How to reproduce:
1) Open the project and create a Standalone Build
2) Run the game
3) Click the button in the bottom right of the screen. This will load the "Instancing Enabled" scene with a terrain prefab that has the "Draw Instancing" flag enabled. Observe that there is no terrain visible.
4) Click the button in the bottom right to toggle between the scenes to observe the differences

Reproducible with: 2018.3.0a4, 2018.3.11f1, 2019.1.0b9, 2019.2.0a7
Not reproducible with - 2017.4.24f1, 2018.3.0a3 (No Draw Instanced tickbox)
Fixed in: 2019.2.0a8

Expected result: Terrain is being displayed
Actual result: Terrain is not being displayed