LayoutTests/fast/inline/inline-content-with-ellipsis-after-partial-layout-append-crash.html

<style>
div {
  word-wrap: break-word;
  text-overflow: ellipsis;
  font-size: 13.3px;
  width: 13.3px;
  overflow: hidden;
}
span {
  margin-left: 10px;
}
</style>
<div id=mutate_this>12345 X<script>
  window.testRunner?.waitUntilDone();
  window.testRunner?.dumpAsText();
  document.body.offsetHeight;
  mutate_this.appendChild(document.createElement("span"));
  requestAnimationFrame(() => {
      requestAnimationFrame(() => {
          window.testRunner?.notifyDone();
      });
  });
</script>