System Information
Windows 8 64bit, GeForece GTX 680 and geForce GTX 560 TI
Blender Version
Broken: (2.71 a8233d7 )
Worked: (2.70.5 e740afe)
Short description of error
When object is scaled by minus then it's renders really dark, normally i didn't treat this as a bug but it works in old version
Exact steps for others to reproduce the error
- scale cube by -1;
- try to render it;
sample file: