// 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 Execution of a do statement of the form do s while (e); proceeds
/// as follows:
///   The statement {s} is executed. Then, the expression e is evaluated to an
/// object o. Then, o is then subjected to boolean conversion, producing an
/// object r. If r is false, execution of the do statement is complete. If r is
/// true, then the do statement is re-executed recursively.
/// @description Check that non boolean expression e cause compile error
/// @author vasya


main() {
  int x = 0;
  do {
    x = 2;
  } while ("true");
//         ^
// [analyzer] unspecified
// [cfe] unspecified
}
