Bug#271111: Fails to start; libart assertion fails

[Ilya Konstantinov]

Package: gok
Version: 0.11.3-2

When running, gok prints out the following output and terminates:
/dev/js0: No such file or directory
0 event types available
login mode = false
Word prediction dictionary contains a total of 3000 words
gok: art_render_gradient.c:337: art_render_gradient_linear_render_8:
Assertion (stops[ix-1].offset <= offset_fraction + 1e-6) ||
((stops[ix].offset > (1.0 - 1e-6)) && (offset_fraction < 1e-6 ))'
failed.
Aborted

(My system is fully apt-get upgrade'd.)