Subversion Repositories scarts

--  Copyright 2008 Free Software Foundation, Inc.

--

--  This program is free software; you can redistribute it and/or modify

--  it under the terms of the GNU General Public License as published by

--  the Free Software Foundation; either version 3 of the License, or

--  (at your option) any later version.

--

--  This program is distributed in the hope that it will be useful,

--  but WITHOUT ANY WARRANTY; without even the implied warranty of

--  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

--  GNU General Public License for more details.

--

--  You should have received a copy of the GNU General Public License

--  along with this program.  If not, see <http://www.gnu.org/licenses/>.

procedure Comp_Bug is

   type Number_T (Exists : Boolean := False) is

      record

         case Exists is

            when True =>

               Value : Natural range 0 .. 255;

            when False =>

               null;

         end case;

      end record;

   pragma Pack (Number_T);

   X : Number_T;

   --  brobecker/2007-09-06: At the time when this issue (G904-017) was

   --  reported, the problem only reproduced if the variable was declared

   --  inside a function (in other words, stored on stack).  Although

   --  the issue probably still existed when I tried moving this variable

   --  to a package spec, the symptoms inside GDB disappeared.

begin

   X := (Exists => True, Value => 10);

   if X.Exists then -- STOP

      X.Value := X.Value + 1;

   end if;

end Comp_Bug;