<!DOCTYPE html>
<script>
  onload = () => {
    if (window.testRunner) {
      testRunner.dumpAsText();
      testRunner.waitUntilDone();
    }
    setTimeout(function() { document.write('This test should not crash.'); testRunner.notifyDone(); }, 0);
  };
</script>
<style>
* {
    display: flex;
    flex-direction: column;
    width: min-intrinsic;
    writing-mode: vertical-lr;
}
</style>
<body>
<p>This shouldn't crash.</p>
</body>