Re: [PATCH 0/2] MR421: spirv: Remove some code no longer used after I/O normalization.

[Henri Verbeet (＠hverbeet)]

> Subject: [PATCH 1/2] vkd3d-shader/spirv: Remove the no longer used
>  spirv_compiler_emit_hull_shader_barrier().

It's true that this is effectively unused now, but it's not clear to me that we have an equivalent barrier anywhere. I.e., does this being unused indicate a (potentially hard to debug) bug, instead of simply being some leftover code?