From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 86AC03858C29; Mon, 5 Feb 2024 18:54:41 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 86AC03858C29 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1707159281; bh=R0bxb+oIYn1qZxpeeIMIlsKEUqu8Ocv5jQ/0wecl0N4=; h=From:To:Subject:Date:In-Reply-To:References:From; b=EoOClfnq764xw9lfyyfn4BX/7PQhPcKz0keg6H+msdiFRCvlQ9N1P2aaPch07xLXl XKR7cSmN8qg5QD6VbCQQh32FVxRuRuhxn5rYqITASiwLccJ8fUnhp6VYO6iqmOkSYP JT+Vs/ohhY6pL69PKRovu7mhJA0hSPlDfm199eKg= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113775] Bogus Wstringop-overflow in __atomic_load_n combined with sanitizer flags Date: Mon, 05 Feb 2024 18:54:41 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Version: 13.2.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia 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: 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113775 --- Comment #1 from Andrew Pinski --- See https://gcc.gnu.org/onlinedocs/gcc-13.2.0/gcc/Instrumentation-Options.html#= index-fsanitize_003dundefined=20 Note that sanitizers tend to increase the rate of false positive warnings, = most notably those around -Wmaybe-uninitialized. We recommend against combining -Werror and [the use of] sanitizers.=