--- a/jdk/test/java/text/Format/NumberFormat/Bug4990596.java	Wed Sep 14 10:12:59 2016 -0700
+++ b/jdk/test/java/text/Format/NumberFormat/Bug4990596.java	Thu Sep 15 08:18:57 2016 +0900
@@ -35,6 +35,7 @@
         new DecimalFormat().format(new MutableInteger(0));
     }
 
+    @SuppressWarnings("serial")
     public static class MutableInteger extends Number {
         public int value;