| // Copyright (c) 2021, 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. |
| // |
| // dart2jsOptions=--null-assertions --enable-asserts |
| |
| @pragma('dart2js:noInline') |
| confuse(x) => x; |
| |
| class MyObject { |
| // Operator == _not_ overridden. |
| } |
| |
| class MyObject2 { |
| @override |
| bool operator ==(other) => other is MyObject2; |
| } |
| |
| void main() { |
| confuse(MyObject2()); |
| print(confuse(MyObject()) == confuse(null)); |
| } |