bug#41239: GTK builds crashing in XTread_socket after deleting a frame

[martin rudalics]

> Ah, I did manage to get it after repeating about 10 times.  Following
> 
https://stackoverflow.com/questions/23199699/glib-critical-source-id-xxx-was-not-found-when-attempting-to-remove-it
> I got a backtrace by putting a breakpoint on g_log.

How did you do that?  Did you build GTK with debugging information?

> Not sure what to do
> about it though.

Ignore it, I'd say.

martin