Comment 2 for bug 851988

StacktraceTop:
 g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f70da515e70 "g_variant_type_info_check", message=0x7f70c808a9d0 "assertion failed: (0 <= index && index < 24)") at /build/buildd/glib2.0-2.29.90/./glib/gtestutils.c:1425
 g_assertion_message_expr (domain=0x7f70da4c5b86 "GLib", file=0x7f70da515b58 "/build/buildd/glib2.0-2.29.90/./glib/gvarianttypeinfo.c", line=186, func=0x7f70da515e70 "g_variant_type_info_check", expr=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gtestutils.c:1436
 g_variant_type_info_check (info=<optimized out>, container_class=<optimized out>) at /build/buildd/glib2.0-2.29.90/./glib/gvarianttypeinfo.c:186
 g_variant_type_info_get_type_string (info=0x7f70c8085e40) at /build/buildd/glib2.0-2.29.90/./glib/gvarianttypeinfo.c:200
 g_variant_make_dict_entry_type (val=0x7f70c8089e40, key=0x7f70c808a0c0) at /build/buildd/glib2.0-2.29.90/./glib/gvariant.c:858