Pixelated trees flickering between different render states

[skuzzbag 0]

This is still exactly the same problem as before with the latest version.
http://images.akamai.steamusercontent.com/ugc/396674242367726135/A98067738282FEABA5C6B368925094768AA77361/
The linked image is from the highest render setting

4GB Radeon R9 270X
16Gb RAM
Intel i5 2500