// { dg-do run } extern "C" int printf(const char *, ...); void *vp; int fail = 0; class Foo { public: virtual void setName() { printf("Foo at %x\n", this); if (vp != (void*)this) fail = 1; } }; class Bar : public Foo { public: virtual void init(int argc, char **argv) { printf("Bar's Foo at %x\n", (Foo*)this); vp = (void*)(Foo*)this; setName(); } }; class Barf : virtual public Bar { public: virtual void init(int argc, char **argv) { Bar::init(argc, argv); } }; class Baz : virtual public Bar, virtual public Barf { public: virtual void init(int argc, char **argv) { Barf::init(argc, argv); } }; Bar *theBar = new Baz(); int main(int argc, char **argv) { theBar->init(argc, argv); return fail; }