LayoutTests/fast/text/simple-text-and-image-append-with-br.html

<style>
img {
  width: 20px;
  height: 20px;
  background-color: green;
}
</style>
<div id=container>existing content<br></div>
<script>
for (let i = 0; i < 100; ++i) {
  container.appendChild(document.createElement("img"));
  container.appendChild(document.createTextNode("some"));
  container.appendChild(document.createElement("img"));
  container.appendChild(document.createTextNode("and"));
  container.appendChild(document.createElement("img"));
  container.appendChild(document.createTextNode("text"));
  container.appendChild(document.createElement("br"));
  document.body.offsetHeight;
}
</script>