1. Open the attached "ReproProject" and "repro" scene
2. Observe the "Train" and "Floor" GameObjects, notice that they use custom shader from "Curved World" package
3. Observe the "Train" GameObject in Scene/Game view and notice its shadow position

Expected result: The shadow is right under the "Train" GameObject
Actual Result: The shadow of the cube is far away from the "Train" GameObject

Regression introduced in - 2017.2.0b2
Reproducible with - 2017.2.0b3, 2017.2.0b2
Not reproducible with - 2017.2.0b1, 2017.1.0f3, 5.6.2p4

Fixed in 2017.2.0b4