// 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 Unless explicitly stated otherwise, all ordinary rules that apply to methods
/// apply to abstract methods.
/// It is a compile error if an instance method m1 overrides an instance member
/// m2 and m1 has fewer positional parameters than m2.
/// @description Checks that it is a compile error if an instance method m1
/// overrides an abstract instance member m2 and m1 has fewer positional
/// parameters than m2. Test type aliases
/// @author sgrekhov@unipro.ru

abstract class A {
  foo(var a, [x, y]);
}
typedef AAlias = A;

class C extends AAlias {
  foo(var a, [x]) {}
//^^^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  new C().foo(1);
}