--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/appcds/dynamicArchive/DynamicFlag.java	Fri May 17 08:29:55 2019 -0700
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+/*
+ * @test
+ * @summary The DynamicDumpShareSpaces flag is internal, setting it at the command line should have no effect.
+ * @requires vm.cds
+ * @library /test/lib /test/hotspot/jtreg/runtime/appcds
+ * @modules java.base/jdk.internal.misc
+ *          jdk.jartool/sun.tools.jar
+ * @compile ../test-classes/Hello.java
+ * @run driver DynamicFlag
+ */
+
+public class DynamicFlag {
+  public static void main(String[] args) throws Exception {
+      TestCommon.test(JarBuilder.getOrCreateHelloJar(),
+          TestCommon.list("Hello"), "-XX:+DynamicDumpSharedSpaces", "Hello");
+  }
+}