From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id DA8F63858C74; Tue, 15 Feb 2022 09:55:42 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org DA8F63858C74 From: "Randy at miningrigrentals dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/98465] Bogus -Wstringop-overread with -std=gnu++20 -O2 and std::string::insert Date: Tue, 15 Feb 2022 09:55:42 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 11.0 X-Bugzilla-Keywords: alias, diagnostic, missed-optimization, patch X-Bugzilla-Severity: normal X-Bugzilla-Who: Randy at miningrigrentals dot com X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: msebor at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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-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: Tue, 15 Feb 2022 09:55:43 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98465 --- Comment #36 from Randy --- (In reply to Jonathan Wakely from comment #35) > As you can see from the commit above, nothing was changed in > __gnu_cxx::vstring (there is no "std_vstring"). Ok then can someone look at __gnu_cxx::vstring, we use this instead as std::string causes segfaults in our code. I'm getting the error as described here but using __gnu_cxx::vstring in gcc-11, and if it can be fixed or is fixed? in newer gcc versions then I can go through the process of upgrading= .=