Default the copy and move constructors for __tuple_leaf. This fixes bugs 18853 and 19118. Add a test case for that. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@206829 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/tuple b/include/tuple index 3a1752e..27a5a46 100644 --- a/include/tuple +++ b/include/tuple
@@ -268,17 +268,8 @@ >::value)), "Attempted to construct a reference element in a tuple with an rvalue");} - _LIBCPP_INLINE_VISIBILITY - _LIBCPP_CONSTEXPR_AFTER_CXX11 - __tuple_leaf(const __tuple_leaf& __t) _NOEXCEPT_(is_nothrow_copy_constructible<_Hp>::value) - : value(__t.get()) - {static_assert(!is_rvalue_reference<_Hp>::value, "Can not copy a tuple with rvalue reference member");} - - _LIBCPP_INLINE_VISIBILITY - _LIBCPP_CONSTEXPR_AFTER_CXX11 - __tuple_leaf(__tuple_leaf&& __t) _NOEXCEPT_(is_nothrow_move_constructible<_Hp>::value) - : value(_VSTD::forward<_Hp>(__t.get())) - {} + __tuple_leaf(const __tuple_leaf& __t) = default; + __tuple_leaf(__tuple_leaf&& __t) = default; template <class _Tp> _LIBCPP_INLINE_VISIBILITY 