From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6DF963858C54; Mon, 27 Mar 2023 14:00:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6DF963858C54 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1679925614; bh=bnqZjmBI20javt7gZpZbrxB06jOHChrqTz9g8t8ichk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=PjdiLiP2chIprK1EhIfYGkx/T0vZtbd0CqJ6ictEYMsw5IB/hGDt663Dkg+M6kajO lojO/b2Oe2D6TcCOV2S7rcwRVZfjp0dstdQ6boLtDlRX2HW/bXtBge1Y9M2dTSrb2C 6poHrLK103X4BUU5YBjcezZsihgAu25Pi8iHq+Vs= From: "redi at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/107087] [13 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: Mon, 27 Mar 2023 14:00:14 +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: redi at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 13.0 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=3D107087 --- Comment #4 from Jonathan Wakely --- Comment 0 comes from 22_locale/money_put/cons/3.cc make check RUNTESTFLAGS=3D"conformance.exp=3D22_locale/money_put/cons/3.cc --target_board=3Dunix/-m32" (but I don't see it failing now). Comment 1 comes from 23_containers/vector/modifiers/insert/const_iterator.cc make check RUNTESTFLAGS=3D"conformance.exp=3D23_containers/vector/modifiers/insert/con= st_iterator.cc --target_board=3Dunix/-std=3Dc++20" (this still fails with trunk)=