// { dg-do run }
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// { dg-do run }
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// Ensure that virtual base upcast and downcasting works on this
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// Ensure that virtual base upcast and downcasting works on this
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// conversions during virtual function dispatch at ctor/dtor time
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// conversions during virtual function dispatch at ctor/dtor time
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// when dynamic vtable fixups for deltas are needed.
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// when dynamic vtable fixups for deltas are needed.
|
|
|
int fail = 0;
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int fail = 0;
|
|
|
struct BASE1 {
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struct BASE1 {
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virtual ~BASE1 () { }
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virtual ~BASE1 () { }
|
};
|
};
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|
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class MID;
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class MID;
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|
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class BASE2 {
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class BASE2 {
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public:
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public:
|
virtual MID *VFN (){ return 0; }
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virtual MID *VFN (){ return 0; }
|
};
|
};
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|
|
class MIBASE : public BASE1, public BASE2 { };
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class MIBASE : public BASE1, public BASE2 { };
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|
|
class VBB : public MIBASE {
|
class VBB : public MIBASE {
|
public:
|
public:
|
virtual long get_STATE () const = 0;
|
virtual long get_STATE () const = 0;
|
void print_STATE() { if (get_STATE () != 87654321) fail = 1; }
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void print_STATE() { if (get_STATE () != 87654321) fail = 1; }
|
};
|
};
|
|
|
class VBD : public virtual VBB {
|
class VBD : public virtual VBB {
|
long STATE;
|
long STATE;
|
public:
|
public:
|
long get_STATE() const { return STATE; }
|
long get_STATE() const { return STATE; }
|
VBD() { STATE = 87654321; }
|
VBD() { STATE = 87654321; }
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~VBD() { STATE = 87654321; }
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~VBD() { STATE = 87654321; }
|
};
|
};
|
|
|
class MID : public virtual VBD {
|
class MID : public virtual VBD {
|
public:
|
public:
|
MID () { print_STATE(); }
|
MID () { print_STATE(); }
|
~MID () { print_STATE(); }
|
~MID () { print_STATE(); }
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virtual MID *VFN() { return this; }
|
virtual MID *VFN() { return this; }
|
};
|
};
|
|
|
class LAST : public MID {
|
class LAST : public MID {
|
public:
|
public:
|
LAST () { print_STATE(); }
|
LAST () { print_STATE(); }
|
~LAST () { print_STATE(); }
|
~LAST () { print_STATE(); }
|
};
|
};
|
|
|
int main() {
|
int main() {
|
MIBASE *o = new LAST;
|
MIBASE *o = new LAST;
|
MID *p = o->VFN();
|
MID *p = o->VFN();
|
p->print_STATE();
|
p->print_STATE();
|
delete o;
|
delete o;
|
return fail;
|
return fail;
|
}
|
}
|
|
|
