LayoutTests/fast/text/partial-line-leading-content-change-crash.html

<style>
div {
  white-space: nowrap;
}
</style>
<div><span id=remove_this></span>
<basefont>
some_text</div><script>
if (window.testRunner)
  testRunner.dumpAsText();
document.body.offsetHeight;
remove_this.remove();
document.execCommand("selectAll", false);
window.getSelection().deleteFromDocument();
document.body.offsetHeight;
document.body.innerText = "PASS if no crash or assert";
</script>