chromium/third_party/blink/web_tests/external/wpt/svg/animations/animated-classname-crash.svg

<svg xmlns="http://www.w3.org/2000/svg" fill="blue">
  <style>.v { fill: green }</style>
  <g>
    <set attributeName="class" to="v" begin="1s"/>
    <rect width="100" height="100"/>
  </g>
</svg>