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Subject: Re: Odd subtyping error.
From: Shark8 <onewingedshark@gmail.com>
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Date: 2012-10-05T15:19:56-07:00
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On Friday, October 5, 2012 4:11:06 PM UTC-6, Adam Beneschan wrote:
>=20
> Ah, "the rest of the story"!  The size clause isn't the problem.  The pro=
blem is that referring to Item_2 and Item_4 in the declaration of Derived_T=
ype freezes Base_Type, and you can't add any more representation informatio=
n after that.  That makes "For Base_Type Use ..." illegal.  If the error me=
ssages in your original case pointed you to the wrong line numbers, that's =
something you can complain to the GNAT folks about.  But the error is legit=
imate, at least in your reduced source.

Hm, why does it force freezing?
Is there a way to force defferment, or flag that there will be a representa=
tion-clause, maybe with an aspect clause " with Representation, Size =3D> E=
num'Size"