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=-1.3 required=5.0 tests=BAYES_00,INVALID_MSGID autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: 103376,820de86ed0dafb8a X-Google-Attributes: gid103376,public From: Simon Wright Subject: Re: Help Me Please :) Date: 2000/03/29 Message-ID: #1/1 X-Deja-AN: 605204561 X-NNTP-Posting-Host: pogner.demon.co.uk:158.152.70.98 References: <89rlvr$gn9$1@nntp3.atl.mindspring.net> <38D8A607.F61F0FFF@mail.com> <8bqcu2$s0p$1@nnrp1.deja.com> <8brgcd$5kp$1@nnrp1.deja.com> X-Trace: news.demon.co.uk 954588174 nnrp-03:15353 NO-IDENT pogner.demon.co.uk:158.152.70.98 Organization: At Home Newsgroups: comp.lang.ada X-Complaints-To: abuse@demon.net Date: 2000-03-29T00:00:00+00:00 List-Id: Robert Dewar writes: > In that case it is way way off base. Any safety critical > software is validated and verified at the object level. You > never depend on the correctness of the compiler, or the > correctness of understanding of the high level language > semantics. That may well be true of SIL4 software, but I believe not normally so for SIL(n<4). In any case it all depends on the safety case and the independent safety authority ..