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From: Victor Porton <porton@narod.ru>
Newsgroups: comp.lang.ada
Subject: Re: Wrong GNAT warning. How to suppress it?
Date: Sat, 25 Nov 2017 20:27:33 +0200
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Date: 2017-11-25T20:27:33+02:00
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Victor Porton wrote:

> How to eliminate the GNAT warning in the below program?
> 
> $ gcc-7 -c main.adb
> main.adb:13:05: warning: "return" statement missing following this
> statement main.adb:13:05: warning: Program_Error may be raised at run time
> 
> 
> procedure Main is
> 
>   procedure My_Raise is
>   begin
>     raise Constraint_Error;
>   end;
> 
>   function F (I: Integer) return Integer is
>   begin
>     if I = 0 then
>       return 1;
>     end if;
>     My_Raise;
>   end;
> 
> begin
>   null;
> end;

The issue was solved by adding pragma No_Return to My_Raise procedure.

-- 
Victor Porton - http://portonvictor.org