From mboxrd@z Thu Jan  1 00:00:00 1970
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me
X-Spam-Level: 
X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,FREEMAIL_FROM
	autolearn=ham autolearn_force=no version=3.4.4
X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 103376,38fc011071df5a27
X-Google-Attributes: gid103376,public
X-Google-ArrivalTime: 2003-06-03 10:01:35 PST
Path: 
 archiver1.google.com!news1.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!news-out.visi.com!petbe.visi.com!uunet!ash.uu.net!spool0901.news.uu.net!spool0902.news.uu.net!not-for-mail
Date: Tue, 03 Jun 2003 13:01:03 -0400
From: Hyman Rosen <hyrosen@mail.com>
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US;
 rv:1.5a) Gecko/20030529
X-Accept-Language: en-us, en
MIME-Version: 1.0
Newsgroups: comp.lang.ada
Subject: Re: Ideas for Ada 200X
References: <6a90b886.0305262344.1d558079@posting.google.com>
 <VjOAa.16051$8g5.257873@news2.e.nsc.no> <3ED41344.7090105@spam.com>
 <3ED46D81.FF62C34F@0.0> <3ED46E07.4340CABC@0.0>
 <3ED4F3FD.A0EF7079@alfred-hilscher.de> <xIeBa.1017346$3D1.597085@sccrnsc01>
 <bebbba07.0305292326.75f5fbef@posting.google.com>
 <6vWcnTWjF83bD0qjXTWcpA@gbronline.com>
 <bebbba07.0305311049.753bb8f0@posting.google.com>
 <KvydnZ2dnunHfUej4p2dnA@gbronline.com>
 <bebbba07.0306022127.46f6c998@posting.google.com>
 <slrnbdp1mg.1lk.randhol+abuse@kiuk0152.chembio.ntnu.no>
 <slrnbdp1pp.ns.lutz@taranis.iks-jena.de>
 <slrnbdp3qp.1lk.randhol+abuse@kiuk0152.chembio.ntnu.no>
 <slrnbdp4qq.ns.lutz@taranis.iks-jena.de>
 <BB0262E3.3059%yaldnifw@blueyonder.co.uk>
 <wcc4r37kt5s.fsf@shell01.TheWorld.com>
In-Reply-To: <wcc4r37kt5s.fsf@shell01.TheWorld.com>
Content-Type: text/plain; charset=us-ascii; format=flowed
Content-Transfer-Encoding: 7bit
Organization: KBC Financial Products
Message-ID: <1054659664.942162@master.nyc.kbcfp.com>
Cache-Post-Path: master.nyc.kbcfp.com!unknown@nightcrawler.nyc.kbcfp.com
X-Cache: nntpcache 3.0.1 (see http://www.nntpcache.org/)
NNTP-Posting-Host: 204.253.250.10
X-Trace: 1054659665  7425 204.253.250.10
Xref: archiver1.google.com comp.lang.ada:38512
Date: 2003-06-03T13:01:03-04:00
List-Id: <comp.lang.ada>

Robert A Duff wrote:
> That is, currently the compiler can avoid evaluating X twice in
> "X := X + 1;" only if "X" contains no out-of-line function calls.

Given overloading, is it necessarily the case that the two Xs
refer to the same object?