<html><head> <title>Testcase bug - Crash [@ nsHTMLReflowState::GetNearestContainingBlock] with display: -moz-box, generated content, positioning and fieldset</title> <style> small::before { content: "m m";} strike::before { content: "m m";} </style> </head> <body> <div style="display: -moz-box;"> <strike style="overflow: -moz-hidden-unscrollable; position: absolute;"></strike> <fieldset style="position: relative;"> <strike style="overflow: -moz-hidden-unscrollable; position: absolute;"><small style="position: relative;"> <span style="position: absolute;"></span> </small> </strike> </fieldset> </div> </body> </html>