| // Copyright (c) 2011, 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. |
| |
| import "package:expect/expect.dart"; |
| |
| class A { |
| operator -() => this; |
| toString() => "5"; |
| abs() => "correct"; |
| } |
| |
| // This triggered a bug in Dart2Js: the speculative type optimization assigned |
| // type "number" to 'a' and then to '-a'. In the bailout version the type for |
| // 'a' was removed, but the type for '-a' was kept. |
| foo(a) => -(-a); |
| |
| main() { |
| Expect.equals("correct", foo(new A()).abs()); |
| } |
