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chromium/third_party/blink/web_tests/fast/multicol/span/inside-overflow-hidden-crash.html 

<!DOCTYPE html>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();
</script>
<p>PASS if no crash or assertion failure.</p>
<div style="-webkit-columns:2;">
    <div style="height:2em; overflow:hidden;">
        <div style="height:3em;"></div>
        <div style="-webkit-column-span:all;"></div>
        <div style="height:1em;"></div>
    </div>
</div>