<!DOCTYPE html>
<html>
<style>
    #pos {
        position: absolute;
        top: 10px;
        left: 10px;
    }

    .multicol {
        -webkit-column-count: 2;
        height: 300px;
    }

    #transformed {
        background: red;
        width: 10px;
        height: 10px;
    }

    .update {
        -webkit-transform: rotate(-10deg);
    }

    .parent {
        height: 400px;
    }

    .container {
        padding: 50px;
        margin: 20px;
    }
</style>
<body>
<div class="multicol parent">
    <div id="change" class="container">
        <div class="multicol">
            <div>Static</div>
            <div>Static</div>
            <div>Static</div>
            <div id="pos">Positioned</div>
            <div>Static</div>
            <div>Static</div>
        </div>
    </div>
</div>
<script type="text/javascript">
    if (window.testRunner)
        window.testRunner.dumpAsText();

    document.body.offsetTop;
    document.getElementById("change").className += " update";
    document.body.offsetTop;
    document.body.innerHTML = "Test for b135563. It should not crash or assert.";
</script>
</body>
</html>