diff -r c78acf6c2f3e -r fcf89720ae71 src/share/classes/javax/lang/model/element/Modifier.java
--- a/src/share/classes/javax/lang/model/element/Modifier.java	Mon Dec 10 12:10:50 2012 +0000
+++ b/src/share/classes/javax/lang/model/element/Modifier.java	Mon Dec 10 16:21:26 2012 +0000
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2006, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2012, 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
@@ -61,16 +61,10 @@
     /** The modifier {@code native} */          NATIVE,
     /** The modifier {@code strictfp} */        STRICTFP;
 
-
-    private String lowercase = null;    // modifier name in lowercase
-
     /**
      * Returns this modifier's name in lowercase.
      */
     public String toString() {
-        if (lowercase == null) {
-           lowercase = name().toLowerCase(java.util.Locale.US);
-        }
-        return lowercase;
+        return name().toLowerCase(java.util.Locale.US);
     }
 }