Make std::get constexpr
llvm-svn: 186525
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: 8bf1f08a2cea3d28e173555c11bfab59dd16b231
diff --git a/include/tuple b/include/tuple
index c7a1c14..5d5debf 100644
--- a/include/tuple
+++ b/include/tuple
@@ -86,13 +86,13 @@
// 20.4.1.5, element access:
template <intsize_t I, class... T>
typename tuple_element<I, tuple<T...>>::type&
- get(tuple<T...>&) noexcept;
+ get(tuple<T...>&) noexcept; // constexpr in C++14
template <intsize_t I, class... T>
typename tuple_element<I, tuple<T...>>::type const&
- get(const tuple<T...>&) noexcept;
+ get(const tuple<T...>&) noexcept; // constexpr in C++14
template <intsize_t I, class... T>
typename tuple_element<I, tuple<T...>>::type&&
- get(tuple<T...>&&) noexcept;
+ get(tuple<T...>&&) noexcept; // constexpr in C++14
template <class T1, class... T>
constexpr T1& get(tuple<T...>&) noexcept; // C++14
@@ -546,11 +546,11 @@
base base_;
- template <size_t _Jp, class ..._Up> friend
+ template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_AFTER_CXX11
typename tuple_element<_Jp, tuple<_Up...> >::type& get(tuple<_Up...>&) _NOEXCEPT;
- template <size_t _Jp, class ..._Up> friend
+ template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_AFTER_CXX11
const typename tuple_element<_Jp, tuple<_Up...> >::type& get(const tuple<_Up...>&) _NOEXCEPT;
- template <size_t _Jp, class ..._Up> friend
+ template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_AFTER_CXX11
typename tuple_element<_Jp, tuple<_Up...> >::type&& get(tuple<_Up...>&&) _NOEXCEPT;
public:
@@ -763,7 +763,7 @@
// get
template <size_t _Ip, class ..._Tp>
-inline _LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
typename tuple_element<_Ip, tuple<_Tp...> >::type&
get(tuple<_Tp...>& __t) _NOEXCEPT
{
@@ -772,7 +772,7 @@
}
template <size_t _Ip, class ..._Tp>
-inline _LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
const typename tuple_element<_Ip, tuple<_Tp...> >::type&
get(const tuple<_Tp...>& __t) _NOEXCEPT
{
@@ -781,7 +781,7 @@
}
template <size_t _Ip, class ..._Tp>
-inline _LIBCPP_INLINE_VISIBILITY
+inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11
typename tuple_element<_Ip, tuple<_Tp...> >::type&&
get(tuple<_Tp...>&& __t) _NOEXCEPT
{