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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Predicate and value attribute
Date: Tue, 26 Jan 2016 20:43:26 +0000
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Date: 2016-01-26T20:43:26+00:00
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Xavier Petit <xpetit@becoast.fr> writes:

> $ gnatmake sandbox.adb
> gcc -c sandbox.adb
> sandbox.adb:3:39: "Value_Integer" is undefined
> compilation abandoned due to previous error
> gnatmake: "sandbox.adb" compilation error

Same problem with FSF GCC 5.2.0.

I think you have found a genuine bug; the recreated source given by
-gnatG shows that the internal representation for 'number' is quite
different from that for 'number2', for no apparent reason.

Time to report the problem to AdaCore, I think.