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[HLSL] Static resources should be assignable #166458

@hekota

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@hekota

It should be possible to assign a resource instance into a static resource variable.
Clang currently reports error: assignment to global resource variable 'R' is not allowed.
DXC compiles this fine.

RWStructuredBuffer<float> Array[4][2] : register(u10, space6); RWStructuredBuffer<float> B : register(u1, space5); static RWStructuredBuffer<float> Mine; [numthreads(4,1,1)] void main(uint GI : SV_GroupIndex) { static RWStructuredBuffer<float> MineToo; Mine = Array[2][0]; MineToo = B; Mine[0] = 123; MineToo[0] = 456; } 

https://godbolt.org/z/cd9EG98nM

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