| // Copyright (c) 2015, 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. |
| |
| // @dart = 2.9 |
| |
| import "package:expect/expect.dart"; |
| |
| class A<T> { |
| @pragma('dart2js:noInline') |
| A(); |
| |
| @pragma('dart2js:noInline') |
| foo() => new B<T>(); |
| } |
| |
| class B<T> { |
| T bar() => null; |
| } |
| |
| typedef F(); |
| typedef F2(x); |
| |
| // Dart2js realized that the generic type for A was not needed, but then used |
| // it nevertheless when it constructed the closure. |
| main() { |
| var f = new A<int>().foo().bar; |
| Expect.isTrue(f is F); |
| Expect.isFalse(f is F2); |
| } |