System Information
Win7x64 GTX 660M
Blender Version
Broken: 2.76 official, recent buildbot 2.76.3
Short description of error
There is a triangulated wire overlay when using vieport material draw mode + transparencey in object properties + cycles material with transparency + alpha blend mode in material setting... just open blend file
box on the left have transparency in object properties disabled
Exact steps for others to reproduce the error
open attached blend file{F264044}
