1<!DOCTYPE html> 2 3<html> 4<head> 5 <style type="text/css" media="screen"> 6 .box { 7 width: 100px; 8 height: 100px; 9 background-color: blue; 10 -webkit-transform: translateZ(0); 11 } 12 13 </style> 14</head> 15<body> 16 <div class="box"></div> 17 <p><a href="https://bugs.webkit.org/show_bug.cgi?id=43167">https://bugs.webkit.org/show_bug.cgi?id=43167</a><br> 18 You should not hit an assertion if you load this file in a tab, then switch back and forth between other tabs.</p> 19</body> 20</html> 21