blob: d4b0397a50cb6b6dc6467fd60f89d77d2b56823b [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 elements 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[0] = 1;
assertEquals("0", foo(a));