[libcxx-commits] [libcxx] [libc++] Make map constexpr as part of P3372R3 (PR #134330)
Vinay Deshmukh via libcxx-commits
libcxx-commits at lists.llvm.org
Tue Apr 8 18:47:40 PDT 2025
https://github.com/vinay-deshmukh updated https://github.com/llvm/llvm-project/pull/134330
>From 83583bb59845a52d7cbc6e1688ea6c809396c7e8 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Thu, 3 Apr 2025 20:35:56 -0400
Subject: [PATCH 01/27] Apply initial _LIBCPP_CONSTEXPR_SINCE_CXX26
---
libcxx/include/map | 238 ++++++++++++++++++++++++++++-----------------
1 file changed, 150 insertions(+), 88 deletions(-)
diff --git a/libcxx/include/map b/libcxx/include/map
index e7e0c14e36999..3719efd6b6e73 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -989,10 +989,11 @@ public:
protected:
key_compare comp;
- _LIBCPP_HIDE_FROM_ABI value_compare(key_compare __c) : comp(__c) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 value_compare(key_compare __c) : comp(__c) {}
public:
- _LIBCPP_HIDE_FROM_ABI bool operator()(const value_type& __x, const value_type& __y) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool
+ operator()(const value_type& __x, const value_type& __y) const {
return comp(__x.first, __y.first);
}
};
@@ -1029,26 +1030,27 @@ public:
template <class _Key2, class _Value2, class _Comp2, class _Alloc2>
friend class _LIBCPP_TEMPLATE_VIS multimap;
- _LIBCPP_HIDE_FROM_ABI map() _NOEXCEPT_(
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 map() _NOEXCEPT_(
is_nothrow_default_constructible<allocator_type>::value&& is_nothrow_default_constructible<key_compare>::value&&
is_nothrow_copy_constructible<key_compare>::value)
: __tree_(__vc(key_compare())) {}
- _LIBCPP_HIDE_FROM_ABI explicit map(const key_compare& __comp) _NOEXCEPT_(
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit map(const key_compare& __comp) _NOEXCEPT_(
is_nothrow_default_constructible<allocator_type>::value&& is_nothrow_copy_constructible<key_compare>::value)
: __tree_(__vc(__comp)) {}
- _LIBCPP_HIDE_FROM_ABI explicit map(const key_compare& __comp, const allocator_type& __a)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit map(const key_compare& __comp, const allocator_type& __a)
: __tree_(__vc(__comp), typename __base::allocator_type(__a)) {}
template <class _InputIterator>
- _LIBCPP_HIDE_FROM_ABI map(_InputIterator __f, _InputIterator __l, const key_compare& __comp = key_compare())
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26
+ map(_InputIterator __f, _InputIterator __l, const key_compare& __comp = key_compare())
: __tree_(__vc(__comp)) {
insert(__f, __l);
}
template <class _InputIterator>
- _LIBCPP_HIDE_FROM_ABI
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26
map(_InputIterator __f, _InputIterator __l, const key_compare& __comp, const allocator_type& __a)
: __tree_(__vc(__comp), typename __base::allocator_type(__a)) {
insert(__f, __l);
@@ -1056,7 +1058,7 @@ public:
# if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<value_type> _Range>
- _LIBCPP_HIDE_FROM_ABI
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26
map(from_range_t,
_Range&& __range,
const key_compare& __comp = key_compare(),
@@ -1068,19 +1070,22 @@ public:
# if _LIBCPP_STD_VER >= 14
template <class _InputIterator>
- _LIBCPP_HIDE_FROM_ABI map(_InputIterator __f, _InputIterator __l, const allocator_type& __a)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26
+ map(_InputIterator __f, _InputIterator __l, const allocator_type& __a)
: map(__f, __l, key_compare(), __a) {}
# endif
# if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<value_type> _Range>
- _LIBCPP_HIDE_FROM_ABI map(from_range_t, _Range&& __range, const allocator_type& __a)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 map(from_range_t, _Range&& __range, const allocator_type& __a)
: map(from_range, std::forward<_Range>(__range), key_compare(), __a) {}
# endif
- _LIBCPP_HIDE_FROM_ABI map(const map& __m) : __tree_(__m.__tree_) { insert(__m.begin(), __m.end()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 map(const map& __m) : __tree_(__m.__tree_) {
+ insert(__m.begin(), __m.end());
+ }
- _LIBCPP_HIDE_FROM_ABI map& operator=(const map& __m) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 map& operator=(const map& __m) {
# ifndef _LIBCPP_CXX03_LANG
__tree_ = __m.__tree_;
# else
@@ -1096,32 +1101,36 @@ public:
# ifndef _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI map(map&& __m) noexcept(is_nothrow_move_constructible<__base>::value)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26
+ map(map&& __m) noexcept(is_nothrow_move_constructible<__base>::value)
: __tree_(std::move(__m.__tree_)) {}
- _LIBCPP_HIDE_FROM_ABI map(map&& __m, const allocator_type& __a);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 map(map&& __m, const allocator_type& __a);
- _LIBCPP_HIDE_FROM_ABI map& operator=(map&& __m) noexcept(is_nothrow_move_assignable<__base>::value) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 map&
+ operator=(map&& __m) noexcept(is_nothrow_move_assignable<__base>::value) {
__tree_ = std::move(__m.__tree_);
return *this;
}
- _LIBCPP_HIDE_FROM_ABI map(initializer_list<value_type> __il, const key_compare& __comp = key_compare())
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26
+ map(initializer_list<value_type> __il, const key_compare& __comp = key_compare())
: __tree_(__vc(__comp)) {
insert(__il.begin(), __il.end());
}
- _LIBCPP_HIDE_FROM_ABI map(initializer_list<value_type> __il, const key_compare& __comp, const allocator_type& __a)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26
+ map(initializer_list<value_type> __il, const key_compare& __comp, const allocator_type& __a)
: __tree_(__vc(__comp), typename __base::allocator_type(__a)) {
insert(__il.begin(), __il.end());
}
# if _LIBCPP_STD_VER >= 14
- _LIBCPP_HIDE_FROM_ABI map(initializer_list<value_type> __il, const allocator_type& __a)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 map(initializer_list<value_type> __il, const allocator_type& __a)
: map(__il, key_compare(), __a) {}
# endif
- _LIBCPP_HIDE_FROM_ABI map& operator=(initializer_list<value_type> __il) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 map& operator=(initializer_list<value_type> __il) {
__tree_.__assign_unique(__il.begin(), __il.end());
return *this;
}
@@ -1130,43 +1139,65 @@ public:
_LIBCPP_HIDE_FROM_ABI explicit map(const allocator_type& __a) : __tree_(typename __base::allocator_type(__a)) {}
- _LIBCPP_HIDE_FROM_ABI map(const map& __m, const allocator_type& __a)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 map(const map& __m, const allocator_type& __a)
: __tree_(__m.__tree_.value_comp(), typename __base::allocator_type(__a)) {
insert(__m.begin(), __m.end());
}
- _LIBCPP_HIDE_FROM_ABI ~map() { static_assert(sizeof(std::__diagnose_non_const_comparator<_Key, _Compare>()), ""); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 ~map() {
+ static_assert(sizeof(std::__diagnose_non_const_comparator<_Key, _Compare>()), "");
+ }
- _LIBCPP_HIDE_FROM_ABI iterator begin() _NOEXCEPT { return __tree_.begin(); }
- _LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT { return __tree_.begin(); }
- _LIBCPP_HIDE_FROM_ABI iterator end() _NOEXCEPT { return __tree_.end(); }
- _LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT { return __tree_.end(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator begin() _NOEXCEPT { return __tree_.begin(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator begin() const _NOEXCEPT { return __tree_.begin(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator end() _NOEXCEPT { return __tree_.end(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator end() const _NOEXCEPT { return __tree_.end(); }
- _LIBCPP_HIDE_FROM_ABI reverse_iterator rbegin() _NOEXCEPT { return reverse_iterator(end()); }
- _LIBCPP_HIDE_FROM_ABI const_reverse_iterator rbegin() const _NOEXCEPT { return const_reverse_iterator(end()); }
- _LIBCPP_HIDE_FROM_ABI reverse_iterator rend() _NOEXCEPT { return reverse_iterator(begin()); }
