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From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: Does a null pointer always raise Constraint_Error?
Date: Wed, 13 Dec 2000 15:40:56 GMT
Date: 2000-12-13T15:40:56+00:00	[thread overview]
Message-ID: <9185a6$mut$1@nnrp1.deja.com> (raw)
In-Reply-To: tgn1e0mkqh.fsf@mercury.rus.uni-stuttgart.de

In article
<tgn1e0mkqh.fsf@mercury.rus.uni-stuttgart.de>,
  Florian Weimer
<Florian.Weimer@RUS.Uni-Stuttgart.DE> wrote:
> There a two language-defined checks involved prior
> to the array comparison.  However, 11.6(5) seems to
> permit the omission of these checks, but I'm not
> sure about that.

Nobody is sure about 11.6 :-)

I don't think it applies however. Why not? Because
the program does indeed depend on the result of this
comparison. If you did

  Junk := a.all = b.all;

and never referenced junk, then you could use
11.6(5) to argue that the check should be omitted.


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  parent reply	other threads:[~2000-12-13 15:40 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.10.10011301306120.793-100000@lexis.di.fct.unl.pt>
     [not found] ` <tgzoihpon4.fsf@mercury.rus.uni-stuttgart.de>
     [not found]   ` <9074fi$93b$1@nnrp1.deja.com>
     [not found]     ` <3A3253B1.AD8F32CF@ebox.tninet.se>
     [not found]       ` <90u1vi$uah$1@nnrp1.deja.com>
     [not found]         ` <90ukfm$c4p$1@nnrp1.deja.com>
2000-12-12 16:23           ` Does a null pointer always raise Constraint_Error? Wayne Magor
2000-12-12 20:27             ` Keith Thompson
2000-12-13  0:46               ` Robert Dewar
2000-12-13  8:58                 ` Lutz Donnerhacke
2000-12-13 13:56                   ` Ken Garlington
2000-12-13 14:25                     ` Lutz Donnerhacke
2000-12-13 14:58                       ` Florian Weimer
2000-12-13 15:17                         ` Lutz Donnerhacke
2000-12-13 15:40                         ` Robert Dewar [this message]
2000-12-13 20:07                           ` Florian Weimer
2000-12-14 13:08                             ` Robert Dewar
2000-12-14 14:29                               ` Ken Garlington
2000-12-15  1:45                                 ` Robert Dewar
2000-12-13 15:37                       ` Robert Dewar
2000-12-12 20:31             ` Keith Thompson
2000-12-13 19:58               ` Florian Weimer
2000-12-13  0:43             ` Robert Dewar
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