| // Copyright (c) 2013, 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 type of the AssertAssignable is recomputed correctly. |
| // VMOptions=--optimization-counter-threshold=10 --no-use-osr |
| |
| import "package:expect/expect.dart"; |
| |
| class A { |
| final p; |
| final _b; |
| |
| b() { |
| try { |
| return _b; |
| } catch (e) {} |
| } |
| |
| A(this.p, this._b); |
| } |
| |
| class B extends A { |
| B(p, b) : super(p, b); |
| } |
| |
| bar(v) { |
| for (var x = v; x != null; x = x.p) { |
| if (x.b()) { |
| return x; |
| } |
| } |
| return null; |
| } |
| |
| foo(v) { |
| A x = bar(v); |
| return x != null; |
| } |
| |
| main() { |
| final a = new A(new B(new A("haha", true), false), false); |
| |
| for (var i = 0; i < 20; i++) { |
| Expect.isTrue(foo(a)); |
| } |
| Expect.isTrue(foo(a)); |
| } |