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chromium/third_party/blink/web_tests/external/wpt/css/css-tables/crashtests/legacy_ng_mix_crash.html 

<!DOCTYPE html>
<p>PASS if no crash or DCHECK failure.</p>
<table id="elm" style="columns:2;">
  <colgroup style="column-count:2;">
</table>
<script>
  document.body.offsetTop;
  elm.style.columns = "auto";
</script>