// 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 A constructor name always begins with the name of its immediately
/// enclosing class, and may optionally be followed by a dot and an identifier
/// id. It is a compile-time error if the name of a constructor is not a
/// constructor name.
/// A constructor declaration may conflict with static member declarations
/// (10.11).
/// Let C be a class. It is a compile-time error if C declares a
///  • constructor named C.n and a static member with basename n.
///
/// @description Checks that it is no compile-error if a constructor's id
/// coincides with the name of a static getter declared in the base class. Test
/// type alias
/// @author sgrekhov@unipro.ru

class A {
  static int get foo => 42;
}
typedef AAlias = A;

class C extends AAlias {
  C.foo() {}
}

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