From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CD3233882ADB; Tue, 18 Jun 2024 11:59:45 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CD3233882ADB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1718711985; bh=Uze9eR1pf61ubVKmT+/0mjAdEQ92aFawMTVvCWd7RyI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=q5UioCbWZtexWmju/Z/C2L4GatKlglkDA4MgtXgsrSYnkxUDCdAtpLhJSDR44H8h5 og9BWEIBktYaD1UAfMMGxsRH1NyrWyi39r/VXWCvOSwa7SIXsPOA4G2fP7iIuSrzhm oX5K2LnyRqVHP6LTz3zoA8AH0jki2Wvtf36LuHG4= From: "schwab@linux-m68k.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/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 11:59:45 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 14.1.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: schwab@linux-m68k.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: 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 --- Comment #1 from Andreas Schwab --- Please read https://gcc.gnu.org/bugs/ and follow the instructions.=