From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 10686 invoked by alias); 30 Aug 2010 20:01:14 -0000 Received: (qmail 10407 invoked by uid 22791); 30 Aug 2010 20:01:13 -0000 X-SWARE-Spam-Status: No, hits=-6.1 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI,SPF_HELO_PASS,T_RP_MATCHES_RCVD X-Spam-Check-By: sourceware.org Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 30 Aug 2010 20:01:08 +0000 Received: from int-mx02.intmail.prod.int.phx2.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) by mx1.redhat.com (8.13.8/8.13.8) with ESMTP id o7UK16p7020174 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 30 Aug 2010 16:01:07 -0400 Received: from ns3.rdu.redhat.com (ns3.rdu.redhat.com [10.11.255.199]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id o7UK16lw023725; Mon, 30 Aug 2010 16:01:06 -0400 Received: from opsy.redhat.com (ovpn01.gateway.prod.ext.phx2.redhat.com [10.5.9.1]) by ns3.rdu.redhat.com (8.13.8/8.13.8) with ESMTP id o7UK15MO020164; Mon, 30 Aug 2010 16:01:05 -0400 Received: by opsy.redhat.com (Postfix, from userid 500) id D36F837822B; Mon, 30 Aug 2010 14:01:04 -0600 (MDT) From: Tom Tromey To: sami wagiaalla Cc: gdb-patches@sourceware.org Subject: Re: [patch] Fix overload resolution of int* vs void* References: <4C7BCD42.9070308@redhat.com> Date: Mon, 30 Aug 2010 20:01:00 -0000 In-Reply-To: <4C7BCD42.9070308@redhat.com> (sami wagiaalla's message of "Mon, 30 Aug 2010 11:24:50 -0400") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org X-SW-Source: 2010-08/txt/msg00533.txt.bz2 >>>>> "Sami" == sami wagiaalla writes: Sami> A fix for this bug http://sourceware.org/bugzilla/show_bug.cgi?id=10343 Sami> This patch makes it a little bit cheaper to convert a pointer to void* Sami> than any other pointer conversion. Consider this test: struct B { }; struct D : public B { }; void f (void *x) { } void f (B *x) { } void g(D *x) { f(x); } This should call f(B*), but with your patch I suspect it will call f(void*). Tom