// 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 There are no other constant expressions.
 * @description Checks that a getter invocation expression cannot be used to
 * initialize a constant variable.
 * @compile-error
 * @author iefremov
 */

class A {
  static get m {}
}

const m = A.m;

main() {
  try {
    print(m);
  } catch (x) {}
}
