| // Copyright (c) 2014, 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 17210. | |
| import "package:expect/expect.dart"; | |
| @pragma('dart2js:noInline') | |
| num minusZero() => -0; | |
| void main() { | |
| // Dart2js must not infer that the type-intersection of int and -0.0 is empty. | |
| // It must get an interceptor for the addition (`i += 3`), or use the native | |
| // JS + operation. | |
| int i = minusZero() as int; | |
| i += 3; | |
| Expect.equals(3, i); | |
| } |