[Bug c++/14479] New: enum definition in template class with template methods causes error.

["robertk at mathematik dot uni-freiburg dot de" <gcc-bugzilla at gcc dot gnu dot org>]

GCC Version:  
3.3.3

System type: 
i386-linux ( SuSE Linux 8.1, kernel 2.4.19 )

options given when GCC was configured/built: 
--prefix=path (no system path)

complete command line that triggers the bug:  
g++ error.cc

source code that triggers the bug:

---------------------------------------------------------------------------
#include <iostream>

template <int dim, template <int> class T>
class X {
public:

  // this enum definition causes problems with g++ 3.3.3
  // if enum is not defined, no problems with g++
  // if the enum definition is made, then in the specialization 
  // of the template member method of the class A one template <> 
  // has to be removed to compile with g++, but then the code is not 
  // ISO standard anymore
  enum { dimension = dim };

  typedef T<dim> TType;

  template<int d>
  int bar ()
  {
    return asImp().template bar<d> ();
  }

private:
  // Barton Nackman 
  T<dim> & asImp()
  {
    return static_cast<T<dim> &> (*this);
  }
};

template <int dim>
class A : public X<dim,A>
{
public:
  template<int d>
  int bar () ;
};


template <int dim>
template <int d> 
inline int A<dim>::bar ()
{
  return d;
}


// if the enum definition above is made then g++ only compiles this code 
// if the second template <> is removed, but then the code is not ISO standard
// anymore 
template <>
template <> 
inline int A<0>::bar<0> ()
{
  return -1;
}

template<int dim, template <int> class T>
void foo (X<dim,T> & g)
{
  std::cout << g.template bar<0> () << "\n";
}


int main ()
{
  A<0> a;
  foo(a);
  A<2> b;
  foo(b);
}

---------------------------------------------------------------------------

-- 
           Summary: enum definition in template class with template methods
                    causes error.
           Product: gcc
           Version: 3.3.3
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: robertk at mathematik dot uni-freiburg dot de
                CC: gcc-bugs at gcc dot gnu dot org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=14479