// { dg-do run } // { dg-options "-fabi-version=0 -w" } struct E1 {}; struct E2 : public E1 {}; struct E : public E1, public E2 {}; struct N : public E { virtual void f () {} }; struct X : virtual public N { }; int main () { X x; /* N should not be the primary base of X; it is not nearly empty. */ if ((void*)&x == (void*)(N*)&x) return 1; }