[PATCH 0/1] MR554: vkd3d-shader: Make *src and *dst mutable in vkd3d_shader_instruction.

[Giovanni Mascellani (＠giomasce)]

They were originally made const because no optimization/normalization
pass existed. Now having to cast away const all the time is becoming
more and more burdening.

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https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/554