+++ /dev/null
-struct S0 {
- virtual int is_kind_of_S1 () const { return 0; }
- virtual void dummy () { }
-};
-
-struct S1 : virtual public S0 {
- virtual int is_kind_of_S1 () const { return 1; }
- virtual void dummy () { }
-};
-
-struct S2 : virtual public S0 {
- virtual void dummy () { }
-};
-
-struct S3 : public S2, public S1 {
- virtual void dummy () { }
-};
-
-static struct S0 *var = new S3 ();
-
-int main () {
- if (var->is_kind_of_S1() != 1)
- return 1;
- return 0;
-}