// 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-syntaxvarsentinelObject={};varevaluatedArg=false;classCextendsObject{constructor(){try{super(evaluatedArg=true);}catch(e){assertInstanceof(e,TypeError);returnsentinelObject;}}}