System Information
Win7 64 Ult
GeForce GTX 580, 1.5GB
Blender Version
Broken: Latest Buildbots (for sure)
Worked: I think it was always broken
Short description of error
The symmetry in Sculpting is broken if you use Clipping Border
Exact steps for others to reproduce the error
Add any object
Go to Sculpting
Enable Symmetry: X
Sculpt. Everything is OK
View > Clipping Border - draw a border only on one side
Sculpt. Symmetry is broken