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From: Robert A Duff <bobduff@shell01.TheWorld.com>
Newsgroups: comp.lang.ada
Subject: Re: Ada2012 Invariants and obaque types
Date: Tue, 21 Jun 2011 08:13:39 -0400
Organization: The World Public Access UNIX, Brookline, MA
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Date: 2011-06-21T08:13:39-04:00
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Martin <martin.dowie@btopenworld.com> writes:

> package P1 is
>    type T1 is tagged private
>      with Invariant => True;  -- NB: not even a 'real' function
> private
>    type Imp;
>    type Imp_Ref is not null access Imp;
>    type T1 is tagged
>       record
>          I : Imp_Ref;
>       end record;
> end P1;
>
> which produces the same original error:

Looks like a compiler bug.

- Bob