--- a/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/internal/dynalink/support/NameCodec.java	Tue Oct 20 23:33:39 2015 +0200
+++ b/nashorn/src/jdk.scripting.nashorn/share/classes/jdk/internal/dynalink/support/NameCodec.java	Tue Oct 20 23:34:16 2015 +0200
@@ -105,7 +105,7 @@
  * ensure that you mangle the names using {@link #encode(String)} when you're
  * emitting them in the bytecode.
  */
-public class NameCodec {
+public final class NameCodec {
     private static final char ESCAPE_CHAR = '\\';
     private static final char EMPTY_ESCAPE = '=';
     private static final String EMPTY_NAME = new String(new char[] { ESCAPE_CHAR, EMPTY_ESCAPE });