From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 15172 invoked by alias); 25 Jan 2002 16:10:35 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 15022 invoked from network); 25 Jan 2002 16:10:30 -0000 Received: from unknown (HELO vlsi1.ultra.nyu.edu) (128.122.140.213) by sources.redhat.com with SMTP; 25 Jan 2002 16:10:30 -0000 Received: by vlsi1.ultra.nyu.edu (4.1/1.34) id AA12570; Fri, 25 Jan 02 11:04:47 EST Date: Fri, 25 Jan 2002 08:33:00 -0000 From: kenner@vlsi1.ultra.nyu.edu (Richard Kenner) Message-Id: <10201251604.AA12570@vlsi1.ultra.nyu.edu> To: dan@dberlin.org Subject: Re: g++ and aliasing bools Cc: gcc@gcc.gnu.org X-SW-Source: 2002-01/txt/msg01636.txt.bz2 They don't avoid undecidability, or else we wouldn't have alias set 0. If we could determine what everything aliases, we wouldn't need a set that aliases everything. I didn't say they *avoid* undecidability, just avoid the undecidability *problem* by separating static language semantics from all other aspects of alising.