<script>
  if (window.testRunner)
      testRunner.dumpAsText();

  let cdata = new Document().createCDATASection('');
  if (window.GCController) {
      GCController.collect();
  } else {
      for (let i = 0; i < 25; i++) {
          new ArrayBuffer(2 ** i);
      }
  }
  cdata.splitText(0).ownerDocument.fonts;
</script>
PASS