- _LIBCPP_HIDE_FROM_ABI const_reverse_iterator rend() const _NOEXCEPT { return const_reverse_iterator(begin()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 reverse_iterator rbegin() _NOEXCEPT {
+ return reverse_iterator(end());
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_reverse_iterator rbegin() const _NOEXCEPT {
+ return const_reverse_iterator(end());
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 reverse_iterator rend() _NOEXCEPT {
+ return reverse_iterator(begin());
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_reverse_iterator rend() const _NOEXCEPT {
+ return const_reverse_iterator(begin());
+ }
- _LIBCPP_HIDE_FROM_ABI const_iterator cbegin() const _NOEXCEPT { return begin(); }
- _LIBCPP_HIDE_FROM_ABI const_iterator cend() const _NOEXCEPT { return end(); }
- _LIBCPP_HIDE_FROM_ABI const_reverse_iterator crbegin() const _NOEXCEPT { return rbegin(); }
- _LIBCPP_HIDE_FROM_ABI const_reverse_iterator crend() const _NOEXCEPT { return rend(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator cbegin() const _NOEXCEPT { return begin(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator cend() const _NOEXCEPT { return end(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_reverse_iterator crbegin() const _NOEXCEPT {
+ return rbegin();
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_reverse_iterator crend() const _NOEXCEPT { return rend(); }
- [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI bool empty() const _NOEXCEPT { return __tree_.size() == 0; }
- _LIBCPP_HIDE_FROM_ABI size_type size() const _NOEXCEPT { return __tree_.size(); }
- _LIBCPP_HIDE_FROM_ABI size_type max_size() const _NOEXCEPT { return __tree_.max_size(); }
+ [[__nodiscard__]] _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool empty() const _NOEXCEPT {
+ return __tree_.size() == 0;
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type size() const _NOEXCEPT { return __tree_.size(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type max_size() const _NOEXCEPT {
+ return __tree_.max_size();
+ }
- _LIBCPP_HIDE_FROM_ABI mapped_type& operator[](const key_type& __k);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 mapped_type& operator[](const key_type& __k);
# ifndef _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI mapped_type& operator[](key_type&& __k);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 mapped_type& operator[](key_type&& __k);
# endif
- _LIBCPP_HIDE_FROM_ABI mapped_type& at(const key_type& __k);
- _LIBCPP_HIDE_FROM_ABI const mapped_type& at(const key_type& __k) const;
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 mapped_type& at(const key_type& __k);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const mapped_type& at(const key_type& __k) const;
- _LIBCPP_HIDE_FROM_ABI allocator_type get_allocator() const _NOEXCEPT { return allocator_type(__tree_.__alloc()); }
- _LIBCPP_HIDE_FROM_ABI key_compare key_comp() const { return __tree_.value_comp().key_comp(); }
- _LIBCPP_HIDE_FROM_ABI value_compare value_comp() const { return value_compare(__tree_.value_comp().key_comp()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 allocator_type get_allocator() const _NOEXCEPT {
+ return allocator_type(__tree_.__alloc());
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 key_compare key_comp() const {
+ return __tree_.value_comp().key_comp();
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 value_compare value_comp() const {
+ return value_compare(__tree_.value_comp().key_comp());
+ }
# ifndef _LIBCPP_CXX03_LANG
template <class... _Args>
@@ -1853,50 +1884,56 @@ public:
# ifndef _LIBCPP_CXX03_LANG
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI iterator emplace(_Args&&... __args) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator emplace(_Args&&... __args) {
return __tree_.__emplace_multi(std::forward<_Args>(__args)...);
}
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI iterator emplace_hint(const_iterator __p, _Args&&... __args) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator emplace_hint(const_iterator __p, _Args&&... __args) {
return __tree_.__emplace_hint_multi(__p.__i_, std::forward<_Args>(__args)...);
}
template <class _Pp, __enable_if_t<is_constructible<value_type, _Pp>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI iterator insert(_Pp&& __p) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(_Pp&& __p) {
return __tree_.__insert_multi(std::forward<_Pp>(__p));
}
template <class _Pp, __enable_if_t<is_constructible<value_type, _Pp>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __pos, _Pp&& __p) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(const_iterator __pos, _Pp&& __p) {
return __tree_.__insert_multi(__pos.__i_, std::forward<_Pp>(__p));
}
- _LIBCPP_HIDE_FROM_ABI iterator insert(value_type&& __v) { return __tree_.__insert_multi(std::move(__v)); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(value_type&& __v) {
+ return __tree_.__insert_multi(std::move(__v));
+ }
- _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __p, value_type&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(const_iterator __p, value_type&& __v) {
return __tree_.__insert_multi(__p.__i_, std::move(__v));
}
- _LIBCPP_HIDE_FROM_ABI void insert(initializer_list<value_type> __il) { insert(__il.begin(), __il.end()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void insert(initializer_list<value_type> __il) {
+ insert(__il.begin(), __il.end());
+ }
# endif // _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI iterator insert(const value_type& __v) { return __tree_.__insert_multi(__v); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(const value_type& __v) {
+ return __tree_.__insert_multi(__v);
+ }
- _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __p, const value_type& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(const_iterator __p, const value_type& __v) {
return __tree_.__insert_multi(__p.__i_, __v);
}
template <class _InputIterator>
- _LIBCPP_HIDE_FROM_ABI void insert(_InputIterator __f, _InputIterator __l) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void insert(_InputIterator __f, _InputIterator __l) {
for (const_iterator __e = cend(); __f != __l; ++__f)
__tree_.__insert_multi(__e.__i_, *__f);
}
# if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<value_type> _Range>
- _LIBCPP_HIDE_FROM_ABI void insert_range(_Range&& __range) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void insert_range(_Range&& __range) {
const_iterator __end = cend();
for (auto&& __element : __range) {
__tree_.__insert_multi(__end.__i_, std::forward<decltype(__element)>(__element));
@@ -1904,131 +1941,156 @@ public:
}
# endif
- _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __p) { return __tree_.erase(__p.__i_); }
- _LIBCPP_HIDE_FROM_ABI iterator erase(iterator __p) { return __tree_.erase(__p.__i_); }
- _LIBCPP_HIDE_FROM_ABI size_type erase(const key_type& __k) { return __tree_.__erase_multi(__k); }
- _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __f, const_iterator __l) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator erase(const_iterator __p) {
+ return __tree_.erase(__p.__i_);
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator erase(iterator __p) { return __tree_.erase(__p.__i_); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type erase(const key_type& __k) {
+ return __tree_.__erase_multi(__k);
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator erase(const_iterator __f, const_iterator __l) {
return __tree_.erase(__f.__i_, __l.__i_);
}
# if _LIBCPP_STD_VER >= 17
- _LIBCPP_HIDE_FROM_ABI iterator insert(node_type&& __nh) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(node_type&& __nh) {
_LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(__nh.empty() || __nh.get_allocator() == get_allocator(),
"node_type with incompatible allocator passed to multimap::insert()");
return __tree_.template __node_handle_insert_multi<node_type>(std::move(__nh));
