From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29804 invoked by alias); 27 Aug 2014 06:24:30 -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 29765 invoked by uid 48); 27 Aug 2014 06:24:22 -0000 From: "juchem at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/62277] New: [C++11] constexpr member methods are treated as const, regardless of const modifier Date: Wed, 27 Aug 2014 06:24:00 -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: 4.9.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: juchem 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: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-08/txt/msg01822.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D62277 Bug ID: 62277 Summary: [C++11] constexpr member methods are treated as const, regardless of const modifier Product: gcc Version: 4.9.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: juchem at gmail dot com The following code fails to compile. Tested in Debian sid (g++ 4.8.3-9 and 4.9.1-9) and in http://ideone.com (gcc 4.8.1). Defining CONSTEXPR to an empty macro compiles and runs successfully. ---------------------------------------------- #include #define CONSTEXPR constexpr struct foo { CONSTEXPR char const *bar() const { return "const"; } CONSTEXPR char const *bar() { return "non-const"; } }; int main() { foo f; std::cout << f.bar() << std::endl; foo const b; std::cout << b.bar() << std::endl; return 0; } ---------------------------------------------- output:=20 prog.cpp:7:24: error: =E2=80=98constexpr const char* foo::bar() const=E2=80= =99 cannot be overloaded CONSTEXPR char const *bar() { return "non-const"; } ^ prog.cpp:6:24: error: with =E2=80=98constexpr const char* foo::bar() const= =E2=80=99 CONSTEXPR char const *bar() const { return "const"; } gcc versions in debian: $ g++-4.8 --version g++-4.8 (Debian 4.8.3-9) 4.8.3 Copyright (C) 2013 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. $ g++-4.9 --version g++-4.9 (Debian 4.9.1-9) 4.9.1 Copyright (C) 2014 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. >>From gcc-bugs-return-459326-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org Wed Aug 27 06:41:31 2014 Return-Path: Delivered-To: listarch-gcc-bugs@gcc.gnu.org Received: (qmail 6498 invoked by alias); 27 Aug 2014 06:41:31 -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 6429 invoked by uid 48); 27 Aug 2014 06:41:26 -0000 From: "amker at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/62265] [4.8/4.9/5 regression] FAIL: gcc.dg/20111227-2.c scan-rtl-dump ree "Elimination opportunities = 3 realized = 3" Date: Wed, 27 Aug 2014 06:41:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 5.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: amker 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: 4.8.4 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_status cf_reconfirmed_on cc everconfirmed Message-ID: In-Reply-To: References: 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: 2014-08/txt/msg01823.txt.bz2 Content-length: 548 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62265 amker at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2014-08-27 CC| |amker at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from amker at gcc dot gnu.org --- Confirmed on many arm/aarch64 triplets.