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From: Alfred Hilscher <Alfred.Hilscher@t-online.de>
Newsgroups: comp.lang.ada
Subject: Re: CONSTRAINT_ERROR - why?
Date: Sun, 15 Dec 2002 20:00:06 +0100
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Jeffrey Carter schrieb:
> 
> 
> type X is mod 2 ** 8;
> 
> Z : constant := X'Size / 8;
> 
> is fine, but
> 
> type X is mod 2 ** 8;
> 
> type Y is record
>     A : X;
> end record;
> 
> Z : constant := Y'Size / 8;


I tried to build this (with AdaGide 6.43):

procedure Test3 is

  type X is mod 2 ** 8;
  
  Y : Integer; 
begin
  declare
      Value : constant := X'Size / 8;
  begin
      Y := Value;
  end;
end Test3;

The link failed: "undefined reference to `_ada_test3'"

What happened here?

Even a simple:

procedure T is
begin
  null;
end T;

failed.