Steps to reproduce:
1. Open QA-attached project (Repro.zip)
2. Open "New Shader Graph" Shader Graph
3. Dock the Shader Graph window anywhere

Reproduced in: 2019.1.0f2, 2019.2.0a11
Not reproduced in: 2018.3.13f1

Note: Might require multiple tries of docking
Only reproduces on Vulkan

Shader Graph 4.10.0, HDRP 4.10.0 Unity 2018.3.13f1 : Could not reproduce

2019.2.0a11:
Shader Graph 5.7.2, HDRP 5.10.0: "Throws a lot of GL.End requires material.SetPass before!" errors, crashes
Shader Graph 5.10.0, HDRP 5.10.0: Unity freezes
Shader Graph 5.1.0, HDRP 5.10.0: crashes

Shader Graph 5.9.0, HDRP 5.9.0: Crashes
Shader Graph 5.6.1, HDRP 5.6.1: Crashes
Shader Graph 5.1.0, HDRP 5.1.0: Shader Graph does not render
Shader GrAph 5.2.3, HDRP 5.2.3: Shader Graph does not render