<html><head> <title>Testcase bug 364220 - [reflow branch][columns] Crash [@ nsLineLayout::ReflowFrame] using moz-column-count, floats, generated content and first-line</title> <style> body > span::first-line { } span::before { content:"before text"; border:3px solid black;} </style> </head> <body> <span style=" float: left; -moz-column-count: 2;"> <span style="float: right;"> <span style=" float: right;-moz-column-count: 2;"></span> </span> </span> </body> </html>