CWG Issue 500 (original) (raw)

This is an unofficial snapshot of the ISO/IEC JTC1 SC22 WG21 Core Issues List revision 118e. See http://www.open-std.org/jtc1/sc22/wg21/ for the official list.

2025-11-05

500. Access in _base-specifier_s of friend and nested classes

Section: 11.8.4 [class.friend]Status: CD1Submitter: Andreas HommelDate: 25 Jan 2005

[Voted into WP at the October, 2006 meeting.]

I don't know the reason for this distinction, but it seems to be surprising that Base::A is legal and D is illegal in this example:

class D;
class Base
{
    class A;
    class B;
    friend class D;
};
class Base::B
{
};
class Base::A : public Base::B  // OK because of issue 45
{
};
class D : public Base::B        // illegal because of 11.4p4
{
};

Shouldn't this be consistent (either way)?

Notes from the April, 2005 meeting:

In discussing issue 372, the CWG decided that access in the _base-specifier_s of a class should be the same as for its members, and that resolution will apply to friend declarations, as well.

Proposed resolution (October, 2005):

This issue is resolved by the resolution of issue 372.