blob: 71c5d8822ab8160c17bb846a3ad9d22fe80244c2 [file] [log] [blame]
// 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-syntax --opt
// Ensure that we properly check for properties on the prototypes.
function foo(o) {
var s = "";
for (var i in o) s += i;
return s;
}
var o = {a:1, b:2, c:3};
%PrepareFunctionForOptimization(foo);
assertEquals("abc", foo(o));
assertEquals("abc", foo(o));
%OptimizeFunctionOnNextCall(foo);
assertEquals("abc", foo(o));
Object.prototype.d = 4;
assertEquals("abcd", foo(o));