LayoutTests/fast/css/container-style-editability-crash.html

<style>
    body {
        container-type: size;
    }

    div {
        padding-block-start: 1px;
    }
</style>
<script>
  if (window.testRunner)
    testRunner.dumpAsText();
  onload = () => {
    document.execCommand('SelectAll');
  };
  onbeforeunload = () => {
    d.hidden = true;
    d.remove();
  };
</script>
<div id="d"></div>
<input>
This test passes if it doesn't crash.