// 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: --no-lazy-feedback-allocation v = {}; v.__proto__ = new Int32Array(1); function foo() { for (var i = 0; i < 2; i++) { v[i] = 0; } } foo(); assertEquals(Object.keys(v).length, 1);