From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id D70E438754BB; Fri, 24 Mar 2023 12:48:16 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D70E438754BB DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1679662096; bh=0jqK5Cc3EV/l9HB4qLolBX6I7SXlB9x7Ib2zGi+ZNYU=; h=From:To:Subject:Date:In-Reply-To:References:From; b=hG5xpO/HEms20OVvqQKbEM028VO0w7T4zTIxXY/i3CS/fS/b9NRm/BOcv7e+7/+da hLe2TSLo0UXTC2o7Y07MIXEiQEDw7i57YHJT7zK1mD6KT7MzI4m7Xq/Y7HkK+xkNCn 8svf492SEXD3fYwIPlULC7MYbPuLcRAAD8p5KbOE= From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/109274] [13 Regression] ice in in_chain_p, at gimple-range-gori.cc:119 starting with r13-6787-g0963cb5fde158cce986 Date: Fri, 24 Mar 2023 12:48:16 +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: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: unassigned 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=3D109274 --- Comment #2 from Richard Biener --- (gdb) p *vrel_ptr $4 =3D {related =3D VREL_VARYING, name1 =3D , name2 =3D } and we pass on NULL here: 666 if (op1_in_chain) 667 res =3D in_chain_p (vrel_ptr->op1 (), op1) 668 && in_chain_p (vrel_ptr->op2 (), op1); very likely a duplicate.=