From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 4188C3858C00; Tue, 30 May 2023 14:49:53 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4188C3858C00 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1685458193; bh=aHpSBnCspT5mBfkYKT8G0W8udTrVYaLsHChUlZkonjQ=; h=From:To:Subject:Date:In-Reply-To:References:From; b=bHh1+x1ojZa3FGa/sGCCgsnTzC8CjC+1M+BLt8BxKHW93KdCRoET+f0p/Q+rYHyxx 4Zgwa05jr/0pnORU0OOi88T66TwLoY3lSl9ByME9yMnw976gFE54Bk97prfv3Ygop+ WJtLbEQnC2OdMcgxc6JRbKj15oBOLzmKtlfSt96M= From: "oconnor663 at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/110027] Misaligned vector store on detect_stack_use_after_return Date: Tue, 30 May 2023 14:49:52 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 13.1.1 X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: oconnor663 at gmail dot com X-Bugzilla-Status: NEW 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: cc 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=3D110027 Jack O'Connor changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |oconnor663 at gmail dot com --- Comment #3 from Jack O'Connor --- Thanks to Andrew Pinski's comment about -fstack-protector-strong, I can now reproduce this issue on Godbolt: https://godbolt.org/z/47a695sWY. So the minimal set of flags to reproduce on most distros (other than Arch Linux) i= s: -mavx512f -fsanitize=3Daddress -fstack-protector-strong=