refInt = ref int: how to achieve this? or is this a bug?

[MoonlightSentinel]

On Wednesday, 17 June 2020 at 22:09:35 UTC, mw wrote:
> and can you see the beauty of this symmetry?  :-)

Try

int main()
{
     typedef int* ptrInt;
     ptrInt arr;

     typedef int& refInt;
     refInt[] arr2;
}