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Test Info: Warnings
- This test gets skipped with pattern: tsan
- Manifest: dom/base/crashtests/crashtests.list
<!DOCTYPE html>
<html>
<head>
    <style>
        * {
            all: initial;
            display: table-row-group !important
        }
    </style>
    <script>
      window.addEventListener('load', () => {
        const mspace = document.getElementById('id_0')
        const tfoot = document.createElement('tfoot')
        const h5 = document.createElement('h5')
        document.documentElement.appendChild(tfoot)
        document.documentElement.appendChild(h5)
        const range = new Range()
        range.setStart(tfoot, NaN)
        setTimeout(async () => selection.extend(h5, Nan), 107)
        const selection = document.getSelection()
        selection.addRange(range)
        selection.modify('move', 'backward', 'character')
        range.surroundContents(mspace)
      })
    </script>
</head>
<mspace id='id_0'></mspace>
<input type='reset'>
</html>