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From: Markus Schoepflin <nospam@no.spam>
Newsgroups: comp.lang.ada
Subject: Re: Enumeration representation clause surprise.
Date: Wed, 11 Jun 2008 15:48:09 +0200
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Date: 2008-06-11T15:48:09+02:00
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Samuel Tardieu wrote:

> Markus> This is exactly my point. I would have expected a compile time error
> Markus> for this impossible request.
> 
> Markus> Representation clauses are (amongst other) meant to specify specific
> Markus> binary layouts for interfacing with the external world. Or am I
> Markus> mistaken here?
> 
> I can't find anything in RM chapter 13 which either forbids or allows
> such a behaviour. I will submit a patch for GNAT which gives a new
> warning for this case:
> 
>     11.       A1 at 0 range 0 .. 0; -- (*)
>                  |
>         >>> warning: component representation will be biased
> 
>   Sam

That would be extremely helpful!

Thanks,
Markus