}
- _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __hint, node_type&& __nh) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(const_iterator __hint, node_type&& __nh) {
_LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(__nh.empty() || __nh.get_allocator() == get_allocator(),
"node_type with incompatible allocator passed to multimap::insert()");
return __tree_.template __node_handle_insert_multi<node_type>(__hint.__i_, std::move(__nh));
}
- _LIBCPP_HIDE_FROM_ABI node_type extract(key_type const& __key) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 node_type extract(key_type const& __key) {
return __tree_.template __node_handle_extract<node_type>(__key);
}
- _LIBCPP_HIDE_FROM_ABI node_type extract(const_iterator __it) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 node_type extract(const_iterator __it) {
return __tree_.template __node_handle_extract<node_type>(__it.__i_);
}
template <class _Compare2>
- _LIBCPP_HIDE_FROM_ABI void merge(multimap<key_type, mapped_type, _Compare2, allocator_type>& __source) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void
+ merge(multimap<key_type, mapped_type, _Compare2, allocator_type>& __source) {
_LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(
__source.get_allocator() == get_allocator(), "merging container with incompatible allocator");
return __tree_.__node_handle_merge_multi(__source.__tree_);
}
template <class _Compare2>
- _LIBCPP_HIDE_FROM_ABI void merge(multimap<key_type, mapped_type, _Compare2, allocator_type>&& __source) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void
+ merge(multimap<key_type, mapped_type, _Compare2, allocator_type>&& __source) {
_LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(
__source.get_allocator() == get_allocator(), "merging container with incompatible allocator");
return __tree_.__node_handle_merge_multi(__source.__tree_);
}
template <class _Compare2>
- _LIBCPP_HIDE_FROM_ABI void merge(map<key_type, mapped_type, _Compare2, allocator_type>& __source) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void
+ merge(map<key_type, mapped_type, _Compare2, allocator_type>& __source) {
_LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(
__source.get_allocator() == get_allocator(), "merging container with incompatible allocator");
return __tree_.__node_handle_merge_multi(__source.__tree_);
}
template <class _Compare2>
- _LIBCPP_HIDE_FROM_ABI void merge(map<key_type, mapped_type, _Compare2, allocator_type>&& __source) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void
+ merge(map<key_type, mapped_type, _Compare2, allocator_type>&& __source) {
_LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(
__source.get_allocator() == get_allocator(), "merging container with incompatible allocator");
return __tree_.__node_handle_merge_multi(__source.__tree_);
}
# endif
- _LIBCPP_HIDE_FROM_ABI void clear() _NOEXCEPT { __tree_.clear(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void clear() _NOEXCEPT { __tree_.clear(); }
- _LIBCPP_HIDE_FROM_ABI void swap(multimap& __m) _NOEXCEPT_(__is_nothrow_swappable_v<__base>) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void swap(multimap& __m)
+ _NOEXCEPT_(__is_nothrow_swappable_v<__base>) {
__tree_.swap(__m.__tree_);
}
- _LIBCPP_HIDE_FROM_ABI iterator find(const key_type& __k) { return __tree_.find(__k); }
- _LIBCPP_HIDE_FROM_ABI const_iterator find(const key_type& __k) const { return __tree_.find(__k); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator find(const key_type& __k) { return __tree_.find(__k); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator find(const key_type& __k) const {
+ return __tree_.find(__k);
+ }
# if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent_v<_Compare, _K2>, int> = 0>
- _LIBCPP_HIDE_FROM_ABI iterator find(const _K2& __k) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator find(const _K2& __k) {
return __tree_.find(__k);
}
template <typename _K2, enable_if_t<__is_transparent_v<_Compare, _K2>, int> = 0>
- _LIBCPP_HIDE_FROM_ABI const_iterator find(const _K2& __k) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator find(const _K2& __k) const {
return __tree_.find(__k);
}
# endif
- _LIBCPP_HIDE_FROM_ABI size_type count(const key_type& __k) const { return __tree_.__count_multi(__k); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type count(const key_type& __k) const {
+ return __tree_.__count_multi(__k);
+ }
# if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent_v<_Compare, _K2>, int> = 0>
- _LIBCPP_HIDE_FROM_ABI size_type count(const _K2& __k) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type count(const _K2& __k) const {
return __tree_.__count_multi(__k);
}
# endif
# if _LIBCPP_STD_VER >= 20
- _LIBCPP_HIDE_FROM_ABI bool contains(const key_type& __k) const { return find(__k) != end(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool contains(const key_type& __k) const {
+ return find(__k) != end();
+ }
template <typename _K2, enable_if_t<__is_transparent_v<_Compare, _K2>, int> = 0>
- _LIBCPP_HIDE_FROM_ABI bool contains(const _K2& __k) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool contains(const _K2& __k) const {
return find(__k) != end();
}
# endif // _LIBCPP_STD_VER >= 20
- _LIBCPP_HIDE_FROM_ABI iterator lower_bound(const key_type& __k) { return __tree_.lower_bound(__k); }
- _LIBCPP_HIDE_FROM_ABI const_iterator lower_bound(const key_type& __k) const { return __tree_.lower_bound(__k); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator lower_bound(const key_type& __k) {
+ return __tree_.lower_bound(__k);
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator lower_bound(const key_type& __k) const {
+ return __tree_.lower_bound(__k);
+ }
# if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent_v<_Compare, _K2>, int> = 0>
- _LIBCPP_HIDE_FROM_ABI iterator lower_bound(const _K2& __k) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator lower_bound(const _K2& __k) {
return __tree_.lower_bound(__k);
}
template <typename _K2, enable_if_t<__is_transparent_v<_Compare, _K2>, int> = 0>
- _LIBCPP_HIDE_FROM_ABI const_iterator lower_bound(const _K2& __k) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator lower_bound(const _K2& __k) const {
return __tree_.lower_bound(__k);
}
# endif
- _LIBCPP_HIDE_FROM_ABI iterator upper_bound(const key_type& __k) { return __tree_.upper_bound(__k); }
- _LIBCPP_HIDE_FROM_ABI const_iterator upper_bound(const key_type& __k) const { return __tree_.upper_bound(__k); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator upper_bound(const key_type& __k) {
+ return __tree_.upper_bound(__k);
+ }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator upper_bound(const key_type& __k) const {
+ return __tree_.upper_bound(__k);
+ }
# if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent_v<_Compare, _K2>, int> = 0>
- _LIBCPP_HIDE_FROM_ABI iterator upper_bound(const _K2& __k) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator upper_bound(const _K2& __k) {
return __tree_.upper_bound(__k);
}
template <typename _K2, enable_if_t<__is_transparent_v<_Compare, _K2>, int> = 0>
- _LIBCPP_HIDE_FROM_ABI const_iterator upper_bound(const _K2& __k) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator upper_bound(const _K2& __k) const {
return __tree_.upper_bound(__k);
}
# endif
- _LIBCPP_HIDE_FROM_ABI pair<iterator, iterator> equal_range(const key_type& __k) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, iterator> equal_range(const key_type& __k) {
return __tree_.__equal_range_multi(__k);
}
- _LIBCPP_HIDE_FROM_ABI pair<const_iterator, const_iterator> equal_range(const key_type& __k) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<const_iterator, const_iterator>
+ equal_range(const key_type& __k) const {
return __tree_.__equal_range_multi(__k);
}
# if _LIBCPP_STD_VER >= 14
template <typename _K2, enable_if_t<__is_transparent_v<_Compare, _K2>, int> = 0>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, iterator> equal_range(const _K2& __k) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, iterator> equal_range(const _K2& __k) {
