// 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 A generative constructor may be redirecting, in which case its
/// only action is to invoke another generative constructor. A redirecting
/// constructor has no body; instead, it has a redirect clause that specifies
/// which constructor the invocation is redirected to, and with what arguments.
/// redirection:
///   ':' this ('.' identifier)? arguments
/// ;
/// @description Checks that an attempt to combine property initialization with
/// constructor redirection results in a compile error.
/// @author pagolubev


class C {
  C() :  x = -1, this.init();
  //     ^
// [analyzer] unspecified
// [cfe] unspecified
  C.init();
  var x;
}

main() {
  new C();
}
