chromium/third_party/blink/web_tests/virtual/text-antialias/text-large-negative-letter-spacing-with-opacity.html

<script>
if (window.testRunner)
    testRunner.dumpAsText();
</script>
<p>Test case for 
<a href="https://bugs.webkit.org/show_bug.cgi?id=26088" 
   >https://bugs.webkit.org/show_bug.cgi?id=26088</a>, 
which would crash the chromium port. If the browser does not crash, you should
see an partially-transparent "world" on the next line.</p>
<p style="opacity: 0.5"><span style="letter-spacing: -1000em" 
  >Hello</span>world</p>