|  | // Copyright (c) 2017, 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. | 
|  |  | 
|  | // Regression test for issue 31333. | 
|  |  | 
|  | import 'package:expect/expect.dart'; | 
|  |  | 
|  | main() { | 
|  | Expect.throws(() => method() + 42, (e) => e is NoSuchMethodError); | 
|  | } | 
|  |  | 
|  | method() { | 
|  | var local = ({foo}) => 42; | 
|  | local(foo: 1).isEven; | 
|  | // Global type inference wrongfully refines `local` to have type JSInt. | 
|  | return local; | 
|  | } |