|  | // Copyright (c) 2015, 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. | 
|  | // Test range inference for multiplication of two negative values. | 
|  | // VMOptions=--optimization-counter-threshold=10 --no-use-osr --no-background-compilation | 
|  |  | 
|  | import 'package:expect/expect.dart'; | 
|  |  | 
|  | test(a) { | 
|  | var x = a ? -1 : -2; | 
|  | if (0 < (x * x)) { | 
|  | return "ok"; | 
|  | } else { | 
|  | return "fail"; | 
|  | } | 
|  | } | 
|  |  | 
|  | main() { | 
|  | for (var j = 0; j < 20; j++) { | 
|  | Expect.equals("ok", test(false)); | 
|  | } | 
|  | } |