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From: "Alex R. Mosteo" <devnull@mailinator.com>
Newsgroups: comp.lang.ada
Subject: Re: Bug in GNAT GPL 2006?
Date: Thu, 22 Feb 2007 11:52:35 +0100
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References: <C202523B.98716%yaldnif.w@blueyonder.co.uk>
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Date: 2007-02-22T11:52:35+01:00
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(see below) wrote:

> Using GNAT GPL 2006 (20060522-34) I get warning messages
> like the following when using extended return statements:
> 
>     function is_empty (the_table : a_safe_table) return Boolean is
>     begin
>        return result : Boolean do
>               |
>  >>> warning: variable "result" is assigned but never read
> 
>           lock_table;
>              result := is_empty(a_basic_table(the_table));
>           unlock_table;
>        end return;
>     end is_empty;
> 
> I'm inclined to assume that this is a compiler bug, but can
> anyone more knowledgeable about Ada 200[57] confirm this?
 
It was my impression that extended return wasn't completely finished. Did you
get that to work, despite the warning?