dom/base/crashtests/1029710.html

   1 <!DOCTYPE html>
   2 <html>
   3 <body>
   4 <script>
   5   var x = document.createElement('span');
   6   x.attachShadow({ mode: "open" });
   7   x.id = 'a';
   8 </script>
   9 </body>
  10 </html>
  11