Re: [PATCH 0/6] MR9403: vccorlib140: Implement stringification functions.

[Piotr Caban (＠piotr)]

Piotr Caban (@piotr) commented about dlls/vccorlib140/tests/vccorlib.c:
> check_interface(obj, &IID_IInspectable);
>          check_interface(obj, &IID_IPropertyValue);
>
> +        if (!(exp_str = test_cases[i].exp_str))
> +        {
> +            /* For record-like values, __abi_ObjectToString returns the string from GetRuntimeClassName. */
> +            hr = IPropertyValue_GetRuntimeClassName(obj, &name);
> +            todo_wine ok(hr == S_OK, "got hr %#lx\n", hr);
> +            exp_str = WindowsGetStringRawBuffer(name, NULL);

It's probably not safe to call WindowsGetStringRawBuffer if IPropertyValue::GetRuntimeClassName() fails.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9403#note_121333