wpt/css/css-pseudo/file-selector-button-display-toggle-crash.html at master · web-platform-tests/wpt · GitHub

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<!doctype html>
<title>Shouldn't assert when re-creating a ::file-selector-button pseudo-element after it being display: none</title>
<link rel="help" href="https://github.com/w3c/csswg-drafts/issues/5049">
<style>
  .tweak::file-selector-button {
    display: none;
  }
</style>
<input type="file">
<script>
  let input = document.querySelector("input");
  input.getBoundingClientRect().top;
  input.classList.add("tweak");
  input.getBoundingClientRect().top;
  input.classList.remove("tweak");
</script>