--- old/src/share/classes/java/lang/invoke/LambdaForm.java	2014-07-14 19:53:27.000000000 +0400
+++ new/src/share/classes/java/lang/invoke/LambdaForm.java	2014-07-14 19:53:27.000000000 +0400
@@ -459,6 +459,11 @@
         return arity;
     }
 
+    /** Report the number of expressions (non-parameter names). */
+    int expressionCount() {
+        return names.length - arity;
+    }
+
     /** Return the method type corresponding to my basic type signature. */
     MethodType methodType() {
         return signatureType(basicTypeSignature());