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-- Copyright 2008-2018 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;
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