GNU bug report logs - #27585
segfault when evaluating a file containing only backticks

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Package: emacs;

Reported by: Steve Kemp <steve <at> steve.org.uk>

Date: Wed, 5 Jul 2017 06:29:02 UTC

Severity: minor

Done: Paul Eggert <eggert <at> cs.ucla.edu>

Bug is archived. No further changes may be made.

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Message #35 received at 27585 <at> debbugs.gnu.org (full text, mbox):

From: Andreas Schwab <schwab <at> suse.de>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: steve <at> steve.org.uk, 27585 <at> debbugs.gnu.org
Subject: Re: bug#27585: segfault when evaluating a file containing only
 backticks
Date: Thu, 06 Jul 2017 17:31:35 +0200

On Jul 06 2017, Eli Zaretskii <eliz <at> gnu.org> wrote:

>> From: Andreas Schwab <schwab <at> suse.de>
>> Cc: Steve Kemp <steve <at> steve.org.uk>,  27585 <at> debbugs.gnu.org
>> Date: Thu, 06 Jul 2017 08:46:14 +0200
>> 
>> On Jul 05 2017, Eli Zaretskii <eliz <at> gnu.org> wrote:
>> 
>> > You wrote a program that triggers infinite recursion.
>> 
>> This isn't infinite recursion since the input is finite.
>
> If we want to be pedantically accurate, then no "infinite" recursion
> is ever truly infinite, since it will always stop when the system is
> shut down, or the power fails, or the world ends, whichever happens
> first.

This is not a useful way to categorize infinite recursion.  In this
case, the recursion is always bounded by the size of the input.

Andreas.

-- 
Andreas Schwab, SUSE Labs, schwab <at> suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE  1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
This bug report was last modified 7 years and 298 days ago.

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