Path: csiph.com!eternal-september.org!feeder.eternal-september.org!reader01.eternal-september.org!.POSTED!not-for-mail
From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c
Subject: Re: "...the value becomes,indeterminate each time the declaration is reached"
Date: Thu, 07 Feb 2019 16:36:51 -0800
Organization: None to speak of
Lines: 13
Message-ID: <lnlg2rt8t8.fsf@kst-u.example.com>
References: <q2q79p$1j7$1@dont-email.me> <20190204120834.7d3f84f25052b6a8315f693a@g{oogle}mail.com> <q3939g$iup$1@dont-email.me> <HhW5E.684944$Fi6.335600@fx12.am4> <q3a9fq$t2$1@dont-email.me> <sW36E.455967$kE1.110872@fx20.am4> <q3bvfe$u96$1@dont-email.me> <q3ekc6$lnf$1@dont-email.me> <fa802f39-ec39-458e-8bf3-c008e48cef14@googlegroups.com> <30065f8f-0b5b-4d17-846f-4fa63051cd0e@googlegroups.com> <9d6896dc-a369-4eb0-a93c-c0317a19908e@googlegroups.com> <q3et1h$8nj$1@dont-email.me> <lntvhftojn.fsf@kst-u.example.com> <7615cc12-0e98-4917-a0d0-682c7aeabeb5@googlegroups.com> <syntax-20190207212017@ram.dialup.fu-berlin.de> <8736oze00i.fsf@bsb.me.uk> <meaning-20190207232122@ram.dialup.fu-berlin.de> <87r2cjcho0.fsf@bsb.me.uk>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Injection-Info: reader02.eternal-september.org; posting-host="e2fe68fc85715b1ccf6893e6346d7d34"; logging-data="29752"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX18L0K+/QQ3pIo9jqfp3lSbm"
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)
Cancel-Lock: sha1:S5FXs4w4enXrfZ9MzOsclGxYqHY= sha1:F1W7f8dDV6SM8XAB16xdaieJkdE=
Xref: csiph.com comp.lang.c:140754

Ben Bacarisse <ben.usenet@bsb.me.uk> writes:
[...]
> I think that, technically, there's no difference in C.  A syntax error,
> a constraint violation and run-time undefined action are all equivalent:
> the C standard imposes no meaning on the text.

Syntax errors and constraint violations require diagnostics; undefined
behavior does not.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Will write code for food.
void Void(void) { Void(); } /* The recursive call of the void */