<!DOCTYPE html>
<svg>
  <filter id="f">
    <feMerge style="display: none">
      <feMergeNode/>
    </feMerge>
    <feDiffuseLighting/>
  </filter>
  <rect filter="url(#f)" width="100" height="100"/>
</svg>
<p>PASS if no crash</p>
<script>
if (window.testRunner)
  testRunner.dumpAsText();
</script>