From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 40FAD3858D20; Tue, 15 Mar 2022 16:14:02 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 40FAD3858D20 From: "dimhen at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug sanitizer/104934] -fsanitize=undefined codegen err Date: Tue, 15 Mar 2022 16:14:02 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: sanitizer X-Bugzilla-Version: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dimhen at gmail dot com 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: 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 Mar 2022 16:14:02 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104934 --- Comment #2 from Dmitry G. Dyachenko --- (In reply to Jakub Jelinek from comment #1) > And the bug is? > The S class doesn't have the key method defined, so some other TU needs to > define it and thus provide the vtable and rtti for it. > Without -fsanitize=3Dvptr the typeinfo isn't needed on this particular > testcase and the vtable isn't needed either, which is why you don't get an > undefined symbol in that case and you get it with -fsanitize=3Dvptr or > -fsanitize=3Dundefined that implies that. Thank you, Jakub. So, close as 'INVALID'?=