[Bug c++/96673] [8/9/10/11 Regression] Friend class with templates and default constructor not recognized in C++14 or later

["cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96673

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jason Merrill <jason@gcc.gnu.org>:

https://gcc.gnu.org/g:de03b82f3ca9103eba3699d1dc91b1d0ee1f16cb

commit r11-8018-gde03b82f3ca9103eba3699d1dc91b1d0ee1f16cb
Author: Jason Merrill <jason@redhat.com>
Date:   Tue Apr 6 15:13:02 2021 -0400

    c++: access checking in aggregate initialization [PR96673]

    We were deferring access checks while parsing B<int>{}, didn't adjust that
    when we went to instantiate the default member initializer for B::c,
    deferred access checking for C::C, and then checked it after parsing
    B<int>{}, back in the main() context which has no access.  We need to do
the
    access checks in the class context of the DMI.

    I tried fixing this in push_to/pop_from_top_level, but that caused several
    regressions.

    gcc/cp/ChangeLog:

            PR c++/96673
            * init.c (get_nsdmi): Don't defer access checking.

    gcc/testsuite/ChangeLog:

            PR c++/96673
            * g++.dg/cpp1y/nsdmi-aggr13.C: New test.