Start game with render distance about 10-20 (saved before).
Load any world or create new.
Increase render distance for 50%, when the world is loaded.
Go back to the world and look far to East or West. See strange mess or a screeshots.
Increase render distance more and see more mess.
Environment
Ubuntu 14.04
Java 1.7.0_65
x64
Dupe of MC-62958