gecko-dev/dom/html/crashtests/1281972-1.html

<!DOCTYPE html>
<meta charset="UTF-8">
<body onload="window[0].document.forms[0].submit();">
<iframe src="data:text/html;charset=UTF-8,<form accept-charset=HZ-GB-2312>"></iframe>
</body>
Bug 1281972 - Filter out encodings that map to the replacement encoding when processing <form accept-charset>. r=emk. MozReview-Commit-ID: FuodU7ckiPS --HG-- extra : rebase_source : fd5053ffa1349d424d05800d014f856dbd6690c2 2016-07-12 15:38:13 +03:00			`<!DOCTYPE html>`
			`<meta charset="UTF-8">`
			`<body onload="window[0].document.forms[0].submit();">`
			`<iframe src="data:text/html;charset=UTF-8,<form accept-charset=HZ-GB-2312>"></iframe>`
			`</body>`