Comment 2 for bug 863930

StacktraceTop:
 g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f17647e59d0 "g_variant_type_info_check", message=0x17c94b0 "assertion failed: (0 <= index && index < 24)") at /build/buildd/glib2.0-2.30.0/./glib/gtestutils.c:1425
 g_assertion_message_expr (domain=0x7f1764795826 "GLib", file=0x7f17647e56b8 "/build/buildd/glib2.0-2.30.0/./glib/gvarianttypeinfo.c", line=186, func=0x7f17647e59d0 "g_variant_type_info_check", expr=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gtestutils.c:1436
 g_variant_type_info_check (info=<optimized out>, container_class=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gvarianttypeinfo.c:186
 g_variant_type_info_unref (info=0x7f1758010c60) at /build/buildd/glib2.0-2.30.0/./glib/gvarianttypeinfo.c:831
 g_variant_unref (value=0x7f175000b4a0) at /build/buildd/glib2.0-2.30.0/./glib/gvariant-core.c:625