-- Copyright 2008 Free Software Foundation, Inc.
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-- Copyright 2008 Free Software Foundation, Inc.
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--
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--
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-- This program is free software; you can redistribute it and/or modify
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 3 of the License, or
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-- the Free Software Foundation; either version 3 of the License, or
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-- (at your option) any later version.
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-- (at your option) any later version.
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--
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--
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-- This program is distributed in the hope that it will be useful,
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-- This program is distributed in the hope that it will be useful,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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-- GNU General Public License for more details.
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--
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--
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-- You should have received a copy of the GNU General Public License
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-- You should have received a copy of the GNU General Public License
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-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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-- along with this program. If not, see <http://www.gnu.org/licenses/>.
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procedure Comp_Bug is
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procedure Comp_Bug is
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type Number_T (Exists : Boolean := False) is
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type Number_T (Exists : Boolean := False) is
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record
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record
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case Exists is
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case Exists is
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when True =>
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when True =>
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Value : Natural range 0 .. 255;
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Value : Natural range 0 .. 255;
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when False =>
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when False =>
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null;
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null;
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end case;
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end case;
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end record;
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end record;
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pragma Pack (Number_T);
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pragma Pack (Number_T);
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X : Number_T;
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X : Number_T;
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-- brobecker/2007-09-06: At the time when this issue (G904-017) was
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-- brobecker/2007-09-06: At the time when this issue (G904-017) was
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-- reported, the problem only reproduced if the variable was declared
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-- reported, the problem only reproduced if the variable was declared
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-- inside a function (in other words, stored on stack). Although
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-- inside a function (in other words, stored on stack). Although
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-- the issue probably still existed when I tried moving this variable
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-- the issue probably still existed when I tried moving this variable
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-- to a package spec, the symptoms inside GDB disappeared.
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-- to a package spec, the symptoms inside GDB disappeared.
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begin
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begin
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X := (Exists => True, Value => 10);
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X := (Exists => True, Value => 10);
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if X.Exists then -- STOP
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if X.Exists then -- STOP
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X.Value := X.Value + 1;
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X.Value := X.Value + 1;
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end if;
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end if;
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end Comp_Bug;
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end Comp_Bug;
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