Comment 2 for bug 835885

StacktraceTop:
 g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f994c0c1970 "g_variant_type_info_check", message=0x1d2dc90 "assertion failed: (0 <= index && index < 24)") at /build/buildd/glib2.0-2.29.16/./glib/gtestutils.c:1425
 g_assertion_message_expr (domain=0x7f994c071106 "GLib", file=0x7f994c0c1658 "/build/buildd/glib2.0-2.29.16/./glib/gvarianttypeinfo.c", line=186, func=0x7f994c0c1970 "g_variant_type_info_check", expr=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gtestutils.c:1436
 g_variant_type_info_check (info=<optimized out>, container_class=<optimized out>) at /build/buildd/glib2.0-2.29.16/./glib/gvarianttypeinfo.c:186
 g_variant_type_info_get_type_string (info=0x7f99400064d0) at /build/buildd/glib2.0-2.29.16/./glib/gvarianttypeinfo.c:200
 g_variant_is_of_type (value=<optimized out>, type=0x7f994c0c09bb) at /build/buildd/glib2.0-2.29.16/./glib/gvariant.c:1884