From: "Richard W.M. Jones" <rich@annexia.org>
To: "Török Edwin" <edwintorok@gmail.com>
Cc: caml-list@inria.fr
Subject: Re: [Caml-list] Interfacing with C: bad practice
Date: Tue, 16 Aug 2011 17:47:16 +0100 [thread overview]
Message-ID: <20110816164716.GA466@annexia.org> (raw)
In-Reply-To: <4E4A9C17.7060605@gmail.com>
On Tue, Aug 16, 2011 at 07:34:31PM +0300, Török Edwin wrote:
> Undefined behaviour doesn't mean it must show different results with -O2,
> it *might* if the compiler decides to do some optimization.
>
> But isn't this 'f(g(), x)' issue the same as the classic example of undefined behaviour with f(++i, ++i)?
I was a bit unclear. I just meant the program no longer displayed
random numbers.
I agree (now) that this appears to be unspecified behaviour, like
f(++i, ++i), but rather more indirectly.
Rich.
--
Richard Jones
Red Hat
next prev parent reply other threads:[~2011-08-16 16:47 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-16 7:37 Dmitry Bely
2011-08-16 8:04 ` Török Edwin
2011-08-16 8:25 ` Dmitry Bely
2011-08-16 8:43 ` Török Edwin
2011-08-16 9:46 ` rixed
2011-08-16 9:53 ` Dmitry Bely
2011-08-16 10:17 ` Török Edwin
2011-08-16 11:04 ` rixed
[not found] ` <20110816.105738.246515733851238101.Christophe.Troestler@umons.ac.be>
2011-08-16 9:21 ` Dmitry Bely
2011-08-16 10:39 ` Mauricio Fernandez
2011-08-16 14:27 ` John Carr
2011-08-16 12:28 ` [Caml-list] " Dmitry Bely
2011-08-16 15:25 ` [Caml-list] " Richard W.M. Jones
2011-08-16 15:51 ` rixed
2011-08-16 16:00 ` Will M. Farr
2011-08-16 16:10 ` Richard W.M. Jones
2011-08-16 16:17 ` Richard W.M. Jones
2011-08-16 16:18 ` Dmitry Bely
2011-08-16 16:22 ` Richard W.M. Jones
2011-08-16 16:27 ` Richard W.M. Jones
2011-08-16 16:30 ` malc
2011-08-16 16:34 ` Török Edwin
2011-08-16 16:47 ` Richard W.M. Jones [this message]
2011-08-16 16:55 ` [Caml-list] " Jeffrey Scofield
2011-08-16 17:08 ` Will M. Farr
2011-08-16 19:46 ` Gerd Stolpmann
2011-08-16 20:18 ` Jeffrey Scofield
2011-08-16 17:08 ` [Caml-list] " rixed
2011-08-16 16:06 ` John Carr
2011-08-16 16:14 ` Wojciech Meyer
2011-08-16 16:13 ` Dmitry Bely
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