Chunks don't load when multithreaded_renderer is off

options.txt :

gfx_multithreaded_renderer:0

Steps to Reproduce:
1. Go to the options.txt in the Minecraft folder.
2. Set gfx_multithreaded_renderer from 1 to 0 [gfx_multithreaded_renderer:0]
3. Start Minecraft and join any world/server.

Observed Results:
The world is now invisible/transparent.

Expected Results:
The world is not invisible/transparent.