|  | // Copyright (c) 2013, 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. | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | // Regression test for dart2js that used to crash on this program. | 
|  |  | 
|  | class A { | 
|  | var b; | 
|  |  | 
|  | // The closure in the constructor body used to confuse the SSA builder | 
|  | // when it created the call to the constructor body. | 
|  | A.withClosure(Map a) { | 
|  | var c; | 
|  | var f = () { | 
|  | return c = 42; | 
|  | }; | 
|  | b = f(); | 
|  | Expect.equals(42, b); | 
|  | Expect.equals(42, c); | 
|  | } | 
|  | } | 
|  |  | 
|  | main() { | 
|  | new A.withClosure(null); | 
|  | new A.withClosure({}); | 
|  | } |