From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D3144398B156; Fri, 23 Oct 2020 15:16:05 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D3144398B156 From: "nathan at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/97549] New: include/pstl rebase breaking Date: Fri, 23 Oct 2020 15:16:05 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libstdc++ X-Bugzilla-Version: 10.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: nathan at gcc dot gnu.org 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 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, 23 Oct 2020 15:16:05 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97549 Bug ID: 97549 Summary: include/pstl rebase breaking Product: gcc Version: 10.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: libstdc++ Assignee: unassigned at gcc dot gnu.org Reporter: nathan at gcc dot gnu.org Target Milestone: --- I'm seeing compilation errors of a file that just contains: #include following=20 * e957b86ca26 2020-10-21 | libstdc++: Rebase include/pstl to current upstre= am [Thomas Rodgers] /data/users/nathans/me/r-e957b86ca26/obj/x86_64/gcc/testsuite/g++/../../xg++ -B/data/users/nathans/me/r-e957b86ca26/obj/x86_64/gcc/testsuite/g++/../../= =20=20=20=20 -g -I/data/users/nathans/me/r-e957b86ca26/src/gcc/testsuite/../../libsanitizer= /include -fdiagnostics-plain-output -nostdinc++ -I/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libst= dc++-v3/include/x86_64-pc-linux-gnu -I/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libst= dc++-v3/include -I/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/libsupc++ -I/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/backward -I/data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/testsuite/util -fmessage-length=3D0 -O2=20=20=20=20=20=20=20 -L/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/./lib= stdc++-v3/src/.libs -B/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/./lib= stdc++-v3/src/.libs -L/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/./lib= stdc++-v3/src/.libs -B/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/./lib= itm/ -L/data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/./lib= itm/.libs -lm -c xtreme-header-2_a.C In file included from /data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/parallel= _backend.h:14, from /data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/algorith= m_impl.h:22, from /data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc= ++-v3/include/pstl/glue_execution_defs.h:50, from /data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc= ++-v3/include/execution:32, from xtreme-header-2_a.C:5: /data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/parallel= _backend_serial.h:134:25: error: '__serial' is not a namespace-name; did you mean '__internal'? In file included from /data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/algorith= m_impl.h:22, from /data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc= ++-v3/include/pstl/glue_execution_defs.h:50, from /data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc= ++-v3/include/execution:32, from xtreme-header-2_a.C:5: /data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/parallel= _backend.h:17:43: error: 'namespace __pstl::__par_backend =3D __pstl::__pstl::__serial_backen= d;' conflicts with a previous declaration In file included from /data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/parallel= _backend.h:14, from /data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/algorith= m_impl.h:22, from /data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc= ++-v3/include/pstl/glue_execution_defs.h:50, from /data/users/nathans/me/r-e957b86ca26/obj/x86_64/x86_64-pc-linux-gnu/libstdc= ++-v3/include/execution:32, from xtreme-header-2_a.C:5: /data/users/nathans/me/r-e957b86ca26/src/libstdc++-v3/include/pstl/parallel= _backend_serial.h:132:11: note: previous declaration 'namespace __pstl::__par_backend { }' ... more errors follow, it seems parallel_backend.h is being #included twice, with inconsistent settings of _PSTL_PAR_BACKEND_SERIAL and _PSTL_PAR_BACKEND_TBB am I missing something?=