LayoutTests/fast/block/float/float-in-descendant-formatting-context.html - WebKit - Git at Google

 <!DOCTYPE html>
 <html>
 <body>
 <div style="overflow: hidden"><span></span><div style="float: left; width: 10px; height: 10px;"></div></div>
 </body>
 </html>
	<!DOCTYPE html>
	<html>
	<body>
	<div style="overflow: hidden"><span></span><div style="float: left; width: 10px; height: 10px;"></div></div>
	</body>
	</html>