--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/FreeUnusedMetadata.java	Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2017, 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 Unused metadata created during dump time should be freed from the CDS archive.
+ * @requires vm.cds
+ * @library /test/lib
+ * @modules jdk.jartool/sun.tools.jar
+ * @compile test-classes/MethodNoReturn.jasm test-classes/Hello.java
+ * @run driver FreeUnusedMetadata
+ */
+
+import java.nio.file.Files;
+import java.nio.file.Paths;
+import jdk.test.lib.process.OutputAnalyzer;
+
+public class FreeUnusedMetadata {
+    static byte iconst_1 =  4;
+    static byte pop      = 87;
+    static byte[] pattern = { // This has the same sequence as in test-classes/MethodNoReturn.jasm
+        iconst_1,
+        pop,
+        iconst_1,
+        pop,
+        iconst_1,
+        pop,
+        iconst_1,
+        pop,
+        iconst_1,
+        pop,
+        iconst_1,
+        pop,
+        iconst_1,
+        pop,
+        iconst_1,
+        pop,
+        iconst_1,
+        pop,
+        iconst_1,
+        pop,
+        iconst_1,
+        iconst_1,
+        iconst_1,
+        iconst_1,
+        iconst_1,
+        iconst_1,
+        iconst_1,
+        iconst_1,
+        pop,
+        pop,
+        pop,
+        pop,
+        pop,
+        pop,
+        pop,
+        pop
+    };
+
+    public static void main(String[] args) throws Exception {
+        String[] ARCHIVE_CLASSES = {"Hello", "MethodNoReturn"};
+        String appJar = JarBuilder.build("FreeUnusedMetadata", ARCHIVE_CLASSES);
+
+        OutputAnalyzer dumpOutput = TestCommon.dump(
+                appJar, ARCHIVE_CLASSES);
+        TestCommon.checkDump(dumpOutput, "Loading classes to share");
+
+        OutputAnalyzer execOutput = TestCommon.exec(appJar, "Hello");
+        TestCommon.checkExec(execOutput, "Hello World");
+
+
+        String archive = TestCommon.getCurrentArchiveName();
+        System.out.println("Checking for pattern inside " + archive + "...");
+
+        byte[] data = Files.readAllBytes(Paths.get(archive));
+        int max = data.length - pattern.length;
+        for (int i=0; i<max; i++) {
+            if (data[i+0] == iconst_1 && data[i+1] == pop &&
+                data[i+2] == iconst_1 && data[i+3] == pop) {
+                boolean match = true;
+                for (int x=4; x<pattern.length; x++) {
+                    if (data[i+x] != pattern[x]) {
+                        match = false;
+                        break;
+                    }
+                }
+
+                if (match) {
+                    throw new RuntimeException("method of unverifiable class should have been " +
+                        "removed from the archive " + archive +
+                        " , but was found at offset " + i);
+                }
+            }
+        }
+        System.out.println("Not found: method from unverifiable class has been removed");
+    }
+}