6sEfJ_VA@mail.gmail.com>
2022-01-13 18:13       ` bug#52888: Eli Zaretskii
     [not found]         ` <CANfyKeD2-sP4tO0dH0rbjbyD+rR+ahiDgBn+Pnx89EG1iKqiYg@mail.gmail.com>
2022-01-13 19:49           ` bug#52888: Eli Zaretskii

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