How to reproduce:
1. Open the attached project named "TestProject"
2. Open the Test Scene
3. Observe the cube visible in the Scene view
4. Open the Test shader
5. Add the currently used graphics API in line 173 for the excluded_renderers
6. Observe the Scene view again

Expected result: The cube is still rendered as the Forward renderer does not use the 2D pass
Actual result: The cube is not rendered

Reproducible with: 2019.9.4.6f1(7.0.0, 7.4.1), 2020.1.0f1(8.2.0), 2020.2.0a20(10.0.0 - preview.24)
Could not test with: 2018.4.26f1(URP not available)

Notes:
1. Graphics APIs tested: D3D11, D3D12, Vulkan, OpenGLCore