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From: | Chong Yidong |
Subject: | bug#9401: 24.0.50; Crash during fontification |
Date: | Tue, 30 Aug 2011 18:45:34 -0400 |
User-agent: | Gnus/5.13 (Gnus v5.13) Emacs/24.0.50 (gnu/linux) |
Chong Yidong <cyd@stupidchicken.com> writes: > I can trigger this crash about 50 percent of the time by doing > > emacs -q trunk/src/buffer.h > C-s defvar > > Emacs then crashes with a segfault. > > The problem involves a call to scan_sexps_forward (frame#4) with > from_byte larger than the byte size of the buffer. I've found the bug, and committed a fix. It was a problem with find_defun_start not updating its cache variables consistently. (Is that optimization really necessary? I guess we can re-examine it some other time.)
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