From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6399 invoked by alias); 29 Sep 2013 08:06:33 -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 6354 invoked by uid 48); 29 Sep 2013 08:06:29 -0000 From: "dl.soluz at gmx dot net" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/58483] missing optimization opportunity for const std::vector compared to std::array Date: Sun, 29 Sep 2013 08:06:00 -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: 4.8.1 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: enhancement X-Bugzilla-Who: dl.soluz at gmx dot net 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: 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: 2013-09/txt/msg01985.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58483 --- Comment #5 from dennis luehring --- but clang 3.3 produces only the optimized output when using -O2 (-O3 still invokes the loop optimizer too early - but this is a known bug) so it seems that the llvm/clang developers think that new/delete can be removed the same way as malloc/free