<!DOCTYPE html>
<p>Test that unbreakable content inside a multicol container that's taller than the specified height
    of the multicol container doesn't cause an assertion failure.</p>
<p>PASS if no crash or assertion failure.</p>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();
</script>
<div style="-webkit-columns:2; height:0.2em;">
    x
</div>