// Copyright 2017 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.// Flags: --allow-natives-syntax --expose-externalize-string// Calculate string so that it isn't internalized.
// Now externalize it.externalizeString(string,false);// Then internalize it by using it as a keyed property name// to turn it a thin string.varobj={};obj[string];// Perform a string concatination.