// Copyright (c) 2017, 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. | |
/*@testedFeatures=checks*/ | |
library test; | |
class B { | |
void f(int x, int y) {} | |
} | |
abstract class I { | |
void f(covariant int x, Object y); | |
} | |
abstract class C extends B implements I {} | |
void main() {} |