Grass draws on landscape holes

Grass output in materials draws over masked locations, such as landscape visibility holes.

1. Open Editor (QAGame)
2. Create new Landscape
3. Create new material
4. Create material in attached image
5. Assign any grass type to landscape grass output
6. Assign landscape material to landscape and hole material in landscape's details pane
7. In paint mode, assign weight blended layers
8. paint some of each layer until foliage appears on landscape
9. Switch to sculpt mode>visiblity
10. paint a hole under the foliage

Results:

Hole is painted, foliage appears to remain in place over hole material

Expected:

Hole is painted, foliage disappears from over the masked area.

Sampled Foliage is drawn on holes in Landscape

Grass draws onto holes in landscape