Vector features disappear completely as you zoom in

Vector features disappear completely at high zoom levels.

To reproduce:

1. Go to http://openlayers.github.com/ol3/master/examples/vector-layer.html
2. Zoom into the Mexican / American border at Pacific coast.
3. Observe that features disappear as you zoom in:
![vector-zoom-bug1](https://f.cloud.github.com/assets/6942/280398/e707b0cc-9155-11e2-9553-928be39aaaca.jpg)
![vector-zoom-bug2](https://f.cloud.github.com/assets/6942/280399/eaf8ecb4-9155-11e2-9eaf-6652076edd06.jpg)
![vector-zoom-bug3](https://f.cloud.github.com/assets/6942/280400/ee10b526-9155-11e2-8701-557253a6f230.jpg)
![vector-zoom-bug4](https://f.cloud.github.com/assets/6942/280401/f1527e72-9155-11e2-866b-beff8a897536.jpg)