return __tree_.__equal_range_multi(__k);
}
template <typename _K2, enable_if_t<__is_transparent_v<_Compare, _K2>, int> = 0>
- _LIBCPP_HIDE_FROM_ABI pair<const_iterator, const_iterator> equal_range(const _K2& __k) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<const_iterator, const_iterator>
+ equal_range(const _K2& __k) const {
return __tree_.__equal_range_multi(__k);
}
# endif
>From 6560dd52ad94443674334585ef8d01f59032f59c Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Thu, 3 Apr 2025 20:37:35 -0400
Subject: [PATCH 02/27] Add feature test macro
---
libcxx/docs/FeatureTestMacroTable.rst | 2 ++
libcxx/include/version | 2 ++
2 files changed, 4 insertions(+)
diff --git a/libcxx/docs/FeatureTestMacroTable.rst b/libcxx/docs/FeatureTestMacroTable.rst
index bbcc76b52f0a9..a72ddbdb3e67a 100644
--- a/libcxx/docs/FeatureTestMacroTable.rst
+++ b/libcxx/docs/FeatureTestMacroTable.rst
@@ -210,6 +210,8 @@ Status
---------------------------------------------------------- -----------------
``__cpp_lib_constexpr_iterator`` ``201811L``
---------------------------------------------------------- -----------------
+ ``__cpp_lib_constexpr_map`` ``202502L``
+ ---------------------------------------------------------- -----------------
``__cpp_lib_constexpr_memory`` ``201811L``
---------------------------------------------------------- -----------------
``__cpp_lib_constexpr_numeric`` ``201911L``
diff --git a/libcxx/include/version b/libcxx/include/version
index 83ae11dabd2bc..4f94be1ca14a8 100644
--- a/libcxx/include/version
+++ b/libcxx/include/version
@@ -69,6 +69,7 @@ __cpp_lib_constexpr_complex 201711L <complex>
__cpp_lib_constexpr_dynamic_alloc 201907L <memory>
__cpp_lib_constexpr_functional 201907L <functional>
__cpp_lib_constexpr_iterator 201811L <iterator>
+__cpp_lib_constexpr_map 202502L <map>
__cpp_lib_constexpr_memory 202202L <memory>
201811L // C++20
__cpp_lib_constexpr_new 202406L <new>
@@ -538,6 +539,7 @@ __cpp_lib_void_t 201411L <type_traits>
# define __cpp_lib_bind_front 202306L
# define __cpp_lib_bitset 202306L
# undef __cpp_lib_constexpr_algorithms
+# define __cpp_lib_constexpr_map 202502L
# define __cpp_lib_constexpr_algorithms 202306L
# if !defined(_LIBCPP_ABI_VCRUNTIME)
# define __cpp_lib_constexpr_new 202406L
>From ce1a62f120212634daab4d844aec1e2ac343e4df Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Thu, 3 Apr 2025 21:20:23 -0400
Subject: [PATCH 03/27] one test to start with
---
.../associative/map/map.cons/alloc.pass.cpp | 11 +++++++++--
1 file changed, 9 insertions(+), 2 deletions(-)
diff --git a/libcxx/test/std/containers/associative/map/map.cons/alloc.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/alloc.pass.cpp
index 52199204d7914..9b854659c38f9 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/alloc.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/alloc.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// explicit map(const allocator_type& a);
+// explicit map(const allocator_type& a); // constexpr since C++26
#include <map>
#include <cassert>
@@ -19,7 +19,7 @@
#include "test_allocator.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::less<int> C;
typedef test_allocator<std::pair<const int, double> > A;
@@ -46,6 +46,13 @@ int main(int, char**) {
assert(m.get_allocator() == A());
}
#endif
+ return true;
+}
+int main(int, char**) {
+ test();
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
>From a72b619c130bfd03f50f662556989cc217c73032 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Sat, 5 Apr 2025 02:00:35 -0400
Subject: [PATCH 04/27] start seeing constexpr failures for at.pass.cpp
---
libcxx/include/__tree | 62 +++++++++---------
libcxx/include/map | 64 +++++++++----------
.../associative/map/map.access/at.pass.cpp | 13 +++-
3 files changed, 73 insertions(+), 66 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index 9d28381c8c2ce..ff57d63f15789 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -967,39 +967,39 @@ public:
typedef __tree_iterator<value_type, __node_pointer, difference_type> iterator;
typedef __tree_const_iterator<value_type, __node_pointer, difference_type> const_iterator;
- _LIBCPP_HIDE_FROM_ABI explicit __tree(const value_compare& __comp) _NOEXCEPT_(
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit __tree(const value_compare& __comp) _NOEXCEPT_(
is_nothrow_default_constructible<__node_allocator>::value&& is_nothrow_copy_constructible<value_compare>::value);
- _LIBCPP_HIDE_FROM_ABI explicit __tree(const allocator_type& __a);
- _LIBCPP_HIDE_FROM_ABI __tree(const value_compare& __comp, const allocator_type& __a);
- _LIBCPP_HIDE_FROM_ABI __tree(const __tree& __t);
- _LIBCPP_HIDE_FROM_ABI __tree& operator=(const __tree& __t);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit __tree(const allocator_type& __a);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree(const value_compare& __comp, const allocator_type& __a);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree(const __tree& __t);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree& operator=(const __tree& __t);
template <class _ForwardIterator>
- _LIBCPP_HIDE_FROM_ABI void __assign_unique(_ForwardIterator __first, _ForwardIterator __last);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __assign_unique(_ForwardIterator __first, _ForwardIterator __last);
template <class _InputIterator>
- _LIBCPP_HIDE_FROM_ABI void __assign_multi(_InputIterator __first, _InputIterator __last);
- _LIBCPP_HIDE_FROM_ABI __tree(__tree&& __t) _NOEXCEPT_(
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __assign_multi(_InputIterator __first, _InputIterator __last);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree(__tree&& __t) _NOEXCEPT_(
is_nothrow_move_constructible<__node_allocator>::value&& is_nothrow_move_constructible<value_compare>::value);
- _LIBCPP_HIDE_FROM_ABI __tree(__tree&& __t, const allocator_type& __a);
- _LIBCPP_HIDE_FROM_ABI __tree& operator=(__tree&& __t)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree(__tree&& __t, const allocator_type& __a);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree& operator=(__tree&& __t)
_NOEXCEPT_(is_nothrow_move_assignable<value_compare>::value &&
((__node_traits::propagate_on_container_move_assignment::value &&
is_nothrow_move_assignable<__node_allocator>::value) ||
allocator_traits<__node_allocator>::is_always_equal::value));
- _LIBCPP_HIDE_FROM_ABI ~__tree();
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 ~__tree();
- _LIBCPP_HIDE_FROM_ABI iterator begin() _NOEXCEPT { return iterator(__begin_node()); }
- _LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT { return const_iterator(__begin_node()); }
- _LIBCPP_HIDE_FROM_ABI iterator end() _NOEXCEPT { return iterator(__end_node()); }
- _LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT { return const_iterator(__end_node()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator begin() _NOEXCEPT { return iterator(__begin_node()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator begin() const _NOEXCEPT { return const_iterator(__begin_node()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator end() _NOEXCEPT { return iterator(__end_node()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const_iterator end() const _NOEXCEPT { return const_iterator(__end_node()); }
- _LIBCPP_HIDE_FROM_ABI size_type max_size() const _NOEXCEPT {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type max_size() const _NOEXCEPT {
return std::min<size_type>(__node_traits::max_size(__node_alloc()), numeric_limits<difference_type >::max());
}
- _LIBCPP_HIDE_FROM_ABI void clear() _NOEXCEPT;
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void clear() _NOEXCEPT;
- _LIBCPP_HIDE_FROM_ABI void swap(__tree& __t)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void swap(__tree& __t)
#if _LIBCPP_STD_VER <= 11
_NOEXCEPT_(__is_nothrow_swappable_v<value_compare> &&
