TBR (red build bot).

frog/lib/corelib.dart

 // Copyright (c) 2011, 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.
 
 #library("dart:core");
 #import("dart:coreimpl");
 
 // TODO(jimhug): Better way to map in standard corelib
 #source("../../corelib/src/bool.dart");
 #source("../../corelib/src/collection.dart");
@@ skipping 99 matching lines @@
 
   const Object() native;
 
   bool operator ==(Object other) native;
   String toString() native;
 
   // TODO(jmesserly): optimize this. No need to call it.
   get dynamic() => this;
 
   // TODO(jmesserly): add named args. For now stay compatible with the VM.
-  noSuchMethod(String name, List args) {
+  void noSuchMethod(String name, List args) {
     throw new NoSuchMethodException(this, name, args);
   }
 }