--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/test/runtime/RedefineTests/RedefineRunningMethods.java	Wed Sep 03 19:13:18 2014 -0400
@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2014, 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
+ * @bug 8055008
+ * @summary Redefine EMCP and non-EMCP methods that are running in an infinite loop
+ * @library /testlibrary
+ * @build RedefineClassHelper
+ * @run main RedefineClassHelper
+ * @run main/othervm -javaagent:redefineagent.jar -XX:TraceRedefineClasses=0x600 RedefineRunningMethods
+ */
+public class RedefineRunningMethods {
+
+    public static String newB =
+                "class RedefineRunningMethods$B {" +
+                "   static int count1 = 0;" +
+                "   static int count2 = 0;" +
+                "   public static volatile boolean stop = false;" +
+                "  static void localSleep() { " +
+                "    try{ " +
+                "      Thread.currentThread().sleep(10);" +
+                "    } catch(InterruptedException ie) { " +
+                "    } " +
+                " } " +
+                "   public static void infinite() { " +
+                "       System.out.println(\"infinite called\");" +
+                "   }" +
+                "   public static void infinite_emcp() { " +
+                "       while (!stop) { count2++; localSleep(); }" +
+                "   }" +
+                "}";
+
+    public static String evenNewerB =
+                "class RedefineRunningMethods$B {" +
+                "   static int count1 = 0;" +
+                "   static int count2 = 0;" +
+                "   public static volatile boolean stop = false;" +
+                "  static void localSleep() { " +
+                "    try{ " +
+                "      Thread.currentThread().sleep(1);" +
+                "    } catch(InterruptedException ie) { " +
+                "    } " +
+                " } " +
+                "   public static void infinite() { }" +
+                "   public static void infinite_emcp() { " +
+                "       System.out.println(\"infinite_emcp now obsolete called\");" +
+                "   }" +
+                "}";
+
+    static class B {
+        static int count1 = 0;
+        static int count2 = 0;
+        public static volatile boolean stop = false;
+        static void localSleep() {
+          try{
+            Thread.currentThread().sleep(10);//sleep for 10 ms
+          } catch(InterruptedException ie) {
+          }
+        }
+
+        public static void infinite() {
+            while (!stop) { count1++; localSleep(); }
+        }
+        public static void infinite_emcp() {
+            while (!stop) { count2++; localSleep(); }
+        }
+    }
+
+
+    public static void main(String[] args) throws Exception {
+
+        new Thread() {
+            public void run() {
+                B.infinite();
+            }
+        }.start();
+
+        new Thread() {
+            public void run() {
+                B.infinite_emcp();
+            }
+        }.start();
+
+        RedefineClassHelper.redefineClass(B.class, newB);
+
+        System.gc();
+
+        B.infinite();
+
+        // Start a thread with the second version of infinite_emcp running
+        new Thread() {
+            public void run() {
+                B.infinite_emcp();
+            }
+        }.start();
+
+        for (int i = 0; i < 20 ; i++) {
+            String s = new String("some garbage");
+            System.gc();
+        }
+
+        RedefineClassHelper.redefineClass(B.class, evenNewerB);
+        System.gc();
+
+        for (int i = 0; i < 20 ; i++) {
+            B.infinite();
+            String s = new String("some garbage");
+            System.gc();
+        }
+
+        B.infinite_emcp();
+
+        // purge should clean everything up.
+        B.stop = true;
+
+        for (int i = 0; i < 20 ; i++) {
+            B.infinite();
+            String s = new String("some garbage");
+            System.gc();
+        }
+    }
+}