GNU bug report logs - #2844
infinite loop in boyer_moore()

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Package: emacs;

Reported by: Alexandre Oliva <oliva <at> gnu.org>

Date: Wed, 1 Apr 2009 20:15:03 UTC

Severity: serious

Done: Chong Yidong <cyd <at> stupidchicken.com>

Bug is archived. No further changes may be made.

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From: Andreas Schwab <schwab <at> linux-m68k.org>
To: Alexandre Oliva <oliva <at> gnu.org>
Cc: 2844 <at> debbugs.gnu.org, bug-gnu-emacs <at> gnu.org
Subject: bug#2844: infinite loop in boyer_moore()
Date: Thu, 02 Apr 2009 09:49:54 +0200

Alexandre Oliva <oliva <at> gnu.org> writes:

> I suppose checking that
>
>   (EMACS_INT)(cursor + 20000) > (EMACS_INT)(cursor)
>
> would also be necessary before choosing the EMACS_INT variant of the loop.

That wouldn't help, the compiler will optimize that to true.

Andreas.

-- 
Andreas Schwab, schwab <at> linux-m68k.org
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This bug report was last modified 16 years and 36 days ago.

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