<!DOCTYPE html>
<html class="test-wait">
<link rel="author" title="Vladimir Levin" href="mailto:vmpstr@chromium.org">
<meta name="assert" content="Removing elements under hidden subtrees doesn't crash">

<p id="parent"><q><svg><marker display="list-item"><hr><object id="inner">
<style>
q {
  content-visibility: hidden;
}
</style>
<script>
  onload = () => {
    document.getElementById("parent").hidden = true;
    var test = document.getElementById("inner").border;
    document.getElementById("parent").textContent = undefined;

    requestAnimationFrame(() => document.documentElement.classList.remove('test-wait'));
  }
</script>