Add trailing return types (and noexcept specifications) to the 'diamond operators'. Fixes PR#22600. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@230484 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/__functional_base b/include/__functional_base index e174e0c..09424bc 100644 --- a/include/__functional_base +++ b/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 
diff --git a/include/functional b/include/functional index 36d422c..070347a 100644 --- a/include/functional +++ b/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