From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id E94953842423; Thu, 12 May 2022 11:28:41 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E94953842423
From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/105562] [12 Regression]
 std::function<bool(char)>::_M_invoker may be used uninitialized in std::regex
 move with -fno-strict-aliasing
Date: Thu, 12 May 2022 11:28:41 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: libstdc++
X-Bugzilla-Version: 12.1.0
X-Bugzilla-Keywords: diagnostic, missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: rguenth at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 12.2
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: cf_known_to_fail cf_known_to_work short_desc
Message-ID: <bug-105562-4-SM2eEMQWfq@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-105562-4@http.gcc.gnu.org/bugzilla/>
References: <bug-105562-4@http.gcc.gnu.org/bugzilla/>
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 <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Thu, 12 May 2022 11:28:42 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105562

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |12.1.0
      Known to work|                            |11.3.0, 13.0
            Summary|std::function<bool(char)>:: |[12 Regression]
                   |_M_invoker may be used      |std::function<bool(char)>::
                   |uninitialized in std::regex |_M_invoker may be used
                   |move with                   |uninitialized in std::regex
                   |-fno-strict-aliasing        |move with
                   |                            |-fno-strict-aliasing

--- Comment #14 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk sofar.=