On 30 April 2015 at 06:45, Roger Ferrer Ibáñez wrote: > Hi, > > I do not know whether this is a bug in g++. > > As a workaround changing this > > class X<A2>::Data : public X<A2>::Base<B1, C1> > > into this > > class X<A2>::Data : public X<A2>::template Base<B1, C1> > > works for me. That shouldn't be required in this context, so I've reported a bug: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65943
