bug#13140: 24.3.50; emacs_backtrace.txt

[Eli Zaretskii]

> From: "Drew Adams" <drew.adams@oracle.com>
> Date: Tue, 11 Dec 2012 07:49:33 -0800
> 
> BTW, ever since the introduction of the emacs_backtrace.txt files, when I get 
> a
> crash now I get TWO fatal-error dialog boxes, not one.  One is on top of the
> other (staggered slightly), and interacting with the top one (I click No)
> removes both of them and ends Emacs (closes all frames).

This means Emacs gets a second fatal error while processing the first
one.