Template method in interfaces

[Arafel via Digitalmars-d-learn]

I'm not sure if the following is even expected to work, since I'm 
not sure how the vtable for the interface would look like (well, 
that would be applicable to any overriden templated method, 
though):

---
public interface I {
	void func(T)(T t);
}

public class C : I {
	void func(T)(T t) {
	}
}

void main() {
	I i = new C();
	i.func(1);
}
---

But since the error I get is in the linker, and not in the 
compiler, I guess that's somehow a bug? Or how should it work 
then?

https://dpaste.dzfl.pl/7a14fa074673

/d31/f76.o: In function `_Dmain': /d31/f76.d:(.text._Dmain+0x24): 
undefined reference to `_D3f761I11__T4funcTiZ4funcMFiZv' 
collect2: error: ld returned 1 exit status --- errorlevel 1

PS: Now I see [1] that it shouldn't, so perhaps the compiler 
should reject templated methods in interfaces from the beginning?

[1]: http://forum.dlang.org/post/jg504s$1f7t$1@digitalmars.com