From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CA78D3858D29; Sat, 28 Aug 2021 20:32:12 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CA78D3858D29 From: "dcb314 at hotmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/102087] [12 Regression] ICE on valid code at -O3 on x86_64-linux-gnu: in determine_exit_conditions, at tree-ssa-loop-manip.c:1049 since r12-3136-g3673dcf6d6baeb67 Date: Sat, 28 Aug 2021 20:32:12 +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: 12.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: dcb314 at hotmail dot com X-Bugzilla-Status: REOPENED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 12.0 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 28 Aug 2021 20:32:12 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102087 David Binderman changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dcb314 at hotmail dot com --- Comment #8 from David Binderman --- I see this problem also, with this reduced C code: char **Gif_ClipImage_gfi_0; int Gif_ClipImage_y, Gif_ClipImage_shift; void Gif_ClipImage(void) { for (; Gif_ClipImage_y >=3D Gif_ClipImage_shift; Gif_ClipImage_y++) Gif_ClipImage_gfi_0[Gif_ClipImage_shift] =3D Gif_ClipImage_gfi_0[Gif_ClipImage_y]; } Flag -O3 -march=3Dbdver2 required.=