Wrong shadows in VirtualTextures after rotations

• Download attached repro project
• Open map and use the command to go to location:

BugItGo -20538.849159 15568.666921 14770.339362 -50.988929 -449.398179 -0.000004

• Observe shadow difference between rotated plane and unrotated plane when
  projected onto RVT below

The following image is the top-view result of placing two identical cubes with a simple material that only draws to a VT. The left cube has the default rotation, while the right one was rotated by 180° around Z-axis.

[Image Removed]