| // 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. |
| // Test deoptimization on a smi check. |
| // VMOptions=--optimization-counter-threshold=10 --no-background-compilation |
| |
| // @dart = 2.9 |
| |
| import 'package:expect/expect.dart'; |
| |
| hc(a) { |
| var r = a.hashCode; |
| return r; |
| } |
| |
| main() { |
| for (var i = 0; i < 20; i++) { |
| Expect.equals((1).hashCode, hc(1)); |
| } |
| // Passing double causes deoptimization. |
| Expect.equals((1.0).hashCode, hc(1.0)); |
| } |