vbscript: Fix for unchecked memory access.
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@ -1827,7 +1827,7 @@ static HRESULT Global_InStrRev(vbdisp_t *This, VARIANT *args, unsigned args_cnt,
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assert(2 <= args_cnt && args_cnt <= 4);
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assert(2 <= args_cnt && args_cnt <= 4);
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if(V_VT(args) == VT_NULL || V_VT(args+1) == VT_NULL || V_VT(args+2) == VT_NULL)
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if(V_VT(args) == VT_NULL || V_VT(args+1) == VT_NULL || (args_cnt > 2 && V_VT(args+2) == VT_NULL))
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return MAKE_VBSERROR(VBSE_ILLEGAL_NULL_USE);
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return MAKE_VBSERROR(VBSE_ILLEGAL_NULL_USE);
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hres = to_string(args, &str1);
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hres = to_string(args, &str1);
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