From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C876838378C4; Thu, 15 Dec 2022 17:50:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C876838378C4 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1671126600; bh=zL1hebHJaniITCvFZlHz3wcTF8rWZ34abhdP8idIWI8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=y7Czy572ylgHRqzoh7mUk7p1HJVvbTv/70z2gNcvA8O1YSZg7ljX0PDy8M7zibciy 2Ma0B/WRiMlH/HCD1My9Gmbg1UPCaJNHLDUJzu8DTA7Piun4zQbdE3Sp8XY+wT1aLn a0+084ZoIIodWlI3Um+hSUFPUUYTBjYRe3DmgXj4= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/108127] FP due to combination of -Warray-bounds and UBSAN Date: Thu, 15 Dec 2022 17:49:59 +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: unknown 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=3D108127 --- Comment #1 from Andrew Pinski --- >From the new documentation: https://gcc.gnu.org/onlinedocs/gcc/Instrumentation-Options.html#index-fsani= tize_003dundefined "Note that sanitizers tend to increase the rate of false positive warnings, most notably those around -Wmaybe-uninitialized. We recommend against combi= ning -Werror and [the use of] sanitizers. "=