| // 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. |
| // VMOptions=--optimization_counter_threshold=10 --no-background_compilation |
| |
| import 'package:expect/expect.dart'; |
| |
| class Good { |
| use(x) { return x & 0x1; } |
| } |
| |
| class Bad { |
| use(x) { return x & 0x100000000; } |
| } |
| |
| f(o, x) => o.use(x << 1); |
| |
| main() { |
| final good = new Good(); |
| final bad = new Bad(); |
| for (var i = 0; i < 20000; i++) { |
| Expect.equals(0, f(good, 0x80000000)); |
| } |
| Expect.equals(0x100000000, f(bad, 0x80000000)); |
| } |
| |
