// 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 It is a compile-time error if an expression is required to be a
/// constant expression but its evaluation would raise an exception.
/// @description Checks that using null in a shift constant expression is a
/// Scompile-time error.
/// @author kaigorodov


class C {
  final m;

  const C() :
    m = null >> 2;
//           ^
// [analyzer] unspecified
// [cfe] unspecified
}

main() {
  try {
    const C();
//  ^
// [analyzer] unspecified
  } catch (ok) {} // NPEs and whatnot
}
