20   D& operator=(const D&) throw() { return *this; }  in throw()  function
25   E& operator=(const E&) throw(int) { return *this; }  in throw()  function
30   E1& operator=(const E1&) throw(int) { throw int(); return *this; }  in throw()  function
35   F() throw(int) { }  in throw()  function
40   G() throw(int) { throw int(); }  in throw()  function
45   H& operator=(H&) throw(int) { return *this; }  in throw()  function
50   H1& operator=(H1&) throw(int) { throw int(); return *this; }  in throw()  function
55   I& operator=(I&) throw(int) { return *this; }  in throw()  function
56   I& operator=(const I&) throw() { return *this; }  in throw()  function
61   I1& operator=(I1&) throw(int) { throw int(); return *this; }  in throw()  function
62   I1& operator=(const I1&) throw() { return *this; }  in throw()  function
67   J& operator=(J&) throw() { return *this; }  in throw()  function
68   J& operator=(const J&) throw() { return *this; }  in throw()  function
69   J& operator=(volatile J&) throw() { return *this; }  in throw()  function
70   J& operator=(const volatile J&) throw() { return *this; }  in throw()  function
75   K& operator=(K&) throw() { return *this; }  in throw()  function
80   L& operator=(const L&) throw() { return *this; }  in throw()  function