// 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 Additive expressions invoke the addition operators on objects.
/// additiveExpression:
///   multiplicativeExpression (additiveOperator multiplicativeExpression)* |
///   super (additiveOperator multiplicativeExpression)+
/// ;
/// additiveOperator:
///   '+' |
///   '-'
/// ;
/// An additive expression is either a multiplicative expression, or an
/// invocation of an additive operator on either super or an expression e1, with
/// argument e2.
/// @description Checks that assignment expression cannot be used as the second
/// operand of an additive expression.
/// @author rodionov
/// @reviewer iefremov


main() {
  var foo;
  try {1 + foo = 2;} catch (ok) {}
//     ^
// [analyzer] unspecified
// [cfe] unspecified
}