Make std::get constexpr git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@186525 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/__tuple b/include/__tuple index 1213262..9a6b6e0 100644 --- a/include/__tuple +++ b/include/__tuple 
@@ -79,47 +79,47 @@  template <class _Tp, size_t _Size> struct __tuple_like<array<_Tp, _Size> > : true_type {};    template <size_t _Ip, class ..._Tp> -_LIBCPP_INLINE_VISIBILITY +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11  typename tuple_element<_Ip, tuple<_Tp...> >::type&  get(tuple<_Tp...>&) _NOEXCEPT;    template <size_t _Ip, class ..._Tp> -_LIBCPP_INLINE_VISIBILITY +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11  const typename tuple_element<_Ip, tuple<_Tp...> >::type&  get(const tuple<_Tp...>&) _NOEXCEPT;    template <size_t _Ip, class ..._Tp> -_LIBCPP_INLINE_VISIBILITY +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11  typename tuple_element<_Ip, tuple<_Tp...> >::type&&  get(tuple<_Tp...>&&) _NOEXCEPT;    template <size_t _Ip, class _T1, class _T2> -_LIBCPP_INLINE_VISIBILITY +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11  typename tuple_element<_Ip, pair<_T1, _T2> >::type&  get(pair<_T1, _T2>&) _NOEXCEPT;    template <size_t _Ip, class _T1, class _T2> -_LIBCPP_INLINE_VISIBILITY +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11  const typename tuple_element<_Ip, pair<_T1, _T2> >::type&  get(const pair<_T1, _T2>&) _NOEXCEPT;    template <size_t _Ip, class _T1, class _T2> -_LIBCPP_INLINE_VISIBILITY +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11  typename tuple_element<_Ip, pair<_T1, _T2> >::type&&  get(pair<_T1, _T2>&&) _NOEXCEPT;    template <size_t _Ip, class _Tp, size_t _Size> -_LIBCPP_INLINE_VISIBILITY +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11  _Tp&  get(array<_Tp, _Size>&) _NOEXCEPT;    template <size_t _Ip, class _Tp, size_t _Size> -_LIBCPP_INLINE_VISIBILITY +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11  const _Tp&  get(const array<_Tp, _Size>&) _NOEXCEPT;    template <size_t _Ip, class _Tp, size_t _Size> -_LIBCPP_INLINE_VISIBILITY +_LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11  _Tp&&  get(array<_Tp, _Size>&&) _NOEXCEPT;