1 files changed, 136 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.old-deja/g++.benjamin/tem01.C b/gcc/testsuite/g++.old-deja/g++.benjamin/tem01.C
new file mode 100644
index 000000000..76c90c4a8
--- /dev/null
+++ b/gcc/testsuite/g++.old-deja/g++.benjamin/tem01.C
@@ -0,0 +1,136 @@
+// { dg-do assemble  }
+// prms-id: 13911
+
+template<unsigned int N>
+class ref_counter {
+public:
+  ref_counter() : p_refcnt(new unsigned int(N)) {}
+  ref_counter(const ref_counter<N>& x) : p_refcnt(x.p_refcnt) { 
+    ++*p_refcnt; 
+  }
+  ref_counter& operator=(const ref_counter<N>& rhs) {
+    ++*rhs.p_refcnt;
+    decrement();
+    p_refcnt = rhs.p_refcnt;
+    return *this;
+  }
+  ~ref_counter() {decrement();}
+  
+  bool unique() const {return *p_refcnt == N;}
+  
+private:
+  unsigned int* p_refcnt;
+  void decrement() {
+    if (unique()) delete p_refcnt;
+    else --*p_refcnt;
+  }
+};
+
+template<class T, unsigned int N>
+class ref_pointer {
+public:
+   
+  ref_pointer() : the_p(0) {}  
+  ref_pointer(T* just_newed) : the_p(just_newed) {}       
+  virtual ~ref_pointer() {if (unique()) delete the_p;}
+protected:
+  ref_pointer(T* the_p_arg, ref_counter<N>& ref_count_arg)
+    : the_p(the_p_arg), ref_count(ref_count_arg) {}               
+
+public:
+   
+  ref_pointer& operator=(const ref_pointer&); 
+  ref_pointer& operator=(T*);                         
+  operator const T*() const {return the_p;}
+  T* operator()() {return the_p;} 
+  T* operator()() const {return the_p;} 
+  T& operator*() const {return *the_p;}                       
+  friend bool operator==(const ref_pointer<T, N>& lhs, 
+			 const ref_pointer<T, N>& rhs) {
+    return lhs.the_p == rhs.the_p;
+  }
+  friend bool operator!=(const ref_pointer<T, N>& lhs, 
+			 const ref_pointer<T, N>& rhs) {
+    return lhs.the_p != rhs.the_p;
+  }
+  
+   
+  bool unique() const {return ref_count.unique();}
+  bool isNull() const {return the_p==0;}
+
+protected:
+  ref_counter<N>& refCount() {return ref_count;}
+
+private:
+   
+  ref_counter<N> ref_count;
+  T* the_p;
+};
+
+template<class T, unsigned int N>
+ref_pointer<T, N>& ref_pointer<T, N>::operator=(const ref_pointer<T, N>& rhs) {
+  if (the_p != rhs.the_p) {
+    if (unique()) delete the_p;
+    the_p = rhs.the_p;
+    ref_count = rhs.ref_count;
+  }
+  return *this;
+}
+
+
+template<class T, unsigned int N>
+ref_pointer<T, N>& ref_pointer<T, N>::operator=(T* just_newed) { 
+  if (unique()) delete the_p;
+  the_p = just_newed;
+  ref_count = ref_counter<N>();
+  return *this;
+}
+
+
+
+template<class T>
+class CountedObjPtr : public ref_pointer<T, 1> {
+public:
+  CountedObjPtr() {}
+  CountedObjPtr(T* just_newed) : ref_pointer<T, 1>(just_newed) {}
+  CountedObjPtr(T* the_p_arg, ref_counter<1>& ref_count_arg)
+    : ref_pointer<T, 1>(the_p_arg, ref_count_arg) {}
+  CountedObjPtr<T>& operator=(T* rhs) {
+    ref_pointer<T, 1>::operator=(rhs); 
+    return *this; 
+  }
+  CountedObjPtr<T>& operator=(const CountedObjPtr<T>& rhs) { 
+    ref_pointer<T, 1>::operator=(rhs); 
+    return *this; 
+  }
+  T* operator->() const {return (*this)();}
+
+};
+
+
+
+
+
+//instantiating type
+
+class TSObservable;
+
+class TSObserver {
+public:
+   
+  enum TSType { NormalTS, UpYldCrvTS, DownYldCrvTS, ZeroVolTS };
+   
+  virtual ~TSObserver() {}
+   
+  virtual void update(TSObservable* theChangedObservable) = 0;
+  virtual TSType key() const { return myKey; }
+  virtual TSType& key() { return myKey; }
+protected:
+  TSObserver(TSType myKeyArg) : myKey(myKeyArg) {}
+  TSType myKey;
+};
+
+
+
+//now try to instantiate
+template class CountedObjPtr<TSObserver>;