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!.POSTED!not-for-mail From: Simon Wright Newsgroups: comp.lang.ada Subject: Re: Ada.Containers and concurrent modification exception. Date: Wed, 19 Sep 2018 19:05:56 +0100 Organization: A noiseless patient Spider Message-ID: References: <87musdtstw.fsf@jacob-sparre.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Injection-Info: reader02.eternal-september.org; posting-host="44bd55d3000cda42d46ebd754f5c3151"; logging-data="30214"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18YiTrlJZNlrj6Kw7XxlblyAWO4i+u84rM=" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.3 (darwin) Cancel-Lock: sha1:njg+oGnTMML6Nb6SVcOLhFwcR0M= sha1:PJOBQWSdsPrubk7wIL9qjLfYGRs= Xref: reader02.eternal-september.org comp.lang.ada:54379 Date: 2018-09-19T19:05:56+01:00 List-Id: rakusu_klein@fastmail.jp writes: > On WinXP with GNAT GPL 2017 (20170515) (i686-pc-mingw32) I get the > indefinite loop without “-gnata” and with this option — the same > assertions as others have, which produces by the Vet procedure, which > checks if a dead Node referring to itself. I don't think that > necromancy is a good idea — the memory for a dead Node is actually > free and may use for an other Node object, so what happens in that > case? Nothing good. And it might be in use for something completely different, anyway!