From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 4994 invoked by alias); 13 Nov 2014 09:57:01 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 4677 invoked by uid 48); 13 Nov 2014 09:56:56 -0000 From: "trippels at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug driver/63837] [5 Regression] r217391 causes kernel build errors with GCC_COMPARE_DEBUG=1 Date: Thu, 13 Nov 2014 09:57:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: driver X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: trippels at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 5.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status 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-SW-Source: 2014-11/txt/msg01103.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D63837 Markus Trippelsdorf changed: What |Removed |Added ---------------------------------------------------------------------------- Status|WAITING |NEW --- Comment #5 from Markus Trippelsdorf --- Here's a testcase: markus@x4 tmp % GCC_COMPARE_DEBUG=3D1 gcc -Wpointer-sign -c -x c /dev/null cc1: fatal error: input file =E2=80=98/dev/null=E2=80=99 is the same as out= put file compilation terminated. gcc: error: during -fcompare-debug recompilation markus@x4 tmp % GCC_COMPARE_DEBUG=3D0 gcc -Wpointer-sign -c -x c /dev/null (4.9 is fine) markus@x4 tmp % GCC_COMPARE_DEBUG=3D1 gcc -Wpointer-sign -c -x c /dev/null markus@x4 tmp % >>From gcc-bugs-return-466632-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Thu Nov 13 10:33:47 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 9177 invoked by alias); 13 Nov 2014 10:33:46 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Delivered-To: mailing list gcc-bugs@gcc.gnu.org Received: (qmail 9157 invoked by uid 48); 13 Nov 2014 10:33:42 -0000 From: "reagentoo at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/63849] New: [4.9/5.0 Regression] ICE on variadic alias template with wrappers Date: Thu, 13 Nov 2014 10:33:00 -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: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: reagentoo at gmail dot com X-Bugzilla-Status: UNCONFIRMED 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 Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-11/txt/msg01104.txt.bz2 Content-length: 1698 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63849 Bug ID: 63849 Summary: [4.9/5.0 Regression] ICE on variadic alias template with wrappers Product: gcc Version: 5.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: reagentoo at gmail dot com The following invalid (or perhaps invalid, I think) code snippet triggers an ICE in GCC 4.9.2 and 5.0.0 (20141111): ================================================ template using First = _T; // we should not use this // alias with only // one pack parameter (?) template