Implement the missing constexpr stuff in <array>. Fixes PR#31645. git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@292091 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/array b/include/array index eee9405..165ffad 100644 --- a/include/array +++ b/include/array
@@ -185,14 +185,17 @@ _LIBCPP_CONSTEXPR bool empty() const _NOEXCEPT {return _Size == 0;} // element access: - _LIBCPP_INLINE_VISIBILITY reference operator[](size_type __n) {return __elems_[__n];} - _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference operator[](size_type __n) const {return __elems_[__n];} - reference at(size_type __n); + _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 + reference operator[](size_type __n) {return __elems_[__n];} + _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 + const_reference operator[](size_type __n) const {return __elems_[__n];} + + _LIBCPP_CONSTEXPR_AFTER_CXX14 reference at(size_type __n); _LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference at(size_type __n) const; - _LIBCPP_INLINE_VISIBILITY reference front() {return __elems_[0];} + _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 reference front() {return __elems_[0];} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference front() const {return __elems_[0];} - _LIBCPP_INLINE_VISIBILITY reference back() {return __elems_[_Size > 0 ? _Size-1 : 0];} + _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 reference back() {return __elems_[_Size > 0 ? _Size-1 : 0];} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const_reference back() const {return __elems_[_Size > 0 ? _Size-1 : 0];} _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX14 @@ -202,6 +205,7 @@ }; template <class _Tp, size_t _Size> +_LIBCPP_CONSTEXPR_AFTER_CXX14 typename array<_Tp, _Size>::reference array<_Tp, _Size>::at(size_type __n) { 