From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1609 invoked by alias); 30 Mar 2013 09:06:54 -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 1568 invoked by uid 48); 30 Mar 2013 09:06:46 -0000 From: "glisse at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/56785] std::tuple of two elements does not apply empty base class optimization when one of its elements is a std::tuple with two elements Date: Sat, 30 Mar 2013 09:06:00 -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: X-Bugzilla-Severity: normal X-Bugzilla-Who: glisse 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-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 X-SW-Source: 2013-03/txt/msg02241.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56785 --- Comment #1 from Marc Glisse 2013-03-30 09:06:44 UTC --- I assume (needs to be checked) this is related to the issue, reported elsewhere, that makes the size of std::tuple>>> grow linearly with the nesting depth.