Reproduction steps:

1. Open "frame debugger black screen.zip" project
2. "Window" -> "Frame Debugger"
3. Enable the Frame Debugger
4. Select "Draw Mesh Cube" -> "Preview"
5. Select "MoonRenderPipelineAsset"
6. Check "Blit With Command Buffer"

Expected Result: The Cube should be rendered the same as with "Graphics.Blit()"
Actual Result: The entire Game view becomes black

Reproduced with: 2017.3.0a7, 2017.3.0a4, 2017.2.0b11, 2017.1.1p2, 2017.1.0f3
Did not reproduce on: 2017.3.0b1, 5.6.3p3

Note:
Could reproduce on 2017.3.0b1 and 5.6.3p3 because of script errors.