blob: af5c0c84001b15dc732ede245d28112e469f8409 [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 a = [];
%PrepareFunctionForOptimization(foo);
assertEquals("", foo(a));
assertEquals("", foo(a));
%OptimizeFunctionOnNextCall(foo);
assertEquals("", foo(a));
Array.prototype.x = 4;
assertEquals("x", foo(a));