Pass the proper invocation mirror argument to noSuchMethod.

runtime/lib/object_patch.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 patch class Object {
 
   // Helpers used to implement hashCode. If a hashCode is used we remember it
   // using an Expando object. A new hashCode value is calculated using a Random
   // number generator.
   static Expando _hashCodeExp = new Expando("Object.hashCode");
   static Random _hashCodeRnd = new Random();
 
   /* patch */ int get hashCode {
     var result = _hashCodeExp[this];
     if (result == null) {
       result = _hashCodeRnd.nextInt(0x40000000);  // Stay in Smi range.
       _hashCodeExp[this] = result;
     }
     return result;
   }
 
   /* patch */ String toString() native "Object_toString";
   // A statically dispatched version of Object.toString.
   static String _toString(obj) native "Object_toString";
 
-  dynamic _noSuchMethod(String functionName, List args)
+  _noSuchMethod(bool isMethod,
+                String memberName,
+                List arguments,
+                Map<String, dynamic> namedArguments)
       native "Object_noSuchMethod";
 
-  /* patch */ dynamic noSuchMethod(InvocationMirror invocation) {
-    var methodName = invocation.memberName;
-    var args = invocation.positionalArguments;
-    return _noSuchMethod(methodName, args);
+  /* patch */ noSuchMethod(InvocationMirror invocation) {
+    return _noSuchMethod(invocation.isMethod,
+                         invocation.memberName,
+                         invocation.positionalArguments,
+                         invocation.namedArguments);
   }
 
   /* patch */ Type get runtimeType native "Object_runtimeType";
 }