From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29659 invoked by alias); 8 May 2012 02:14:11 -0000 Received: (qmail 29559 invoked by uid 22791); 8 May 2012 02:14:10 -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; Tue, 08 May 2012 02:13:54 +0000 From: "jason at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/53220] [4.7/4.8 Regression] g++ mis-compiles compound literals Date: Tue, 08 May 2012 02:22:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: jason at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.8.0 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: 2012-05/txt/msg00844.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53220 --- Comment #10 from Jason Merrill 2012-05-08 02:13:35 UTC --- (In reply to comment #9) > c++11 defines the lifetime of a temporary -- does it match C or g++'s semantics > of compound literals or neither? C++98 and C++11 define the lifetime of a temporary as lasting until the end of the full-expression, unless its lifetime is extended by binding it to a reference. G++ treats compound literals as temporaries like any other.