| // Copyright (c) 2016, 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 27164. | 
 |  | 
 | import 'package:expect/expect.dart'; | 
 |  | 
 | String simpleEcho(String arg) => arg; | 
 |  | 
 | class Echo { | 
 |   final echo; | 
 |   // Check that the expression simpleEcho is a compile-time constant. | 
 |   const Echo() : echo = simpleEcho; | 
 | } | 
 |  | 
 | void main() { | 
 |   Expect.equals("hello", const Echo().echo("hello")); | 
 | } |