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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/css-break/firefox-bug-1903652-crash.html - WPT Dashboard Interop Dashboard
<!-- Quirks mode -->
<link rel="author" title="Ting-Yu Lin" href="mailto:tlin@mozilla.com">
<style>
* {
font-size-adjust: 0;
column-width: 0;
vertical-align: 7;
}
</style>
<script>
window.requestIdleCallback(() => {
a.appendChild(b)
})
</script>
<mfrac id="a" style="border-style: solid">
<mo>a</mo>
<mn>a</mn>
<textarea style="float: left">a</textarea>
<sub>
<menu id="b">