blob: b8aa40fb72b7d25556db50030c35509d1924e701 [file] [log] [blame]
* Copyright (c) 2019, 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.
* @assertion It is a compile-time error if a class C is a superclass of itself.
* @description Checks that it is a compile-time error if a class attempts to
* extend itself indirectly, by transition. Test type aliases
* @compile-error
* @author
// SharedOptions=--enable-experiment=nonfunction-type-aliases
class A extends DAlias {}
class B extends A {}
class C extends B {}
class D extends C {}
typedef DAlias = D;
main() {
new A();