https://github.com/Microsoft/DirectX-Graphics-Samples/blob/8f68bf07dfd134df3b90e83a63535d053bae9a8a/Libraries/D3D12RaytracingFallback/src/FallbackLayerUnitTests/DynamicIndexTest.hlsl Compute shader entry points need to have something like the following before their declaration: [numthreads( 8, 8, 1 )]
https://docs.microsoft.com/en-us/windows/desktop/direct3dhlsl/d3d11-graphics-reference-sm5-attributes
<rdar://problem/44403004>
*** Bug 189384 has been marked as a duplicate of this bug. ***
Created attachment 350534 [details] Patch
Committed r236390: <https://trac.webkit.org/changeset/236390>
Migrated to https://github.com/gpuweb/WHLSL/issues/66