From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 4C7E9385840C; Mon, 13 Dec 2021 15:58:31 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4C7E9385840C From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/101356] The non-public member of a local class cannot be accessed by a friend of the class Date: Mon, 13 Dec 2021 15:58:31 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: rejects-valid X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cf_reconfirmed_on blocked Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Dec 2021 15:58:31 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101356 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed|2021-08-02 00:00:00 |2021-12-13 Blocks| |65608 --- Comment #2 from Andrew Pinski --- When we do friend void ::show(); we get the following warning: : In function 'auto fun()': :5:21: warning: 'void show()' has not been declared within '::' 5 | friend void ::show(); | ^~ :3:10: note: only here as a 'friend' 3 | void show(); | ^~~~ And even this is rejected: namespace A { void show(); } auto fun(){ struct C{ friend void A::show(); private: int c; }; return C{}; } void A::show(){ auto o =3D fun(); o.c =3D 0; } Referenced Bugs: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D65608 [Bug 65608] [meta-bug] friend issues=