css/css-multicol/crashtests/balancing-flex-item-trailing-margin-freeze.html

<!DOCTYPE html>
<link rel="author" title="Morten Stenshorne" href="mailto:mstensho@chromium.org">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1395408">
<link rel="help" href="https://bugs.chromium.org/p/chromium/issues/detail?id=1399449">
<div style="columns:2;">
  <div style="contain:size; height:40px;">PASS if no freeze.</div>
  <div style="display:flex;">
    <div style="contain:size; margin-bottom:2px; height:30px; width:100px;"></div>
  </div>
  <div style="display:flex;">
    <div style="contain:size; margin-bottom:2px; height:30px; width:100px;"></div>
  </div>
</div>