diff -r 0afc5f9eafef -r 78b2ecdd3c4b test/hotspot/jtreg/runtime/appcds/ProhibitedPackage.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/appcds/ProhibitedPackage.java	Mon Nov 27 20:21:34 2017 -0800
@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2014, 2017, 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 AppCDS handling of prohibited package.
+ * AppCDS does not support uncompressed oops
+ * @requires (vm.opt.UseCompressedOops == null) | (vm.opt.UseCompressedOops == true)
+ * @library /test/lib
+ * @modules java.base/jdk.internal.misc
+ *          java.management
+ *          jdk.jartool/sun.tools.jar
+ * @compile test-classes/ProhibitedHelper.java test-classes/Prohibited.jasm
+ * @run main ProhibitedPackage
+ */
+
+import jdk.test.lib.Platform;
+import jdk.test.lib.process.OutputAnalyzer;
+
+public class ProhibitedPackage {
+
+    public static void main(String[] args) throws Exception {
+        JarBuilder.build("prohibited_pkg", "java/lang/Prohibited", "ProhibitedHelper");
+
+        String appJar = TestCommon.getTestJar("prohibited_pkg.jar");
+
+        // AppCDS for custom loader is only supported on linux-x64 and
+        // Solaris 64-bit platforms.
+        if ((Platform.isLinux() || Platform.isSolaris()) &&
+            Platform.is64bit()) {
+            String classlist[] = new String[] {
+                "java/lang/Object id: 1",
+                "java/lang/Prohibited id: 2 super: 1 source: " + appJar
+            };
+
+            // Make sure a class in a prohibited package for a custom loader
+            // will be ignored during dumping.
+            TestCommon.dump(appJar,
+                            classlist,
+                            "-XX:+PrintSystemDictionaryAtExit")
+                .shouldContain("Dumping")
+                .shouldNotContain("java.lang.Prohibited")
+                .shouldHaveExitValue(0);
+        }
+
+
+        // Make sure a class in a prohibited package for a non-custom loader
+        // will be ignored during dumping.
+        TestCommon.dump(appJar,
+                        TestCommon.list("java/lang/Prohibited", "ProhibitedHelper"),
+                        "-XX:+PrintSystemDictionaryAtExit")
+            .shouldContain("Dumping")
+            .shouldNotContain("java.lang.Prohibited")
+            .shouldHaveExitValue(0);
+
+        // Try loading the class in a prohibited package with various -Xshare
+        // modes. The class shouldn't be loaded and appropriate exceptions
+        // are expected.
+
+        OutputAnalyzer output;
+
+        // -Xshare:on
+        output = TestCommon.execCommon(
+            "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
+            "-cp", appJar, "-Xlog:class+load=info", "ProhibitedHelper");
+        TestCommon.checkExec(output, "Prohibited package name: java.lang");
+
+        // -Xshare:auto
+        output = TestCommon.execAuto(
+            "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
+            "-cp", appJar, "-Xlog:class+load=info", "ProhibitedHelper");
+        TestCommon.checkExec(output, "Prohibited package name: java.lang");
+
+        // -Xshare:off
+        output = TestCommon.execOff(
+            "-XX:+UnlockDiagnosticVMOptions", "-XX:+WhiteBoxAPI",
+            "-cp", appJar, "-Xlog:class+load=info", "ProhibitedHelper");
+        output.shouldContain("Prohibited package name: java.lang");
+    }
+}