--- old/test/java/io/Serializable/maskSyntheticModifier/Test.java	2017-05-24 21:59:18.244959533 -0700
+++ new/test/java/io/Serializable/maskSyntheticModifier/Test.java	2017-05-24 21:59:17.733894580 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 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
@@ -22,16 +22,22 @@
  */
 
 /*
+ * @test
  * @bug 4897937
+ * @run main Test
  * @summary Verify that the presence of the JVM_ACC_SYNTHETIC bit in the
  *          modifiers of fields and methods does not affect default
  *          serialVersionUID calculation.
  */
 
 import java.io.ObjectStreamClass;
+import java.nio.file.*;
 
 public class Test {
-    public static void main(String[] args) {
+    public static void main(String[] args) throws Exception {
+        Files.copy(Paths.get(System.getProperty("test.src"), "Foo.class"),
+                Paths.get("Foo.class"), StandardCopyOption.REPLACE_EXISTING);
+
         long suid = ObjectStreamClass.lookup(Foo.class).getSerialVersionUID();
         if (suid != 8027844768744011556L) {
             throw new Error("incorrect serialVersionUID: " + suid);