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bug#62009: 29.0.60; Emacs crashes on setf symbol-name
From: |
Robert Pluim |
Subject: |
bug#62009: 29.0.60; Emacs crashes on setf symbol-name |
Date: |
Fri, 10 Mar 2023 14:19:03 +0100 |
>>>>> On Fri, 10 Mar 2023 14:12:25 +0200, Eli Zaretskii <eliz@gnu.org> said:
>> From: Robert Pluim <rpluim@gmail.com>
>> Cc: Gregory Heytings <gregory@heytings.org>, Philip Kaludercic
>> <philipk@posteo.net>, michael_heerdegen@web.de,
>> monnier@iro.umontreal.ca, 62009@debbugs.gnu.org, Eli Zaretskii
>> <eliz@gnu.org>, Augusto Stoffel <arstoffel@gmail.com>
>> Date: Fri, 10 Mar 2023 12:30:48 +0100
>>
>> diff --git a/src/lisp.h b/src/lisp.h
>> index 1276285e2f2..80bbb047824 100644
>> --- a/src/lisp.h
>> +++ b/src/lisp.h
>> @@ -1685,6 +1685,8 @@ SREF (Lisp_Object string, ptrdiff_t index)
>> INLINE void
>> SSET (Lisp_Object string, ptrdiff_t index, unsigned char new)
>> {
>> + if (XSTRING (string)->u.s.size_byte == -2)
>> + Fsignal (Qsetting_constant, string);
Eli> "Setting constant" is misleading.
True. I was lazy and picked the first one I found.
Eli> And again, why do that at all? It's a waste of cycles, incurred on
Eli> _everyone_, for an extremely rare use case that is explicitly
Eli> discouraged. We are not the TSA, and should not adopt their policy of
Eli> punishing the innocent 99.99% on behalf of a handful of villains.
I wasnʼt seriously proposing it for inclusion, just pointing out that
it was possible.
Robert
--
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, (continued)
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Robert Pluim, 2023/03/10
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Daniel Mendler, 2023/03/10
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Eli Zaretskii, 2023/03/10
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Daniel Mendler, 2023/03/10
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Dmitry Gutov, 2023/03/10
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Gregory Heytings, 2023/03/10
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Eli Zaretskii, 2023/03/10
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name,
Robert Pluim <=
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Po Lu, 2023/03/11
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Robert Pluim, 2023/03/13
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Po Lu, 2023/03/13
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Eli Zaretskii, 2023/03/13
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Po Lu, 2023/03/13
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Eli Zaretskii, 2023/03/13
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Eli Zaretskii, 2023/03/10
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Eli Zaretskii, 2023/03/10
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Gregory Heytings, 2023/03/10
- bug#62009: 29.0.60; Emacs crashes on setf symbol-name, Po Lu, 2023/03/11