From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 24838 invoked by alias); 14 Mar 2012 10:36:28 -0000 Received: (qmail 24810 invoked by uid 22791); 14 Mar 2012 10:36:27 -0000 X-SWARE-Spam-Status: No, hits=-2.8 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; Wed, 14 Mar 2012 10:36:13 +0000 From: "paolo.carlini at oracle dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/14710] Warning about useless casts Date: Wed, 14 Mar 2012 10:42:00 -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: diagnostic X-Bugzilla-Severity: enhancement 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: --- 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 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: 2012-03/txt/msg01246.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14710 Paolo Carlini changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |paolo.carlini at oracle dot | |com --- Comment #5 from Paolo Carlini 2012-03-14 10:36:10 UTC --- Jason, what do you think about this very old request? Implementing the warning itself should be pretty trivial (and we could have outside -Wall and -Wextra, thus should bother no one), but I'm not sure we really want it. Then I'm not sure where we want to draw the line, eg, in the provided snippet I'm not 100% sure about the base class case.