| // Copyright (c) 2012, 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. |
| // Check that phi type computation in the Dart2Js compiler does the |
| // correct thing. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| bar() => 490; |
| bar2() => 0; |
| |
| foo(b) { |
| var x = bar(); |
| var x2 = x; |
| if (b) x2 = bar2(); |
| var x3 = 9 + x; // Guarantees that x is a number. Dart2js propagated the |
| // type information back to the phi (for x2). |
| return x2 + x3; |
| } |
| |
| main() { |
| Expect.equals(499, foo(true)); |
| } |
