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From: mfeldman@seas.gwu.edu (Michael Feldman)
Newsgroups: comp.lang.ada
Subject: Re: type is access cf type is access all?
Date: 24 Jan 1995 10:55:42 -0500
Organization: George Washington University
Message-ID: <3g37tu$6cd@felix.seas.gwu.edu>
References: <1995Jan20.114005.8916@vax.sbu.ac.uk>
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Date: 1995-01-24T10:55:42-05:00
List-Id: <comp.lang.ada>

In article <1995Jan20.114005.8916@vax.sbu.ac.uk>,
 <fintan@vax.sbu.ac.uk> wrote:
>
>What is the difference between:
>
>   type FooPointers is access Foo;
>
>and
>
>   type FooPointers is access all Foo;

>My reading of this implies that omitting all will result
>in variables the access type only being able to designate 
>dynamically (new) allocated anonymous variables and not 
>non-pool (aliased) variables.

>A check of this idea on gnat 2.0 suggests that both types
>can designate dynamic and aliased variables.

>Anyone know the answer? 

Yeah, I bumped into this one too. It's a GNAT bug, simple as that.
GNAT is missing the check that would normally prohibit the first type
from desugnating aliuased variables.

The NYU folks know about it; no need to report it to them.

Mike Feldman