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From: Jacques Garrigue <garrigue@math.nagoya-u.ac.jp>
To: till.varoquaux@gmail.com
Cc: caml-list@yquem.inria.fr
Subject: Re: [Caml-list] Strange performances
Date: Fri, 18 Jan 2008 18:12:06 +0900 (JST)	[thread overview]
Message-ID: <20080118.181206.85503086.garrigue@math.nagoya-u.ac.jp> (raw)
In-Reply-To: <9d3ec8300801172339j38bf734dm5b84f951a4342188@mail.gmail.com>

From: "Till Varoquaux" <till.varoquaux@gmail.com>
> On Jan 18, 2008 2:15 AM, Jacques Garrigue <garrigue@math.nagoya-u.ac.jp> wrote:
> ...
> > By the way, on my machine your version doesn't even work in native
> > code, I only get segfaults. This is allowed behaviour for
> > out-of-bounds access.
> 
> Could you please clarify? This seems a little scary to me, I thought
> segfaults where acceptable only when you used unsafe features (or ran
> out of stack).

This is why I sent an erratum. The cause for the segfault was not the
array access, but the stack overflow, which occured due to ocaml's
peculiar evaluation order.
Still, I maintain that intentionally raising and catching out-of-bound
accesses is not good programming style...

Jacques Garrigue


  reply	other threads:[~2008-01-18  9:12 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-18  1:32 Benjamin Canou
2008-01-18  2:15 ` [Caml-list] " Jacques Garrigue
2008-01-18  2:28   ` Jacques Garrigue
2008-01-18  7:39   ` Till Varoquaux
2008-01-18  9:12     ` Jacques Garrigue [this message]
2008-01-18 16:55       ` Benjamin Canou
2008-01-18 17:05         ` Olivier Andrieu
2008-01-18 17:11           ` Jon Harrop
2008-01-18 17:43         ` Jon Harrop
2008-01-18 19:53           ` Benjamin Canou
2008-01-18 16:55       ` Edgar Friendly
2008-01-18 17:52         ` Kuba Ober
2008-01-18 17:56           ` Jon Harrop
2008-01-19  2:32         ` Jacques Garrigue
2008-01-24 22:52           ` Christophe Raffalli

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