LayoutTests/js/window-length-getOwnPropertyDescriptor-crash.html

<script src="../resources/js-test-pre.js"></script>
<script>
// Reify the window object.
delete window.name;

var descriptor = Object.getOwnPropertyDescriptor(window, "length");
shouldBeType("descriptor.get", "Function");
shouldBeType("descriptor.set", "Function");
shouldBeTrue("descriptor.configurable");
shouldBeTrue("descriptor.enumerable");
shouldBe("window.length", "0");

// window.length is [Replaceable] so it can be shadowed.
evalAndLog("window.length = 1");
descriptor = Object.getOwnPropertyDescriptor(window, "length");
shouldBe("descriptor.value", "1");
shouldBeTrue("descriptor.configurable");
shouldBeTrue("descriptor.enumerable");
shouldBe("window.length", "1");
</script>
<script src="../resources/js-test-post.js"></script>