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 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!feeder.erje.net!eu.feeder.erje.net!news.ecp.fr!news.jacob-sparre.dk!loke.jacob-sparre.dk!pnx.dk!.POSTED!not-for-mail From: "Randy Brukardt" Newsgroups: comp.lang.ada Subject: Re: Deallocating an object twice Date: Sat, 26 Jul 2014 21:39:32 -0500 Organization: Jacob Sparre Andersen Research & Innovation Message-ID: References: NNTP-Posting-Host: static-69-95-181-76.mad.choiceone.net X-Trace: loke.gir.dk 1406428772 13369 69.95.181.76 (27 Jul 2014 02:39:32 GMT) X-Complaints-To: news@jacob-sparre.dk NNTP-Posting-Date: Sun, 27 Jul 2014 02:39:32 +0000 (UTC) X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.5931 X-RFC2646: Format=Flowed; Original X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 Xref: news.eternal-september.org comp.lang.ada:21272 Date: 2014-07-26T21:39:32-05:00 List-Id: "Victor Porton" wrote in message news:lr11gd$log$2@speranza.aioe.org... > Victor Porton wrote: > >> If I understand correctly, it is an undefined behavior (or is it called >> unbounded error?) if a pool access is deallocated twice with >> Unchecked_Deallocation. >> >> I think it should be a Program_Error (if checks are on). >> >> Why was not this done even in Ada2012 (not speaking about older Ada)? >> >> It's bad. >> >> Or is it done and I just miss it? > > The same should be done if attempt to deallocate an access which never has > been allocated (for example, if it is an aliased object on the stack). > > -- > Victor Porton - http://portonvictor.org