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
|
// { dg-do run { xfail sparc64-*-elf arm-*-pe } }
// { dg-options "-fexceptions" }
class VB {
public:
int n;
VB (int v) { n = v; }
VB (const VB& o) {
n = o.n;
// printf("copying VB from %d to %d\n", &o, this);
}
};
class D : public virtual VB {
int j;
public:
D(int i1, int i2) : VB(i2) { j = i1; }
VB& vb() { return *(VB*)this; }
const VB& vb() const { return *(const VB*)this; }
};
class pD : private virtual VB {
int j;
public:
pD(int i1, int i2) : VB(i2) { j = i1; }
VB& vb() { return *(VB*)this; }
const VB& vb() const { return *(const VB*)this; }
};
int main () {
D d(1943, 4279);
pD pd(3621, 9527);
VB *vb = &d.vb();
VB *pvb = &pd.vb();
// A catch of a public virtual base.
try {
// printf("Throwing D at %d (VB at %d)\n", &d, vb);
throw d;
}
catch (VB& vb) {
// printf("Catching VB at %d\n", &vb);
if (vb.n != 4279)
return 1;
}
catch (...) {
return 1;
}
// A catch of a private virtual base.
try {
// printf("Throwing D at %d (VB at %d)\n", &pd, pvb);
throw pd;
}
catch (VB& vb) {
// printf("Catching VB at %d\n", &vb);
// This was a private base of the throw object, don't catch it.
return 1;
}
catch (...) {
}
}
|