[Bug c++/33061] New: Static variable typed the member type of another class

[kag at graf dot slask dot pl]

// this c++ code failes to compile under every gcc/g++ version I know...


#include<map>

template<class T>
class foo
{
  private:

  static std::map<long, std::pair<T, long> > data;
  static long long lastId;

  public:

  foo ()
  {
    refValid = false;
  }

  foo (const T & v)
  {
    lastId++;
    ref = data.insert
      (std::pair<long, std::pair<T, long> > (lastId,
      std::pair<T, long> (v, 0))).first;
    refValid = true;
    (*ref).second.second++;
  }

  foo (const foo<T> & v)
  {
    operator= (v);
  }

  ~foo ()
  {
    end ();
  }

  void operator= (const foo<T> & v)
  {
    if (&v == this) return;

    end ();

    ref = v.ref;
    refValid = true;
    (*ref).second.second++;
  }

  private:

  // g++ fails here:
  std::map<long, std::pair<T, long> >::iterator ref;

  bool refValid;

  void end ()
  {
    if (!refValid) return;
    (*ref).second.second--;
    refValid = false;
  }
};

template<class T>
std::map<long, std::pair<T, long> > foo<T>::data;

template<class T>
long long foo<T>::lastId = 0;

int main ()
{
  foo<char> x;

  return 0;
}


-- 
           Summary: Static variable typed the member type of another class
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: kag at graf dot slask dot pl


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33061