<!DOCTYPE html>
<html>
<body>
<script src="../../../resources/js-test.js"></script>
<iframe id="subframe"></iframe>
<script>
description("Make sure that we do not crash when a frame gets detached in a message event handler.");
jsTestIsAsync = true;

onload = function() {
    frames[0].onmessage = function(msg) {
        subframe.remove();
        gc();
        setTimeout(finishJSTest, 0);
    }

    frames[0].postMessage("foo", "*");
}
</script>
</body>
</html>