From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31208 invoked by alias); 20 Jun 2012 15:24:11 -0000 Received: (qmail 31198 invoked by uid 22791); 20 Jun 2012 15:24:09 -0000 X-SWARE-Spam-Status: No, hits=-4.3 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00,KHOP_THREADED 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; Wed, 20 Jun 2012 15:23:57 +0000 From: "paolo.carlini at oracle dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/53657] [4.7/4.8 Regression] [C++11] pair(pair&&) move constructor is non-trivial Date: Wed, 20 Jun 2012 15:24:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libstdc++ X-Bugzilla-Keywords: ABI X-Bugzilla-Severity: normal X-Bugzilla-Who: paolo.carlini at oracle dot com X-Bugzilla-Status: ASSIGNED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: paolo.carlini at oracle dot com X-Bugzilla-Target-Milestone: 4.7.2 X-Bugzilla-Changed-Fields: 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 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: 2012-06/txt/msg01393.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53657 --- Comment #13 from Paolo Carlini 2012-06-20 15:23:06 UTC --- By the way, the more I look into this issue the more I come to the conclusion that making sure pair(pair&&) is defaulted (which has ABI implications) means doing quite a number of non-trivial changes both in lib and front-end beyond the letter of C++11. I vaguely knew that for a while, guys... To good news is that defaulting + insert(Pair&&) using is_constructible + DR 1402 in the front-end should lead to a clean library testsuite, I don't see any other issues when regression testing the first 2 items.