From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E08203882ACB; Tue, 18 Jun 2024 16:09:35 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E08203882ACB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1718726975; bh=YuP1MIizxOcXdxhdIRqrIPhTU/2MBRW0tRHxIEToV9c=; h=From:To:Subject:Date:In-Reply-To:References:From; b=tSMF67TDzMzfkairy+RQvlpXuKbfGml9aQbBJKli6SC2PlZ17BQjOp2RuAizJnPR/ sXVY4pEPoDLLkPwQuounehA+XVVyYj46uhG5qM4HUsnwAAgpodvhIwroop2/kjKkwg X+Esnwf+ci3/pYLDU8m7L5L/5cO7m3C+h5Y7VKs4= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/115539] Misoptimization of application at -O2 -g on x86-64 causing segfaults on valid memory accesses where it works on both clang and gcc at -g (no -O2) Date: Tue, 18 Jun 2024 16:09:35 +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: 14.1.1 X-Bugzilla-Keywords: alias X-Bugzilla-Severity: normal X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: WAITING 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: component 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=3D115539 Andrew Pinski changed: What |Removed |Added ---------------------------------------------------------------------------- Component|c |middle-end Keywords| |alias --- Comment #7 from Andrew Pinski --- The places which are just as likely cause strict aliasing issues: geteaw geteal geteaw_mem geteal_mem=