(!__node_traits::propagate_on_container_swap::value || __is_nothrow_swappable_v<__node_allocator>));
@@ -1315,20 +1315,20 @@ private:
};
template <class _Tp, class _Compare, class _Allocator>
-__tree<_Tp, _Compare, _Allocator>::__tree(const value_compare& __comp) _NOEXCEPT_(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__tree(const value_compare& __comp) _NOEXCEPT_(
is_nothrow_default_constructible<__node_allocator>::value&& is_nothrow_copy_constructible<value_compare>::value)
: __size_(0), __value_comp_(__comp) {
__begin_node() = __end_node();
}
template <class _Tp, class _Compare, class _Allocator>
-__tree<_Tp, _Compare, _Allocator>::__tree(const allocator_type& __a)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__tree(const allocator_type& __a)
: __begin_node_(__iter_pointer()), __node_alloc_(__node_allocator(__a)), __size_(0) {
__begin_node() = __end_node();
}
template <class _Tp, class _Compare, class _Allocator>
-__tree<_Tp, _Compare, _Allocator>::__tree(const value_compare& __comp, const allocator_type& __a)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__tree(const value_compare& __comp, const allocator_type& __a)
: __begin_node_(__iter_pointer()), __node_alloc_(__node_allocator(__a)), __size_(0), __value_comp_(__comp) {
__begin_node() = __end_node();
}
@@ -1375,7 +1375,7 @@ __tree<_Tp, _Compare, _Allocator>::_DetachedTreeCache::__detach_next(__node_poin
}
template <class _Tp, class _Compare, class _Allocator>
-__tree<_Tp, _Compare, _Allocator>& __tree<_Tp, _Compare, _Allocator>::operator=(const __tree& __t) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>& __tree<_Tp, _Compare, _Allocator>::operator=(const __tree& __t) {
if (this != std::addressof(__t)) {
value_comp() = __t.value_comp();
__copy_assign_alloc(__t);
@@ -1386,7 +1386,7 @@ __tree<_Tp, _Compare, _Allocator>& __tree<_Tp, _Compare, _Allocator>::operator=(
template <class _Tp, class _Compare, class _Allocator>
template <class _ForwardIterator>
-void __tree<_Tp, _Compare, _Allocator>::__assign_unique(_ForwardIterator __first, _ForwardIterator __last) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree<_Tp, _Compare, _Allocator>::__assign_unique(_ForwardIterator __first, _ForwardIterator __last) {
typedef iterator_traits<_ForwardIterator> _ITraits;
typedef typename _ITraits::value_type _ItValueType;
static_assert(is_same<_ItValueType, __container_value_type>::value,
@@ -1406,7 +1406,7 @@ void __tree<_Tp, _Compare, _Allocator>::__assign_unique(_ForwardIterator __first
template <class _Tp, class _Compare, class _Allocator>
template <class _InputIterator>
-void __tree<_Tp, _Compare, _Allocator>::__assign_multi(_InputIterator __first, _InputIterator __last) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree<_Tp, _Compare, _Allocator>::__assign_multi(_InputIterator __first, _InputIterator __last) {
typedef iterator_traits<_InputIterator> _ITraits;
typedef typename _ITraits::value_type _ItValueType;
static_assert(
@@ -1426,7 +1426,7 @@ void __tree<_Tp, _Compare, _Allocator>::__assign_multi(_InputIterator __first, _
}
template <class _Tp, class _Compare, class _Allocator>
-__tree<_Tp, _Compare, _Allocator>::__tree(const __tree& __t)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__tree(const __tree& __t)
: __begin_node_(__iter_pointer()),
__node_alloc_(__node_traits::select_on_container_copy_construction(__t.__node_alloc())),
__size_(0),
@@ -1435,7 +1435,7 @@ __tree<_Tp, _Compare, _Allocator>::__tree(const __tree& __t)
}
template <class _Tp, class _Compare, class _Allocator>
-__tree<_Tp, _Compare, _Allocator>::__tree(__tree&& __t) _NOEXCEPT_(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__tree(__tree&& __t) _NOEXCEPT_(
is_nothrow_move_constructible<__node_allocator>::value&& is_nothrow_move_constructible<value_compare>::value)
: __begin_node_(std::move(__t.__begin_node_)),
__end_node_(std::move(__t.__end_node_)),
@@ -1453,7 +1453,7 @@ __tree<_Tp, _Compare, _Allocator>::__tree(__tree&& __t) _NOEXCEPT_(
}
template <class _Tp, class _Compare, class _Allocator>
-__tree<_Tp, _Compare, _Allocator>::__tree(__tree&& __t, const allocator_type& __a)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__tree(__tree&& __t, const allocator_type& __a)
: __node_alloc_(__node_allocator(__a)), __size_(0), __value_comp_(std::move(__t.value_comp())) {
if (__a == __t.__alloc()) {
if (__t.size() == 0)
@@ -1512,7 +1512,7 @@ void __tree<_Tp, _Compare, _Allocator>::__move_assign(__tree& __t, false_type) {
}
template <class _Tp, class _Compare, class _Allocator>
-__tree<_Tp, _Compare, _Allocator>& __tree<_Tp, _Compare, _Allocator>::operator=(__tree&& __t)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>& __tree<_Tp, _Compare, _Allocator>::operator=(__tree&& __t)
_NOEXCEPT_(is_nothrow_move_assignable<value_compare>::value &&
((__node_traits::propagate_on_container_move_assignment::value &&
is_nothrow_move_assignable<__node_allocator>::value) ||
@@ -1522,7 +1522,7 @@ __tree<_Tp, _Compare, _Allocator>& __tree<_Tp, _Compare, _Allocator>::operator=(
}
template <class _Tp, class _Compare, class _Allocator>
-__tree<_Tp, _Compare, _Allocator>::~__tree() {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::~__tree() {
static_assert(is_copy_constructible<value_compare>::value, "Comparator must be copy-constructible.");
destroy(__root());
}
@@ -1539,7 +1539,7 @@ void __tree<_Tp, _Compare, _Allocator>::destroy(__node_pointer __nd) _NOEXCEPT {
}
template <class _Tp, class _Compare, class _Allocator>
-void __tree<_Tp, _Compare, _Allocator>::swap(__tree& __t)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree<_Tp, _Compare, _Allocator>::swap(__tree& __t)
#if _LIBCPP_STD_VER <= 11
_NOEXCEPT_(__is_nothrow_swappable_v<value_compare> &&
(!__node_traits::propagate_on_container_swap::value || __is_nothrow_swappable_v<__node_allocator>))
@@ -1564,7 +1564,7 @@ void __tree<_Tp, _Compare, _Allocator>::swap(__tree& __t)
}
template <class _Tp, class _Compare, class _Allocator>
-void __tree<_Tp, _Compare, _Allocator>::clear() _NOEXCEPT {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree<_Tp, _Compare, _Allocator>::clear() _NOEXCEPT {
destroy(__root());
size() = 0;
__begin_node() = __end_node();
diff --git a/libcxx/include/map b/libcxx/include/map
index 3719efd6b6e73..3ae485f1ce029 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -1201,54 +1201,54 @@ public:
# ifndef _LIBCPP_CXX03_LANG
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> emplace(_Args&&... __args) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> emplace(_Args&&... __args) {
return __tree_.__emplace_unique(std::forward<_Args>(__args)...);
}
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI iterator emplace_hint(const_iterator __p, _Args&&... __args) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator emplace_hint(const_iterator __p, _Args&&... __args) {
return __tree_.__emplace_hint_unique(__p.__i_, std::forward<_Args>(__args)...);
}
template <class _Pp, __enable_if_t<is_constructible<value_type, _Pp>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> insert(_Pp&& __p) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> insert(_Pp&& __p) {
return __tree_.__insert_unique(std::forward<_Pp>(__p));
}
template <class _Pp, __enable_if_t<is_constructible<value_type, _Pp>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __pos, _Pp&& __p) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(const_iterator __pos, _Pp&& __p) {
return __tree_.__insert_unique(__pos.__i_, std::forward<_Pp>(__p));
}
# endif // _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> insert(const value_type& __v) { return __tree_.__insert_unique(__v); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> insert(const value_type& __v) { return __tree_.__insert_unique(__v); }
- _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __p, const value_type& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(const_iterator __p, const value_type& __v) {
return __tree_.__insert_unique(__p.__i_, __v);
