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Re: C-g crash redux

From: Chong Yidong
Subject: Re: C-g crash redux
Date: Thu, 03 Aug 2006 00:16:24 -0400
User-agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (gnu/linux)

Nick Roberts <address@hidden> writes:

> Romain Francoise writes:
>  > I can crash Emacs reliably with current (Aug 2nd) sources by hitting C-g
>  > while it's preparing a partial-completion-mode prompt.  I just did it
>  > three times in a row.  The Lisp backtrace shows that it's indeed related
>  > to sit-for:
> Emacs can be made to crash simply by evaluating (sit-for 4) in the scratch
> buffer and typing C-g before four seconds elapse.

A strange observation: if you evaluate the sit-for defun, no crash
happens.  The byte-compiled version of sit-for, however, causes a
crash due to a SPECL_INDEX imbalance.

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