Open 3D HDRP project, there will be multiple warnings in PathTracingMain
Found on 2023.3.0a18 and a19
One of them:
Shader warning in 'PathTracingMain': parameter 'pdf' is uninitialized when used here [-Wparameter-usage] at D:/Projects/Trash/errorTest/Library/PackageCache/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/PathTracing/Shaders/PathTracingLight.hlsl(513) (on d3d11)