<!DOCTYPE html>
<html>
<head>
  <style type="text/css">
    .box {
      height: 100px;
      width: 100px;
      background: no-repeat -webkit-repeating-linear-gradient(red, blue, green 0);
    }
  </style>
</head>
<body>
  <!-- This test should not hang. You should see a green square. -->
  <div class="box"></div>
</body>
</html>