1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/* This testcase is part of GDB, the GNU debugger.
Copyright 2003, 2004 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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
struct A
{
virtual ~A ();
int a1;
};
A::~A()
{
a1 = 800;
}
struct B : public A
{
virtual ~B ();
int b1;
int b2;
};
B::~B()
{
a1 = 900;
b1 = 901;
b2 = 902;
}
// Stop the compiler from optimizing away data.
void refer (A *)
{
;
}
struct empty {};
// Stop the compiler from optimizing away data.
void refer (empty *)
{
;
}
int main (void)
{
A alpha, *aap, *abp;
B beta, *bbp;
empty e;
alpha.a1 = 100;
beta.a1 = 200; beta.b1 = 201; beta.b2 = 202;
aap = α refer (aap);
abp = β refer (abp);
bbp = β refer (bbp);
refer (&e);
return 0; // marker return 0
} // marker close brace
|
