// 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.Error.prepareStackTrace=function(e,frames){returnframes;}assertThrows(()=>newError().stack[0].getMethodName.call({}),TypeError);Error.prepareStackTrace=function(e,frames){returnframes.map(frame=>newProxy(frame,{}));}assertThrows(()=>newError().stack[0].getMethodName(),TypeError);Error.prepareStackTrace=function(e,frames){returnframes;}assertEquals(null,newError().stack[0].getMethodName());