}
# ifndef _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> insert(value_type&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> insert(value_type&& __v) {
return __tree_.__insert_unique(std::move(__v));
}
- _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __p, value_type&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(const_iterator __p, value_type&& __v) {
return __tree_.__insert_unique(__p.__i_, std::move(__v));
}
- _LIBCPP_HIDE_FROM_ABI void insert(initializer_list<value_type> __il) { insert(__il.begin(), __il.end()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void insert(initializer_list<value_type> __il) { insert(__il.begin(), __il.end()); }
# endif
template <class _InputIterator>
- _LIBCPP_HIDE_FROM_ABI void insert(_InputIterator __f, _InputIterator __l) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void insert(_InputIterator __f, _InputIterator __l) {
for (const_iterator __e = cend(); __f != __l; ++__f)
insert(__e.__i_, *__f);
}
# if _LIBCPP_STD_VER >= 23
template <_ContainerCompatibleRange<value_type> _Range>
- _LIBCPP_HIDE_FROM_ABI void insert_range(_Range&& __range) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void insert_range(_Range&& __range) {
const_iterator __end = cend();
for (auto&& __element : __range) {
insert(__end.__i_, std::forward<decltype(__element)>(__element));
@@ -1259,7 +1259,7 @@ public:
# if _LIBCPP_STD_VER >= 17
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> try_emplace(const key_type& __k, _Args&&... __args) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> try_emplace(const key_type& __k, _Args&&... __args) {
return __tree_.__emplace_unique_key_args(
__k,
std::piecewise_construct,
@@ -1268,7 +1268,7 @@ public:
}
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> try_emplace(key_type&& __k, _Args&&... __args) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> try_emplace(key_type&& __k, _Args&&... __args) {
return __tree_.__emplace_unique_key_args(
__k,
std::piecewise_construct,
@@ -1277,7 +1277,7 @@ public:
}
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI iterator try_emplace(const_iterator __h, const key_type& __k, _Args&&... __args) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator try_emplace(const_iterator __h, const key_type& __k, _Args&&... __args) {
return __tree_
.__emplace_hint_unique_key_args(
__h.__i_,
@@ -1289,7 +1289,7 @@ public:
}
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI iterator try_emplace(const_iterator __h, key_type&& __k, _Args&&... __args) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator try_emplace(const_iterator __h, key_type&& __k, _Args&&... __args) {
return __tree_
.__emplace_hint_unique_key_args(
__h.__i_,
@@ -1301,7 +1301,7 @@ public:
}
template <class _Vp>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> insert_or_assign(const key_type& __k, _Vp&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> insert_or_assign(const key_type& __k, _Vp&& __v) {
iterator __p = lower_bound(__k);
if (__p != end() && !key_comp()(__k, __p->first)) {
__p->second = std::forward<_Vp>(__v);
@@ -1311,7 +1311,7 @@ public:
}
template <class _Vp>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> insert_or_assign(key_type&& __k, _Vp&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> insert_or_assign(key_type&& __k, _Vp&& __v) {
iterator __p = lower_bound(__k);
if (__p != end() && !key_comp()(__k, __p->first)) {
__p->second = std::forward<_Vp>(__v);
@@ -1321,7 +1321,7 @@ public:
}
template <class _Vp>
- _LIBCPP_HIDE_FROM_ABI iterator insert_or_assign(const_iterator __h, const key_type& __k, _Vp&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert_or_assign(const_iterator __h, const key_type& __k, _Vp&& __v) {
auto [__r, __inserted] = __tree_.__emplace_hint_unique_key_args(__h.__i_, __k, __k, std::forward<_Vp>(__v));
if (!__inserted)
@@ -1331,7 +1331,7 @@ public:
}
template <class _Vp>
- _LIBCPP_HIDE_FROM_ABI iterator insert_or_assign(const_iterator __h, key_type&& __k, _Vp&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert_or_assign(const_iterator __h, key_type&& __k, _Vp&& __v) {
auto [__r, __inserted] =
__tree_.__emplace_hint_unique_key_args(__h.__i_, __k, std::move(__k), std::forward<_Vp>(__v));
@@ -1343,26 +1343,26 @@ public:
# endif // _LIBCPP_STD_VER >= 17
- _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __p) { return __tree_.erase(__p.__i_); }
- _LIBCPP_HIDE_FROM_ABI iterator erase(iterator __p) { return __tree_.erase(__p.__i_); }
- _LIBCPP_HIDE_FROM_ABI size_type erase(const key_type& __k) { return __tree_.__erase_unique(__k); }
- _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __f, const_iterator __l) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator erase(const_iterator __p) { return __tree_.erase(__p.__i_); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator erase(iterator __p) { return __tree_.erase(__p.__i_); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type erase(const key_type& __k) { return __tree_.__erase_unique(__k); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator erase(const_iterator __f, const_iterator __l) {
return __tree_.erase(__f.__i_, __l.__i_);
}
- _LIBCPP_HIDE_FROM_ABI void clear() _NOEXCEPT { __tree_.clear(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void clear() _NOEXCEPT { __tree_.clear(); }
# if _LIBCPP_STD_VER >= 17
- _LIBCPP_HIDE_FROM_ABI insert_return_type insert(node_type&& __nh) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 insert_return_type insert(node_type&& __nh) {
_LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(__nh.empty() || __nh.get_allocator() == get_allocator(),
"node_type with incompatible allocator passed to map::insert()");
return __tree_.template __node_handle_insert_unique< node_type, insert_return_type>(std::move(__nh));
}
- _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __hint, node_type&& __nh) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator insert(const_iterator __hint, node_type&& __nh) {
_LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(__nh.empty() || __nh.get_allocator() == get_allocator(),
"node_type with incompatible allocator passed to map::insert()");
return __tree_.template __node_handle_insert_unique<node_type>(__hint.__i_, std::move(__nh));
}
- _LIBCPP_HIDE_FROM_ABI node_type extract(key_type const& __key) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 node_type extract(key_type const& __key) {
return __tree_.template __node_handle_extract<node_type>(__key);
}
_LIBCPP_HIDE_FROM_ABI node_type extract(const_iterator __it) {
@@ -1537,7 +1537,7 @@ map(initializer_list<pair<_Key, _Tp>>,
# ifndef _LIBCPP_CXX03_LANG
template <class _Key, class _Tp, class _Compare, class _Allocator>
-map<_Key, _Tp, _Compare, _Allocator>::map(map&& __m, const allocator_type& __a)
+_LIBCPP_CONSTEXPR_SINCE_CXX26 map<_Key, _Tp, _Compare, _Allocator>::map(map&& __m, const allocator_type& __a)
: __tree_(std::move(__m.__tree_), typename __base::allocator_type(__a)) {
if (__a != __m.get_allocator()) {
const_iterator __e = cend();
@@ -1547,7 +1547,7 @@ map<_Key, _Tp, _Compare, _Allocator>::map(map&& __m, const allocator_type& __a)
}
template <class _Key, class _Tp, class _Compare, class _Allocator>
-_Tp& map<_Key, _Tp, _Compare, _Allocator>::operator[](const key_type& __k) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 _Tp& map<_Key, _Tp, _Compare, _Allocator>::operator[](const key_type& __k) {
return __tree_
.__emplace_unique_key_args(__k, std::piecewise_construct, std::forward_as_tuple(__k), std::forward_as_tuple())
.first->__get_value()
@@ -1555,7 +1555,7 @@ _Tp& map<_Key, _Tp, _Compare, _Allocator>::operator[](const key_type& __k) {
}
template <class _Key, class _Tp, class _Compare, class _Allocator>
-_Tp& map<_Key, _Tp, _Compare, _Allocator>::operator[](key_type&& __k) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 _Tp& map<_Key, _Tp, _Compare, _Allocator>::operator[](key_type&& __k) {
// TODO investigate this clang-tidy warning.
