1/* This testcase is part of GDB, the GNU debugger.
2
3   Copyright 2003-2020 Free Software Foundation, Inc.
4
5   This program is free software; you can redistribute it and/or modify
6   it under the terms of the GNU General Public License as published by
7   the Free Software Foundation; either version 3 of the License, or
8   (at your option) any later version.
9
10   This program is distributed in the hope that it will be useful,
11   but WITHOUT ANY WARRANTY; without even the implied warranty of
12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   GNU General Public License for more details.
14
15   You should have received a copy of the GNU General Public License
16   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
17
18struct A
19{
20  virtual ~A ();
21  int a1;
22};
23
24A::~A()
25{
26  a1 = 800;
27}
28
29struct B : public A
30{
31  virtual ~B ();
32  int b1;
33  int b2;
34};
35
36B::~B()
37{
38  a1 = 900;
39  b1 = 901;
40  b2 = 902;
41}
42
43struct C : public B
44{
45  A *c1;
46  A *c2;
47};
48
49/* Use a typedef for the baseclass, with a virtual method, to exercise
50   gnu-v3-abi.c:gnuv3_dynamic_class recursion.  It's important that the
51   class itself have no name to make sure the typedef makes it through
52   to the recursive call.  */
53typedef class {
54 public:
55  /* This class has no members as gcc 4.9.x doesn't emit the debug info
56     for them.  */
57  virtual int get () { return 42; }
58} Dbase;
59
60class D : public Dbase
61{
62 public:
63  int d1;
64};
65
66// Stop the compiler from optimizing away data.
67void refer (A *)
68{
69  ;
70}
71
72struct empty {};
73
74// Stop the compiler from optimizing away data.
75void refer (empty *)
76{
77  ;
78}
79
80int main (void)
81{
82  A alpha, *aap, *abp, *acp;
83  B beta, *bbp;
84  C gamma;
85  D delta;
86  empty e;
87  A &aref (alpha);
88
89  alpha.a1 = 100;
90  beta.a1 = 200; beta.b1 = 201; beta.b2 = 202;
91  gamma.c1 = 0; gamma.c2 = (A *) ~0UL;
92  delta.d1 = 400;
93
94  aap = &alpha; refer (aap);
95  abp = &beta;  refer (abp);
96  bbp = &beta;  refer (bbp);
97  acp = &gamma; refer (acp);
98  refer (&e);
99
100  return 0;  // marker return 0
101} // marker close brace
102