<html> <head> <style> #b::first-letter { } #c::first-line { } </style> <title>Testcase bug 360599 - Crash [@ nsFrameList::DestroyFrames] with first-letter/first-line css and position: fixed</title> </head> <body> This page should not crash Mozilla <div id="c"> <table> <div id="b" style="display:table-header-group;"> <q> text <div style="position:fixed;"> <q>y</q> </div> </q> </div> <span style="display: table;"></span> </div> </body> </html>