ID 384544 - UV View turns black with Arnold Surface Shader connected

Problem summary
UV View turns black with Arnold Standard Surface Shader connected and User Shader enabled

This also effects the lighting modes for the Arnold Standard Surface shader: Full, Basic, Flat

Customer reported version
4.5v2

Customer reported platform
Unknown.

Steps to reproduce

1. Create an Arnold Standard Surface Shader
2. Check your UV View (with or without a Channel connected to it)
3. Compare setting your lighting to Current Channel and to User Shader

Expected behaviour
To be able to see your materials/layers in the UV view

Actual behaviour:

Unable to see your materials/layers in the UV view with User Shader active

Workaround:

Paint with Current Channel system shader

Reproduced by support
This bug has been reproduced in:

4.5v2 - Windows 10 - CentOS7 

4.5v1 - Windows 10 - CentOS7 

Earliest version tested

4.5v1 - This feature did not exist before this version