bug#16691: 24.3.50; emacs_backtrace.txt

[Eli Zaretskii]

merge 16660 16691
thanks

> From: Juanma Barranquero <lekktu@gmail.com>
> Date: Sat, 8 Feb 2014 20:22:20 +0100
> Cc: 16691@debbugs.gnu.org
> 
> w32_backtrace at w32fns.c:8431
> emacs_abort at w32fns.c:8463
> terminate_due_to_signal at emacs.c:378
> die at alloc.c:6761
> row_equal_p at dispnew.c:1170
> scrolling_window at dispnew.c:4129

This is a duplicate of 16660.

Since this started happening only lately, Martin, could you please see
if some of your changes could possibly disrupt the glyph row's hash
values?