From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 27A333858D38; Tue, 6 Feb 2024 07:51:52 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 27A333858D38 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1707205912; bh=0dnWT82K3RCMNYtOQGIWZpK9bEwYyPi83d2TnoFx72U=; h=From:To:Subject:Date:In-Reply-To:References:From; b=JERVBAuokky12h/qPYpiKdUzgNgaCPZ5QlLLcpkfveiBoA7uFvHhZHhQNL8nuJj3l z+aSqLbn3nU3JPnmkCQ4Nj2AX8vielgKAN+2dnDCaBDK/NkktnC/or1TKpM70cfRXr aH92U2xqcwwbtfRsy+v2KfSBKi6GfVZEU4D98YL0= From: "rguenth 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: Tue, 06 Feb 2024 07:51:50 +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: diagnostic X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth 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: keywords 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 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |diagnostic --- Comment #2 from Richard Biener --- Yeah, the 'cc1plus: note: destination object is likely at address zero' message hints at that we likely diagnose a threaded path where the pointer is zero. We were likely inclined to perform the threading by dynamic checks inserted by the sanitizer.=