GNU bug report logs - #41817
28.0.50; defconst lacks a safety net

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Package: emacs;

Reported by: Stephen Berman <stephen.berman <at> gmx.net>

Date: Thu, 11 Jun 2020 21:11:02 UTC

Severity: normal

Found in version 28.0.50

Done: Eli Zaretskii <eliz <at> gnu.org>

Bug is archived. No further changes may be made.

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Message #10 received at 41817-done <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Stephen Berman <stephen.berman <at> gmx.net>
Cc: 41817-done <at> debbugs.gnu.org
Subject: Re: bug#41817: 28.0.50; defconst lacks a safety net
Date: Sat, 20 Jun 2020 11:07:15 +0300

> From: Stephen Berman <stephen.berman <at> gmx.net>
> Date: Thu, 11 Jun 2020 23:10:07 +0200
> 
> 0. emacs -Q
> 1. In *scratch* type: (defvar 'bla "bla") C-j
> => Debugger entered--Lisp error: (wrong-type-argument symbolp 'bla)
> 2. In *scratch* type: (defconst 'bla "bla") C-j
> => 🤯
> Thread 1 "emacs" received signal SIGSEGV, Segmentation fault.
> Finternal__define_uninitialized_variable (symbol=symbol <at> entry=0x14ee4f3, 
>     doc=0x0) at /home/steve/src/emacs/emacs-master/src/lisp.h:1010
> 
> diff --git a/src/eval.c b/src/eval.c
> index 959adea646..171d0644cc 100644
> --- a/src/eval.c
> +++ b/src/eval.c

Thanks, installed on the emacs-27 branch.
This bug report was last modified 5 years and 7 days ago.

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