Vladimir Kazanov <vekazanov@gmail.com> writes:

> Hi Juri,
>
> This must be related to the recent patch introducing the function.
>
> Can you reliably reproduce the crash?

I have the same problem. I tried to replicate it with Emacs -Q but
it seems hard to do since it just happens at some point when using Emacs
and moving around between screens/virtual desktops.

Here my backtrace.