On Fri, Sep 30, 2016 at 1:39 PM, Nathan Sidwell <nat...@acm.org> wrote:
> PR 66443 concerns C++14 DR1611. It is now permitted to use the base-ctor of
> an abstract class whos complete ctor is deleted because of a virtual base
> issue. Specifically, given
>
> class A {
> A (int);
> // no default ctor in C++14
> };
>
> class B : virtual A {
> virtual void Foo () = 0; // abstract
> // B::B deleted because there's no A::A()
But DR 1658 says that B::B is *not* deleted (because A is not a
potentially constructed subobject). Implementing that might be
simpler than trying to have a deleted complete and non-deleted base
constructor variant.
Jason
