From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30308 invoked by alias); 28 Jun 2011 14:12:29 -0000 Received: (qmail 30298 invoked by uid 22791); 28 Jun 2011 14:12:28 -0000 X-SWARE-Spam-Status: No, hits=-2.7 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Tue, 28 Jun 2011 14:12:14 +0000 From: "paolo.carlini at oracle dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/49559] [C++0x] stable_sort calls self-move-assignment operator X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libstdc++ X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: paolo.carlini at oracle dot com X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.6.2 X-Bugzilla-Changed-Fields: CC 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 Date: Tue, 28 Jun 2011 14:12:00 -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 X-SW-Source: 2011-06/txt/msg02740.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49559 Paolo Carlini changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |paolo.carlini at oracle dot | |com --- Comment #9 from Paolo Carlini 2011-06-28 14:11:32 UTC --- Given the specific instantiations we have of __move_merge, something like the new draft I'm attaching seems correct and avoids the regressions for inplace_merge. But actually it seems __first2 always == __result after the first move, thus I think we really want to rework and possibly simplify these __move_merge helpers.