// Copyright 2019 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: --always-turbofan __v_1 = {}; __v_1.__defineGetter__('x', function () { }); __proto__ = __v_1; function __f_4() { __v_1 = {}; } function __f_3() { 'use strict'; x = 42; } __f_4() try { __f_3(); } catch (e) { } __proto__ = __v_1; assertThrows(() => __f_3(), ReferenceError);