--- a/jdk/src/java.base/share/classes/java/util/Date.java	Mon Aug 22 14:55:11 2016 +0900
+++ b/jdk/src/java.base/share/classes/java/util/Date.java	Mon Aug 22 15:17:11 2016 +0900
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1994, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1994, 2016, 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
@@ -952,6 +952,9 @@
      * without affecting its internal state.
      */
     static final long getMillisOf(Date date) {
+        if (date.getClass() != Date.class) {
+            return date.getTime();
+        }
         if (date.cdate == null || date.cdate.isNormalized()) {
             return date.fastTime;
         }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/util/Date/Bug8135055.java	Mon Aug 22 15:17:11 2016 +0900
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2016, 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 8135055
+ * @summary Test java.sql.TimeStamp instance should come after java.util.Date
+ * if Nanos component of TimeStamp is not equal to 0 milliseconds.
+*/
+import java.sql.Timestamp;
+import java.util.Date;
+
+public class Bug8135055 {
+
+    public static void main(String[] args) throws InterruptedException {
+        for (int i = 0; i < 1000; i++) {
+            Date d = new Date();
+            Timestamp ts = new Timestamp(d.getTime());
+            if (d.after(ts)) {
+                throw new RuntimeException("date with time " + d.getTime()
+                        + " should not be after TimeStamp , Nanos component of "
+                                + "TimeStamp is " +ts.getNanos());
+            }
+            Thread.sleep(1);
+        }
+    }
+}