Re: [PATCH v3 0/1] MR10362: vbscript: Support chained call syntax like dict.Keys()(i).

[Jacek Caban (＠jacek)]

Jacek Caban (@jacek) commented about dlls/vbscript/interp.c:
> const unsigned arg_cnt = ctx->instr->arg1.uint;
> -    VARIANT res, *v;
> +    VARIANT res = {0}, *v;
>      HRESULT hres;
>
> TRACE("\n");
>
> v = stack_pop(ctx);
>      hres = variant_call(ctx, v, arg_cnt, &res);
> +    if(SUCCEEDED(hres) && V_VT(&res) == (VT_BYREF|VT_VARIANT)) {
> +        VARIANT tmp;
> +        V_VT(&tmp) = VT_EMPTY;
> +        hres = VariantCopyInd(&tmp, &res);
> +        if(SUCCEEDED(hres))
> +            res = tmp;
> +    }

While it seems that we should indeed do that in this case, there are more cases with the same problem. Could we do that in `variant_call`, or even in `disp_call`, instead?

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https://gitlab.winehq.org/wine/wine/-/merge_requests/10362#note_133463