I was play on my windows 8.2 laptop and making a pixel art when I changed the chunk rendering and different village houses and other things like that just started to pop up and change it spanned my whole world and I got a video about it as well
Steps to Reproduce:
1. open your video settings
2. Change your chunk rendering higher
3. Exit to game and watch the bug start happening
Environment
Put your operating system (Windows 7, Windows XP, OSX) and Java version if you know it here
Duplicate of MC-62958. Caused by broken/outdated AMD graphics drivers.
For technical support please use the Mojang Support Center.