1 // Ensure that virtual base upcast and downcasting works on this
2 // conversions during virtual function dispatch at ctor/dtor time
3 // when dynamic vtable fixups for deltas are needed.
15 virtual MID *VFN (){ return 0; }
18 class MIBASE : public BASE1, public BASE2 { };
20 class VBB : public MIBASE {
22 virtual long get_STATE () const = 0;
23 void print_STATE() { if (get_STATE () != 87654321) fail = 1; }
26 class VBD : public virtual VBB {
29 long get_STATE() const { return STATE; }
30 VBD() { STATE = 87654321; }
31 ~VBD() { STATE = 87654321; }
34 class MID : public virtual VBD {
36 MID () { print_STATE(); }
37 ~MID () { print_STATE(); }
38 virtual MID *VFN() { return this; }
41 class LAST : public MID {
43 LAST () { print_STATE(); }
44 ~LAST () { print_STATE(); }