// Copyright 2014 the V8 project authors. All rights reserved.// Use of this source code is governed by a BSD-style license that can be// found in the LICENSE file.// Arrow function parsing (commit r22366) changed the flags stored in// PreParserExpression, and IsValidReferenceExpression() would return// false for certain valid expressions. This case is the minimum amount// of code needed to validate that IsValidReferenceExpression() works// properly. If it does not, a ReferenceError is thrown during parsing.functionf(){++(this.foo)}