Versions tested: 2020.1.0b2 + master (9.0.0)

Steps to reproduce:
1) Create a new HDRP scene, create a new Lit (StackLit or other HDRP Shader Graphs) SG material, add it to a object in the scene
2) Go to Window -> Render Pipeline -> Render Pipeline Debug -> Material
3) In Common Material Properties select normals (or anything else)
4) Observe console errors and that objects with SG materials turned pink

Error: "Shader error in 'Shader Graphs/StackLit': unrecognized identifier 'real3' at /GIT/ScriptableRenderPipeline/com.unity.render-pipelines.core/ShaderLibrary/Debug.hlsl(9) (on d3d11)"