// Copyright (c) 2018, 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.

// @dart = 2.9

/// @assertion The mixin word is a built-in identifier to avoid parsing
/// ambiguities. It does not need to be a reserved word. The identifier mixin was
/// made a built-in identifier in Dart 2.0
///
/// @description Checks that the mixin word cannot be used as a type name
/// @author sgrekhov@unipro.ru


typedef mixin = int Function(Object a, Object b);
//      ^
// [analyzer] unspecified
// [cfe] unspecified

main() {
  mixin m;
//      ^
// [analyzer] unspecified
// [cfe] unspecified
}