// Use a small template instantiation depth to speed up testing // { dg-options "-ftemplate-depth-5" }// { dg-do compile }// Origin: rullo.pat@tiscalinet.it//	   Nathanael Nerode <neroden@gcc.gnu.org>//	   Wolfgang Bangerth <bangerth@dealii.org>// PR c++/6749: Infinite loop generating vtable.template <class T> struct inner {};template <class T> struct parent {  virtual void f()			// { dg-error "instantiation depth" }    { parent<inner<T> > p; };};template struct parent<int>;