From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 7207F3858C54; Mon, 5 Feb 2024 08:44:50 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7207F3858C54 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1707122690; bh=nLcJ2S18YBzLbeUolQuzj4SbGtBEH2u+mskeHJf6Mwk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Qd+xC9xfT/ehNGCKjygtfVZ0fjW9uKukPoOKdbiZFrycmYwvaSskJiNtjPWglK+sU kc18ckXds0ZFWDHcmTRclQbWpwBMw94VwGW3wFlwHUipTafuawSFl+CK6n87ACXAvb PyWpX2pzjn/5PMhoJ/wZZYzTES/1cMLQ/txoDRxI= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113707] [14 Regression] ICE on valid code at -O1 on x86_64-linux-gnu: Segmentation fault since r14-8683 Date: Mon, 05 Feb 2024 08:44:31 +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: 14.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: ASSIGNED X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: rguenth at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 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=3D113707 --- Comment #4 from Richard Biener --- It shows two issues. One we do too many LC-SSA preserving avails, the other that eliminate_avail can result in different answers for the same name dependent on later avails - that's of course not OK.=