bug#20802: Segfault when showing non-GTK+ tooltip

[Eli Zaretskii]

> From: Tobias Getzner <tobias.getzner@gmx.de>
> Date: Tue, 16 Jun 2015 17:34:05 +0200
> 
> Thanks! I built from master (34a43ba), which includes your 93ae9f4. I’m
> still seeing a segfault for the steps given above. Backtrace below.

Please run Emacs under GDB, put a breakpoint in
x_free_frame_resources, then perform your steps, and show backtrace
each time the breakpoint breaks.

Thanks.