// Copyright 2016 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.// https://code.google.com/p/chromium/issues/detail?id=578775var__v_9={};for(var__v_0=0;__v_0<1000;__v_0++){}__v_2={__v_2:1};__v_12=newProxy({},{});functionf(){var__v_10=newProxy({},__v_2);__v_9.__proto__=__v_10;__v_2.getPrototypeOf=function(){return__v_9};Object.prototype.isPrototypeOf.call(__v_0,__v_10);};assertThrows(f,RangeError);