Can't seem to call super constructor if it's a template

[Nils Lankila]

On Monday, 10 August 2020 at 18:37:06 UTC, Andrei Alexandrescu 
wrote:
> class A {
>     this(T)() {}
> }
>
> class B : A {
>     this() { super!int(); }
> }
>
> Error: found ! when expecting ; following statement
>
> That should work, shouldn't it?

I'm not sure. A problem for example is that the class 
constructors must have a physical address for TypeInfoClass and 
_d_new_class