Ubuntu 14.04 / Windows 7 / GTX 760
Broken: (example: 2.74 rc3 8804e64)
Worked: (2.73, 2.74 rc2)
Short description of error
Subsurface scattering is black in the 2.74 RC3 release, both on Linux and Windows.
Exact steps for others to reproduce the error
Make a Cycles material with Subsurface scattering node.
SSS render of this file is working fine on 2.74 RC2 and 2.73 but not in 2.74 RC3: the material is black.