--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/hotspot/jtreg/runtime/cds/appcds/test-classes/RewriteBytecodes.java	Mon Jul 29 10:34:20 2019 -0400
@@ -0,0 +1,55 @@
+/*
+ * Copyright (c) 2015, 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.
+ *
+ */
+
+import java.io.File;
+import sun.hotspot.WhiteBox;
+
+public class RewriteBytecodes {
+  public static void main(String args[]) throws Throwable {
+    String from = "___xxx___";
+    String to   = "___yyy___";
+    File clsFile = new File(args[0]);
+    Class superClass = Util.defineModifiedClass(RewriteBytecodes.class.getClassLoader(), clsFile, from, to);
+
+    Child child = new Child();
+
+    if (child.getClass().getSuperclass() != superClass) {
+      throw new RuntimeException("Mismatched super class");
+    }
+    // Even if the Super class is not loaded from the CDS archive, make sure the Child class
+    // can still be loaded successfully, and properly inherits from the rewritten version
+    // of Super.
+    if (!child.toString().equals(to)) {
+      throw new RuntimeException("Wrong output, expected: " + to + ", but got: " + child.toString());
+    }
+
+    WhiteBox wb = WhiteBox.getWhiteBox();
+    if (wb.isSharedClass(superClass)) {
+      throw new RuntimeException("wb.isSharedClass(superClass) should be false");
+    }
+    if (wb.isSharedClass(child.getClass())) {
+      throw new RuntimeException("wb.isSharedClass(child.getClass()) should be false");
+    }
+  }
+}