From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2703 invoked by alias); 15 Sep 2012 17:53:00 -0000 Received: (qmail 2688 invoked by uid 22791); 15 Sep 2012 17:52:58 -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; Sat, 15 Sep 2012 17:52:45 +0000 From: "redi at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/54580] 64-bit pointer to int cast fails Date: Sat, 15 Sep 2012 17:53:00 -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: X-Bugzilla-Severity: normal X-Bugzilla-Who: redi at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Status Resolution 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: 2012-09/txt/msg01186.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54580 Jonathan Wakely changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID --- Comment #2 from Jonathan Wakely 2012-09-15 17:52:43 UTC --- That explicit type conversion (i.e. cast) is equivalent to reinterpret_cast("") and the standard says reinterpret_cast can be used to convert a pointer to an integer type large enough to hold it. The code is invalid and should be rejected by any 64-bit C++ compiler, just as (short)"" should be by 32-bit compilers.