// 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 final variable is a variable whose binding is fixed upon
/// initialization; a final variable v will always refer to the same object
/// after v has been initialized. The declaration of a final variable must
/// include the modifier final.
/// It is a static warning if a final instance variable that has been
/// initialized at its point of declaration  is  also initialized in a
/// constructor.
/// It is a compile-time error if a local variable v is final and v is not
/// initialized at its point of declaration.
/// @description Checks that a compile error occurs if a final instance
/// variable that has been initialized in declaration is also initialized in
/// a constructor.
/// @author rodionov
/// @issue 12539


class C {
  final v = 1;
  
  C(this.v) {}
//       ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  new C(1);
}
