From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D3322385087F; Fri, 3 Jun 2022 18:12:01 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D3322385087F From: "avemilia at protonmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/105841] New: Change in behavior of CTAD for alias templates Date: Fri, 03 Jun 2022 18:12:01 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: avemilia at protonmail dot com X-Bugzilla-Status: UNCONFIRMED 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: bug_id short_desc product version bug_status bug_severity priority component assigned_to reporter target_milestone attachments.created Message-ID: 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: Fri, 03 Jun 2022 18:12:01 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105841 Bug ID: 105841 Summary: Change in behavior of CTAD for alias templates Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: avemilia at protonmail dot com Target Milestone: --- Created attachment 53080 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D53080&action=3Dedit repro Since GCC 12, this code does not compile: https://godbolt.org/z/sWvh7P4co The code used to compile on GCC 10 and 11. If this is incorrect code, please explain what is wrong.=