From: Stefan Monnier <monnier@iro.umontreal.ca>
To: dancol@dancol.org
Cc: niwtrx@icloud.com, Paul Eggert <eggert@cs.ucla.edu>,
emacs-devel@gnu.org, 38912@debbugs.gnu.org,
Pip Cet <pipcet@gmail.com>
Subject: bug#38912: 27.0.60; PDumper meets segmentation fault when evil is loaded
Date: Tue, 07 Jan 2020 09:16:31 -0500 [thread overview]
Message-ID: <jwvv9pnz76y.fsf-monnier+emacs__20533.9693160326$1578409492$gmane$org@gnu.org> (raw)
In-Reply-To: <f8866ddf-66d2-4406-92a8-15f11554e270@email.android.com> (dancol@dancol.org's message of "Mon, 06 Jan 2020 19:34:06 -0800")
> The worst case is window configurations, where there's a nontrivial
> function compare_window_configurations that Fequal delegates to.
Indeed, this is very strange.
> Does anyone know offhand why we don't simply use eq to compare window
> configurations?
I'm curious about it too. As a long-time Elisp coder, I find this
behavior very odd (I just discovered it while looking at the code)
and I think having them compared by identity would make a lot more sense.
> I think changing the equal behavior of these objects would be
> a compatibility change.
Indeed. It's clearly out of the question for Emacs-27. But I'd be in
favor of introducing this backward incompatibility in Emacs-28, unless
we can find a good use case where the structural-equality is needed
for them.
Stefan
next prev parent reply other threads:[~2020-01-07 14:16 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-04 1:49 bug#38912: 27.0.60; PDumper meets segmentation fault when evil is loaded NiwTinray via Bug reports for GNU Emacs, the Swiss army knife of text editors
2020-01-04 9:17 ` Eli Zaretskii
[not found] ` <D1473DD8-48F8-4204-80B5-BE6396B8B668@icloud.com>
2020-01-05 18:45 ` Eli Zaretskii
2020-01-06 15:51 ` Pip Cet
2020-01-06 16:34 ` Eli Zaretskii
2020-01-06 16:38 ` Pip Cet
2020-01-06 17:20 ` Eli Zaretskii
2020-01-06 17:01 ` Daniel Colascione
2020-01-06 17:13 ` Pip Cet
2020-01-06 17:25 ` Eli Zaretskii
[not found] ` <CAOqdjBfekLB8ZaDOA3Zys5u83KkSQnb51ZcM0FVSXrcv9ZDeBQ@mail.gmail.com>
2020-01-06 17:30 ` Eli Zaretskii
2020-01-06 18:13 ` Stefan Monnier
2020-01-06 18:19 ` Noam Postavsky
2020-01-06 18:29 ` Eli Zaretskii
2020-01-07 19:31 ` Pip Cet
2020-01-07 20:03 ` Stefan Monnier
2020-01-07 2:38 ` Paul Eggert
2020-01-07 3:34 ` dancol
2020-01-07 14:16 ` Stefan Monnier [this message]
[not found] ` <jwvv9pnz76y.fsf-monnier+emacs@gnu.org>
2020-01-07 19:32 ` Paul Eggert
2020-01-07 15:47 ` Eli Zaretskii
2020-01-07 17:37 ` Stefan Monnier
[not found] ` <jwv8smjxj7d.fsf-monnier+emacs@gnu.org>
2020-01-07 17:43 ` Eli Zaretskii
[not found] ` <8336crcgd0.fsf@gnu.org>
2020-01-07 18:01 ` Stefan Monnier
[not found] ` <jwvwoa3w3lb.fsf-monnier+emacs@gnu.org>
2020-01-07 18:11 ` Eli Zaretskii
2020-01-07 18:47 ` Stefan Monnier
2020-01-07 18:29 ` martin rudalics
[not found] ` <1e33c53e-f6ae-a3bf-6ce0-5c1894cb9b35@gmx.at>
2020-01-07 18:43 ` Stefan Monnier
[not found] ` <jwvftgrw1k1.fsf-monnier+emacs@gnu.org>
2020-01-07 18:58 ` martin rudalics
2020-01-07 23:43 ` Richard Stallman
2020-01-06 17:10 ` Daniel Colascione
2020-03-05 7:14 ` Eli Zaretskii
2020-03-09 2:15 ` Daniel Colascione
2020-03-09 3:26 ` Eli Zaretskii
2021-06-24 16:30 ` bug#32503: 26.1; Byte-compiled functions don't hash consistently Lars Ingebrigtsen
2022-04-28 11:41 ` bug#38912: 27.0.60; PDumper meets segmentation fault when evil is loaded Lars Ingebrigtsen
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