// 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 Let Ti be the static type of ai, let Si be the type of pi,
/// i ∈ 1..h+k and let Sq be the type of the named parameter q of f.
/// . . .
/// It is a static warning if m < h or if m > n.
/// @description Checks that it is a compile error if the number of argument is
/// more than number of parameters of a top-level function.
/// @author msyabro


func(p1, p2, [p3]) {}

main() {
  func(1, 2 ,3, 4);
//              ^
// [analyzer] unspecified
// [cfe] unspecified
}
