4483. [func] Check prefixes in acls to make sure the address and

prefix lengths are consistent.  Warn only in
                        BIND 9.11 and earlier. [RT #43367]

bin/tests/system/checkconf/bad-acl.conf

@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2016  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+acl a {
+	{ "none"; };
+	{ !19.0.0.0/7; };
+};
+
+options {
+	allow-query { a; };
+};