http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49387
--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> 2011-06-13 12:39:59 UTC --- further reduced #include <typeinfo> struct ResourceMonitorClient { }; template <typename T> struct ResourcePool : public ResourceMonitorClient { virtual ~ResourcePool() { } }; template <typename T> struct BaseWriter { BaseWriter() { typeid(ResourcePool<int>*); } virtual void run() { ResourcePool<int> pool; } }; BaseWriter<void> b;