bug#16509: Assertion failure when using non-existent font

[Eli Zaretskii]

> From: Juanma Barranquero <lekktu@gmail.com>
> Date: Mon, 20 Jan 2014 19:04:45 +0100
> 
> There's an assertion failure when trying to signal the error that the
> default font selected for the frame does not exist, it seems.
> 
> 
> (gdb) run -Q -fn "NoExiste-10"
> Starting program: C:\Devel\emacs\repo\trunk\src\emacs.exe -Q -fn "NoExiste-10"
> [New Thread 11388.0x29c8]
> [New Thread 11388.0x680]
> [New Thread 11388.0x1620]
> [New Thread 11388.0x295c]
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x011f3564 in unwind_create_frame (frame=61646221) at w32fns.c:4253
> 4253          eassert (dpyinfo->terminal->image_cache->refcount ==
> image_cache_refcount);

Fixed in trunk revision 116097.