Comment 2 for bug 1266970

StacktraceTop:
 g_assertion_message (domain=domain@entry=0x8060c75 " location for `%s' passed as NULL", file=file@entry=0x8061fe1 "tom-font", line=line@entry=3491, func=func@entry=0x8062aa2 <__func__.26873+34> "", message=message@entry=0x846f568 "assertion failed: (i >= 0 && i < m_engines.length)") at /build/buildd/glib2.0-2.39.2/./glib/gtestutils.c:2317
 g_assertion_message_expr (domain=0x8060c75 " location for `%s' passed as NULL", file=0x8061fe1 "tom-font", line=3491, func=0x8062aa2 <__func__.26873+34> "", expr=0x8062520 <__func__.55398+28> "le") at /build/buildd/glib2.0-2.39.2/./glib/gtestutils.c:2332
 _____lambda35__gtk_menu_item_activate (_sender=0x0, self=0x50) at panel.c:4435
 g_free (mem=0x846e288) at /build/buildd/glib2.0-2.39.2/./glib/gmem.c:195
 panel_real_focus_in (base=0x82635c0, input_context_path=0x8062182 "us for Linux/Unix.") at panel.c:4684