chromium/third_party/blink/web_tests/fast/multicol/ruby-crash.html

<!DOCTYPE html>
<script>
    if (window.testRunner)
        testRunner.dumpAsText();
</script>
<p>Multicol on ruby elements shouldn't be allowed.</p>
<p>PASS if no crash or assertion failure.</p>
<ruby style="display:block ruby; -webkit-columns:3;"></ruby>