How to reproduce:
1. Open Unity
2. Load user submitted project (There's a slightly smaller download size in comments)
3. Clear excessive and ignoreable errors and warnings from console
4. Investigate Unhandled Exception

Expected result: All errors and warnings disappear
Actual result: Errors and warning are cleared except an Unhandled Exception that cannot be removed

Notes:
User said the issue started occurring after porting the project from Unity 5.3 to 2017.3b5
Issue seems related to 'DXGOShaderConstants.cs' file - once the file is removed, unhandled exception disappears but other errors show up
If we remove files that depend on 'DXGOShaderConstants.cs' file, the exception persists
Deleting RenderQueue class from 'DXGOShaderConstants.cs' file eliminates the exception but also introduces errors.
The issue could be RenderQueue class as changing it's methods or content doesn't affect the unhandled exception.

Note: The issue is also reproducible on the new Scriptpting Runtime (.Net 4.6 equivalent)

Reproducible with - 5.5.0a6, 5.5.5f1, 5.6.0a1, 5.6.3p4, 2017.1.0a1, 2017.1.2f1, 2017.2.0a1, 2017.2.0f3, 2017.3.0a1, 2017.3.0b5, 2018.1.0a1, 2018.1.0a5

Verified in: 2018.3.0a2