Subject: bug#18438: 24.4.50; assertion failed in bidi.c

From: [email-masked]
Date: Wed, 22 Oct 2014 17:16:36 +1300

Another full backtrace (of all threads).

alloc.c:2830: Emacs fatal error: assertion failed: VBLOCK_BYTES_MIN <= 
nbytes && nbytes <= VBLOCK_BYTES_MAX