Implicit conversion to base interface doesn't work inside initialization of AA of objects

[bearophile via Digitalmars-d]

> interface IBase {}
> class Impl(T): IBase {
>     T value;
> }
> void main() {
>     IBase a = true ? (new Impl!uint) : (new Impl!string);
> }

I have added a note:
https://issues.dlang.org/show_bug.cgi?id=3543

Bye,
bearophile