From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1450 invoked by alias); 28 Jun 2014 11:10:39 -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 1361 invoked by uid 48); 28 Jun 2014 11:10:34 -0000 From: "ebotcazou at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/60770] disappearing clobbers Date: Sat, 28 Jun 2014 11:10:00 -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-Version: 4.9.0 X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: normal X-Bugzilla-Who: ebotcazou 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: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2014-06/txt/msg02279.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60770 Eric Botcazou changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |ebotcazou at gcc dot gnu.org --- Comment #8 from Eric Botcazou --- > I am probably doing something wrong in the patch, but ada seems to be using > clobbers differently than others since it is the only one that notices > (well, I didn't have a chance to check go since ada broke early). The Ada front-end is the only serious user of abnormal call edges and the like (for example SSA_NAME_OCCURS_IN_ABNORMAL_PHI) so this is not very surprising.