<html>
<body>
<script>
if (window.testRunner)
    testRunner.dumpAsText();

function foo() {
    window.prototype;
}

Object.getOwnPropertyDescriptor(window, "statusbar");

// Need to baseline compile foo().
for (var i = 0; i < 200; i++)
    foo();

window.statusbar = false;
Object.getOwnPropertyDescriptor(window, "statusbar");
</script>
<p>This test passes if it does not crash.</p>
</body>
</html>