// NOLINTBEGIN(bugprone-use-after-move)
return __tree_
@@ -1596,7 +1596,7 @@ _Tp& map<_Key, _Tp, _Compare, _Allocator>::operator[](const key_type& __k) {
# endif // _LIBCPP_CXX03_LANG
template <class _Key, class _Tp, class _Compare, class _Allocator>
-_Tp& map<_Key, _Tp, _Compare, _Allocator>::at(const key_type& __k) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 _Tp& map<_Key, _Tp, _Compare, _Allocator>::at(const key_type& __k) {
__parent_pointer __parent;
__node_base_pointer& __child = __tree_.__find_equal(__parent, __k);
if (__child == nullptr)
@@ -1605,7 +1605,7 @@ _Tp& map<_Key, _Tp, _Compare, _Allocator>::at(const key_type& __k) {
}
template <class _Key, class _Tp, class _Compare, class _Allocator>
-const _Tp& map<_Key, _Tp, _Compare, _Allocator>::at(const key_type& __k) const {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 const _Tp& map<_Key, _Tp, _Compare, _Allocator>::at(const key_type& __k) const {
__parent_pointer __parent;
__node_base_pointer __child = __tree_.__find_equal(__parent, __k);
if (__child == nullptr)
diff --git a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
index cabc9f7eb1066..26a0ad1ff1613 100644
--- a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
@@ -10,8 +10,8 @@
// class map
-// mapped_type& at(const key_type& k);
-// const mapped_type& at(const key_type& k) const;
+// mapped_type& at(const key_type& k); // constexpr since C++26
+// const mapped_type& at(const key_type& k) const; // constexpr since C++26
#include <cassert>
#include <map>
@@ -20,7 +20,7 @@
#include "min_allocator.h"
#include "test_macros.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
V ar[] = {
@@ -143,6 +143,13 @@ int main(int, char**) {
assert(m.size() == 7);
}
#endif
+ return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
>From c04441ebd9f2a7b685f2bead883c6efcfc8b2cba Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Sat, 5 Apr 2025 02:25:01 -0400
Subject: [PATCH 05/27] member call on object outside its lifetime is not
allowed in a constant expression
---
libcxx/include/__tree | 139 +++++++++---------
libcxx/include/map | 56 +++----
.../associative/map/map.access/empty.pass.cpp | 11 +-
.../map/map.access/empty.verify.cpp | 12 +-
.../map/map.access/index_key.pass.cpp | 11 +-
.../map/map.access/index_rv_key.pass.cpp | 11 +-
.../map/map.access/index_tuple.pass.cpp | 11 +-
.../map/map.access/iterator.pass.cpp | 33 +++--
.../map/map.access/max_size.pass.cpp | 11 +-
.../associative/map/map.access/size.pass.cpp | 11 +-
.../map.cons/assign_initializer_list.pass.cpp | 17 ++-
.../associative/map/map.cons/compare.pass.cpp | 11 +-
.../map/map.cons/compare_alloc.pass.cpp | 11 +-
.../map/map.cons/copy_alloc.pass.cpp | 11 +-
14 files changed, 223 insertions(+), 133 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index ff57d63f15789..c966236e51842 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -509,10 +509,10 @@ struct __tree_key_value_types {
typedef _Tp __container_value_type;
static const bool __is_map = false;
- _LIBCPP_HIDE_FROM_ABI static key_type const& __get_key(_Tp const& __v) { return __v; }
- _LIBCPP_HIDE_FROM_ABI static __container_value_type const& __get_value(__node_value_type const& __v) { return __v; }
- _LIBCPP_HIDE_FROM_ABI static __container_value_type* __get_ptr(__node_value_type& __n) { return std::addressof(__n); }
- _LIBCPP_HIDE_FROM_ABI static __container_value_type&& __move(__node_value_type& __v) { return std::move(__v); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static key_type const& __get_key(_Tp const& __v) { return __v; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static __container_value_type const& __get_value(__node_value_type const& __v) { return __v; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static __container_value_type* __get_ptr(__node_value_type& __n) { return std::addressof(__n); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static __container_value_type&& __move(__node_value_type& __v) { return std::move(__v); }
};
template <class _Key, class _Tp>
@@ -524,25 +524,25 @@ struct __tree_key_value_types<__value_type<_Key, _Tp> > {
typedef __container_value_type __map_value_type;
static const bool __is_map = true;
- _LIBCPP_HIDE_FROM_ABI static key_type const& __get_key(__node_value_type const& __t) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static key_type const& __get_key(__node_value_type const& __t) {
return __t.__get_value().first;
}
template <class _Up, __enable_if_t<__is_same_uncvref<_Up, __container_value_type>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI static key_type const& __get_key(_Up& __t) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static key_type const& __get_key(_Up& __t) {
return __t.first;
}
- _LIBCPP_HIDE_FROM_ABI static __container_value_type const& __get_value(__node_value_type const& __t) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static __container_value_type const& __get_value(__node_value_type const& __t) {
return __t.__get_value();
}
template <class _Up, __enable_if_t<__is_same_uncvref<_Up, __container_value_type>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI static __container_value_type const& __get_value(_Up& __t) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static __container_value_type const& __get_value(_Up& __t) {
return __t;
}
- _LIBCPP_HIDE_FROM_ABI static __container_value_type* __get_ptr(__node_value_type& __n) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static __container_value_type* __get_ptr(__node_value_type& __n) {
return std::addressof(__n.__get_value());
}
@@ -626,7 +626,7 @@ public:
typedef _Pointer pointer;
pointer __left_;
- _LIBCPP_HIDE_FROM_ABI __tree_end_node() _NOEXCEPT : __left_() {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_end_node() _NOEXCEPT : __left_() {}
};
template <class _VoidPtr>
@@ -679,14 +679,14 @@ private:
public:
bool __value_constructed;
- _LIBCPP_HIDE_FROM_ABI __tree_node_destructor(const __tree_node_destructor&) = default;
- __tree_node_destructor& operator=(const __tree_node_destructor&) = delete;
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_node_destructor(const __tree_node_destructor&) = default;
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_node_destructor& operator=(const __tree_node_destructor&) = delete;
- _LIBCPP_HIDE_FROM_ABI explicit __tree_node_destructor(allocator_type& __na, bool __val = false) _NOEXCEPT
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit __tree_node_destructor(allocator_type& __na, bool __val = false) _NOEXCEPT
: __na_(__na),
__value_constructed(__val) {}
- _LIBCPP_HIDE_FROM_ABI void operator()(pointer __p) _NOEXCEPT {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void operator()(pointer __p) _NOEXCEPT {
if (__value_constructed)
__alloc_traits::destroy(__na_, _NodeTypes::__get_ptr(__p->__value_));
if (__p)
@@ -724,49 +724,49 @@ public:
typedef value_type& reference;
typedef typename _NodeTypes::__node_value_type_pointer pointer;
- _LIBCPP_HIDE_FROM_ABI __tree_iterator() _NOEXCEPT
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_iterator() _NOEXCEPT
#if _LIBCPP_STD_VER >= 14
: __ptr_(nullptr)
#endif
{
}
- _LIBCPP_HIDE_FROM_ABI reference operator*() const { return __get_np()->__value_; }
