Index: include/__functional_base
===================================================================
--- include/__functional_base
+++ include/__functional_base
@@ -70,7 +70,9 @@
     template <class _T1, class _T2> 
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) < _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) < _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) < _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) < _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
Index: include/functional
===================================================================
--- include/functional
+++ include/functional
@@ -504,7 +504,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) + _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) + _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) + _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) + _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -529,7 +531,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) - _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) - _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) - _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) - _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -554,7 +558,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) * _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) * _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) * _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) * _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -579,7 +585,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) / _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) / _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) / _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) / _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -604,7 +612,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) % _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) % _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) % _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) % _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -629,7 +639,9 @@
     template <class _Tp>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_Tp&& __x) const
-        { return -_VSTD::forward<_Tp>(__x); }
+    _NOEXCEPT_(noexcept(- _VSTD::forward<_Tp>(__x)))
+    -> decltype        (- _VSTD::forward<_Tp>(__x))
+        { return        - _VSTD::forward<_Tp>(__x); }
     typedef void is_transparent;
 };
 #endif
@@ -654,7 +666,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) == _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) == _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) == _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) == _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -679,7 +693,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) != _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) != _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) != _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) != _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -704,7 +720,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) > _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) > _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) > _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) > _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -731,7 +749,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) >= _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) >= _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) >= _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) >= _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -756,7 +776,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) <= _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) <= _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) <= _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) <= _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -781,7 +803,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) && _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) && _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) && _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) && _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -806,7 +830,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) || _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) || _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) || _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) || _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -831,7 +857,9 @@
     template <class _Tp>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_Tp&& __x) const
-        { return !_VSTD::forward<_Tp>(__x); }
+    _NOEXCEPT_(noexcept(!_VSTD::forward<_Tp>(__x)))
+    -> decltype        (!_VSTD::forward<_Tp>(__x))
+        { return        !_VSTD::forward<_Tp>(__x); }
     typedef void is_transparent;
 };
 #endif
@@ -856,7 +884,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) & _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) & _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) & _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) & _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -881,7 +911,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) | _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) | _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) | _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) | _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -906,7 +938,9 @@
     template <class _T1, class _T2>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_T1&& __t, _T2&& __u) const
-        { return _VSTD::forward<_T1>(__t) ^ _VSTD::forward<_T2>(__u); }
+    _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) ^ _VSTD::forward<_T2>(__u)))
+    -> decltype        (_VSTD::forward<_T1>(__t) ^ _VSTD::forward<_T2>(__u))
+        { return        _VSTD::forward<_T1>(__t) ^ _VSTD::forward<_T2>(__u); }
     typedef void is_transparent;
 };
 #endif
@@ -927,7 +961,9 @@
     template <class _Tp>
     _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
     auto operator()(_Tp&& __x) const
-        { return ~_VSTD::forward<_Tp>(__x); }
+    _NOEXCEPT_(noexcept(~_VSTD::forward<_Tp>(__x)))
+    -> decltype        (~_VSTD::forward<_Tp>(__x))
+        { return        ~_VSTD::forward<_Tp>(__x); }
     typedef void is_transparent;
 };
 #endif