Re: [PATCH 0/7] MR106: vkd3d-shader/hlsl: packoffset() support.

[Giovanni Mascellani (＠giomasce)]

Giovanni Mascellani (@giomasce) commented about libs/vkd3d-shader/hlsl.y:
> return reservation;
>  }
>
> +static struct hlsl_reg_reservation parse_packoffset(struct hlsl_ctx *ctx, const char *reg_string,
> +        const char *swizzle, const struct vkd3d_shader_location *loc)
> +{
> +    struct hlsl_reg_reservation reservation = {0};
> +
> +    if (!sscanf(reg_string + 1, "%u", &reservation.index))

This is incorrectly accepted:
```
cbuffer buffer
{
    float4 a : packoffset(c1ha_ha_I_shouldnt_be_here_but_sscanf_just_doesnt_care);
    float4 b : packoffset(c2);
}

float4 main() : sv_target
{
    return 100 * a + b;
}
```

-- 
https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/106#note_25876