<!DOCTYPE html>
<html>
<head>
<title>This tests that rounded rect on subpixel position stays renderable.</title>
<style>
  div {
    width: 20px;
    height: 20px;
    background-color: red;

    margin-top: -0.5px;
    border-bottom-left-radius: 20px;
  }
</style>
</head>
<body>
  <div></div>
</body>
</html>