mozilla-release/gfx/tests/crashtests/1505426-1.html

<html>

<head>
  <script>
    function start() {
      canvas = document.getElementById('canvas')
      context = canvas.getContext('2d')
      canvas.setAttribute('x', 800)
      setTimeout(function() {
        context.fillText('i', 158, 156, 206)
      }, 0)
      context.setTransform(0, 1, 19, 1, 0.0989504886744, 0)
    }
    document.addEventListener('DOMContentLoaded', start)
  </script>

</head>

<body>
  <canvas id='canvas'></canvas>
</body>

</html>