<html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Testcase bug - 100% cpu usage with binding setting position: fixed in constructor</title> <bindings xmlns="http://www.mozilla.org/xbl"> <binding id="b" inheritstyle="false"> <content> <div xmlns="http://www.w3.org/1999/xhtml" style=" -moz-binding: url(#a);"/> <children/> </content> </binding> <binding id="a"> <implementation> <constructor> this.style.position='fixed'; </constructor> </implementation> <content> <children xmlns="http://www.mozilla.org/xbl"/> </content> </binding> </bindings> </head> <body> <span style="-moz-binding:url();"></span> </body> </html>