PRB: C2922 Error for Class Template Containing Friend Function

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Sample Code to Demonstrate Behavior

/* Compile options : /Ze ( default option )
*/ 

#include <iostream.h>

template <class T> class A;   // Forward declaration

// Change the following line from a comment into an executed line to
// prevent the compiler error with Visual C++, 32-bit edition, version 2.0
// or 2.1:

// template <class T> ostream& operator<< (ostream &s, const A<T> &b);

template <class T>
class A {
public:
   friend ostream & operator << (ostream &s, const A<T> &b);
};

template <class T> ostream& operator<< (ostream &s, const A<T> &b)
{
   return s << "testing";
}

void main()
{
   A<int> fa;
   cout << fa;
}