--- old/src/share/classes/sun/reflect/generics/tree/CharSignature.java	2014-11-27 09:55:09.643133886 +0300
+++ new/src/share/classes/sun/reflect/generics/tree/CharSignature.java	2014-11-27 09:55:09.459228200 +0300
@@ -29,7 +29,7 @@
 
 /** AST that represents the type char. */
 public class CharSignature implements BaseType {
-    private static CharSignature singleton = new CharSignature();
+    private static final CharSignature singleton = new CharSignature();
 
     private CharSignature(){}