layout/style/crashtests/1161320-1.html

<!doctype html>
<html class="reftest-wait">
<head>
<meta charset=utf-8>
<style>
@keyframes a { }
body {
  animation-name: a;
}
</style>

<script>
function boom()
{
  var body = document.body;
  body.style.animationPlayState = 'paused';
  window.getComputedStyle(body).animationPlayState;
  body.style.animationPlayState = 'running';
  document.documentElement.removeAttribute("class");
}
</script>
</head>

<body onload="setTimeout(boom, 100);"></body>
</html>