// 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 The [&], [|] and [^] binary operators are now also allowed when
/// the operands are of type [bool].
/// @description Checks that operator [|] is not accepted for constants if the
/// first one is of type [bool] and the second one is of type [int].
/// @author iarkh@unipro.ru


const bool b1 = true;
const int b2 = 0;

main() {
  const c1 = b1 | b2;
//                ^
// [analyzer] unspecified
// [cfe] unspecified
}
