// 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 an additive expression of the form
/// super ('+' multiplicativeExpression)+
/// must have at least two operands.
/// @author msyabro


class S {
  operator +() {}
//         ^
// [analyzer] unspecified
// [cfe] unspecified
}

class A {
  test() {
    try {
      super +;
//           ^
// [analyzer] unspecified
// [cfe] unspecified
    } catch (e) {}
  }
}

main() {
  A a = new A();
  a.test();
}
