// Copyright (c) 2011, 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 static warning 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 instance member m2 and m1 has fewer positional parameters
/// than m2.
/// @author kaigorodov


class A {
  foo(var a, [x, y]) {}
}

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

main() {
  new A().foo(2);
  new C().foo(1);
}
