<!DOCTYPE> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Opacity on inline</title> <style type="text/css" media="screen"> #fader { -webkit-transition: opacity 1s; border: 1px solid black; } .faded { opacity: 0.5; } </style> <script type="text/javascript" charset="utf-8"> if (window.testRunner) testRunner.dumpAsText(); window.addEventListener('load', function() { var testSpan = document.getElementById('fader'); testSpan.className = 'faded'; }, false); </script> </head> <body> <p>This should not assert in debug builds</p> <span id="fader">Opacity fade on inline</span> <div style="transform: translateZ(0)"> <!-- throw the page into compositing mode --> </div> </body> </html>