// 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 The static type of the expression e1[e2] = e3 is the static
/// type of e3.
/// @description Checks that static type of e1[e2] = e3 is static type of e3.
/// @author ilya


class D {}

class C {
  operator []=(index, value) {}
}

main() {
  C c = new C();
  D d = (c[100] = new D());
}
