Re: [PATCH v3 0/5] MR781: Avoid HLSL_CLASS_OBJECT, part 4.

[Giovanni Mascellani (＠giomasce)]

Giovanni Mascellani (@giomasce) commented about libs/vkd3d-shader/d3dbc.c:
>          return D3DXPC_STRUCT;
>      case HLSL_CLASS_VECTOR:
>          return D3DXPC_VECTOR;
> -
>    default:
> -
>        ERR("Invalid class %#x.\n", type->class);
> -
>        vkd3d_unreachable();
> -
>    case HLSL_CLASS_VOID:
> -
>        /* This shouldn't happen. */

Is the comment useful? Doesn't the following `vkd3d_unreachable()` already convey that information?

Also, could you please add a `break`? clang seems to be touchy about it:
```
../libs/vkd3d-shader/d3dbc.c:1521:30: error: label at end of compound statement: expected statement
        case HLSL_CLASS_VOID:
                             ^
                              ;
1 error generated.
make[1]: *** [libs/vkd3d-shader/libvkd3d_shader_la-d3dbc.lo] Error 1
```