From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 5AE913858D33; Thu, 27 Apr 2023 11:50:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5AE913858D33 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1682596234; bh=xjy2quvURJb7CCdmDcNSGMGl+nWvGOMr9CCyM8mI+WA=; h=From:To:Subject:Date:In-Reply-To:References:From; b=qi5zZ4LsI3mkeekJCq3nto2aix21Pl84y8CKhg120mds47fap3SLlFIhFE+//YhNl 93wWmQcwi1TRsydhaS5X4sFSEb4+LpBRDFqQ825+m31BRqGlNJO3bOvo3Xn0Dwtmc2 zOrTDmqtPs63bJ2Bbb1UWIYhfOoqe9QfNCcvCJ6Q= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/107087] [12 Regression] bits/stl_algobase.h:431: warning: 'void* __builtin_memcpy(void*, const void*, unsigned int)' reading between 8 and 2147483644 bytes from a region of size 4 [-Wstringop-overread] Date: Thu, 27 Apr 2023 11:50:33 +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: 13.0 X-Bugzilla-Keywords: diagnostic, missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: REOPENED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.3 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: priority cf_known_to_work cf_known_to_fail 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=3D107087 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P2 Known to work|12.2.1 |11.3.0, 13.0 Known to fail|13.0 |12.2.0 --- Comment #13 from Richard Biener --- I verified that picking this change fixes the diagnostic on the branch as w= ell. I have no opinion as to how dangerous this is.=