diff -r 6d0add6ad778 -r 23505e6ea22d src/share/classes/com/sun/tools/classfile/AccessFlags.java
--- a/src/share/classes/com/sun/tools/classfile/AccessFlags.java	Thu Jul 30 10:30:34 2009 +0100
+++ b/src/share/classes/com/sun/tools/classfile/AccessFlags.java	Thu Jul 30 07:48:24 2009 -0700
@@ -76,6 +76,10 @@
         return (flags & mask) != 0;
     }
 
+    public int byteLength() {
+        return 2;
+    }
+
     private static final int[] classModifiers = {
         ACC_PUBLIC, ACC_FINAL, ACC_ABSTRACT, ACC_MODULE
     };