chromium/third_party/blink/web_tests/svg/filters/feFlood-rgba-flood-color-w-opacity-2.svg

<svg xmlns="http://www.w3.org/2000/svg">
  <filter id="rgba-flood" x="0" y="0" width="1" height="1"
          color-interpolation-filters="sRGB">
    <feFlood flood-color="rgba(255,0,0,0.4)" flood-opacity="0.5"/>
  </filter>
  <rect fill="#00ff00" width="100" height="100"/>
  <rect filter="url(#rgba-flood)" width="100" height="100"/>
</svg>