From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 5711 invoked by alias); 8 Apr 2013 11:09:36 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 5659 invoked by uid 48); 8 Apr 2013 11:09:28 -0000 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/56854] [4.9 Regression] error: non-decl/MEM_REF LHS in clobber statement Date: Mon, 08 Apr 2013 11:09:00 -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-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: rguenth at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.9.0 X-Bugzilla-Changed-Fields: Component Target Milestone Summary Message-ID: In-Reply-To: References: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 X-SW-Source: 2013-04/txt/msg00612.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56854 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Component|c++ |tree-optimization Target Milestone|--- |4.9.0 Summary|error: non-decl/MEM_REF LHS |[4.9 Regression] error: |in clobber statement |non-decl/MEM_REF LHS in | |clobber statement --- Comment #2 from Richard Biener 2013-04-08 11:09:28 UTC --- It's very likely forwprop that does this. We should probably disallow any forwprop into CLOBBER lhs. CCP will do everything that is allowed.