ModuleReferenceImpl has no toString

[Alan Bateman]

On 24/01/2017 21:07, Remi Forax wrote:

> Hi all,
> This is a regression introduced in b149 i believe,
> jdk.internal.module.ModuleReferenceImpl has no toString() which makes the debugging of a configuration harder than it should.
>
> I believe the toString() can be added to ModuleReference given this is an abstract class.
>
Yes, fair point, it would be useful for the ModuleReference 
implementations to have a useful toString.

-Alan