LayoutTests/fast/text/Font-destructor-crash.html

<style>
</style>
<script>
  if (window.testRunner) {
      testRunner.dumpAsText();
      testRunner.waitUntilDone();
  }
  onload = () => {
    document.styleSheets[0].insertRule(`body { font: caption; }`);
    document.styleSheets[0].insertRule(`body { transition-duration: 200ms; }`);
    document.body.append(`\ue000`);
    setTimeout(() => {
      if (window.testRunner)
          testRunner.notifyDone();
    }, 100);
  };
</script>
This test passes if it doesn't crash.