- _LIBCPP_HIDE_FROM_ABI pointer operator->() const { return pointer_traits<pointer>::pointer_to(__get_np()->__value_); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 reference operator*() const { return __get_np()->__value_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pointer operator->() const { return pointer_traits<pointer>::pointer_to(__get_np()->__value_); }
- _LIBCPP_HIDE_FROM_ABI __tree_iterator& operator++() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_iterator& operator++() {
__ptr_ = static_cast<__iter_pointer>(
std::__tree_next_iter<__end_node_pointer>(static_cast<__node_base_pointer>(__ptr_)));
return *this;
}
- _LIBCPP_HIDE_FROM_ABI __tree_iterator operator++(int) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_iterator operator++(int) {
__tree_iterator __t(*this);
++(*this);
return __t;
}
- _LIBCPP_HIDE_FROM_ABI __tree_iterator& operator--() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_iterator& operator--() {
__ptr_ = static_cast<__iter_pointer>(
std::__tree_prev_iter<__node_base_pointer>(static_cast<__end_node_pointer>(__ptr_)));
return *this;
}
- _LIBCPP_HIDE_FROM_ABI __tree_iterator operator--(int) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_iterator operator--(int) {
__tree_iterator __t(*this);
--(*this);
return __t;
}
- friend _LIBCPP_HIDE_FROM_ABI bool operator==(const __tree_iterator& __x, const __tree_iterator& __y) {
+ friend _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator==(const __tree_iterator& __x, const __tree_iterator& __y) {
return __x.__ptr_ == __y.__ptr_;
}
- friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const __tree_iterator& __x, const __tree_iterator& __y) {
+ friend _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator!=(const __tree_iterator& __x, const __tree_iterator& __y) {
return !(__x == __y);
}
private:
- _LIBCPP_HIDE_FROM_ABI explicit __tree_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
- _LIBCPP_HIDE_FROM_ABI explicit __tree_iterator(__end_node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
- _LIBCPP_HIDE_FROM_ABI __node_pointer __get_np() const { return static_cast<__node_pointer>(__ptr_); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit __tree_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit __tree_iterator(__end_node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_pointer __get_np() const { return static_cast<__node_pointer>(__ptr_); }
template <class, class, class>
friend class __tree;
template <class, class, class>
@@ -801,7 +801,7 @@ public:
typedef const value_type& reference;
typedef typename _NodeTypes::__const_node_value_type_pointer pointer;
- _LIBCPP_HIDE_FROM_ABI __tree_const_iterator() _NOEXCEPT
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_const_iterator() _NOEXCEPT
#if _LIBCPP_STD_VER >= 14
: __ptr_(nullptr)
#endif
@@ -812,46 +812,46 @@ private:
typedef __tree_iterator<value_type, __node_pointer, difference_type> __non_const_iterator;
public:
- _LIBCPP_HIDE_FROM_ABI __tree_const_iterator(__non_const_iterator __p) _NOEXCEPT : __ptr_(__p.__ptr_) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_const_iterator(__non_const_iterator __p) _NOEXCEPT : __ptr_(__p.__ptr_) {}
- _LIBCPP_HIDE_FROM_ABI reference operator*() const { return __get_np()->__value_; }
- _LIBCPP_HIDE_FROM_ABI pointer operator->() const { return pointer_traits<pointer>::pointer_to(__get_np()->__value_); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 reference operator*() const { return __get_np()->__value_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pointer operator->() const { return pointer_traits<pointer>::pointer_to(__get_np()->__value_); }
- _LIBCPP_HIDE_FROM_ABI __tree_const_iterator& operator++() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_const_iterator& operator++() {
__ptr_ = static_cast<__iter_pointer>(
std::__tree_next_iter<__end_node_pointer>(static_cast<__node_base_pointer>(__ptr_)));
return *this;
}
- _LIBCPP_HIDE_FROM_ABI __tree_const_iterator operator++(int) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_const_iterator operator++(int) {
__tree_const_iterator __t(*this);
++(*this);
return __t;
}
- _LIBCPP_HIDE_FROM_ABI __tree_const_iterator& operator--() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_const_iterator& operator--() {
__ptr_ = static_cast<__iter_pointer>(
std::__tree_prev_iter<__node_base_pointer>(static_cast<__end_node_pointer>(__ptr_)));
return *this;
}
- _LIBCPP_HIDE_FROM_ABI __tree_const_iterator operator--(int) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_const_iterator operator--(int) {
__tree_const_iterator __t(*this);
--(*this);
return __t;
}
- friend _LIBCPP_HIDE_FROM_ABI bool operator==(const __tree_const_iterator& __x, const __tree_const_iterator& __y) {
+ friend _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator==(const __tree_const_iterator& __x, const __tree_const_iterator& __y) {
return __x.__ptr_ == __y.__ptr_;
}
- friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const __tree_const_iterator& __x, const __tree_const_iterator& __y) {
+ friend _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator!=(const __tree_const_iterator& __x, const __tree_const_iterator& __y) {
return !(__x == __y);
}
private:
- _LIBCPP_HIDE_FROM_ABI explicit __tree_const_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
- _LIBCPP_HIDE_FROM_ABI explicit __tree_const_iterator(__end_node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
- _LIBCPP_HIDE_FROM_ABI __node_pointer __get_np() const { return static_cast<__node_pointer>(__ptr_); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit __tree_const_iterator(__node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit __tree_const_iterator(__end_node_pointer __p) _NOEXCEPT : __ptr_(__p) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_pointer __get_np() const { return static_cast<__node_pointer>(__ptr_); }
template <class, class, class>
friend class __tree;
@@ -930,19 +930,19 @@ private:
_LIBCPP_COMPRESSED_PAIR(size_type, __size_, value_compare, __value_comp_);
public:
- _LIBCPP_HIDE_FROM_ABI __iter_pointer __end_node() _NOEXCEPT {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __iter_pointer __end_node() _NOEXCEPT {
return static_cast<__iter_pointer>(pointer_traits<__end_node_ptr>::pointer_to(__end_node_));
}
- _LIBCPP_HIDE_FROM_ABI __iter_pointer __end_node() const _NOEXCEPT {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __iter_pointer __end_node() const _NOEXCEPT {
return static_cast<__iter_pointer>(
pointer_traits<__end_node_ptr>::pointer_to(const_cast<__end_node_t&>(__end_node_)));
}
- _LIBCPP_HIDE_FROM_ABI __node_allocator& __node_alloc() _NOEXCEPT { return __node_alloc_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_allocator& __node_alloc() _NOEXCEPT { return __node_alloc_; }
private:
- _LIBCPP_HIDE_FROM_ABI const __node_allocator& __node_alloc() const _NOEXCEPT { return __node_alloc_; }
- _LIBCPP_HIDE_FROM_ABI __iter_pointer& __begin_node() _NOEXCEPT { return __begin_node_; }
- _LIBCPP_HIDE_FROM_ABI const __iter_pointer& __begin_node() const _NOEXCEPT { return __begin_node_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const __node_allocator& __node_alloc() const _NOEXCEPT { return __node_alloc_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __iter_pointer& __begin_node() _NOEXCEPT { return __begin_node_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const __iter_pointer& __begin_node() const _NOEXCEPT { return __begin_node_; }
public:
_LIBCPP_HIDE_FROM_ABI allocator_type __alloc() const _NOEXCEPT { return allocator_type(__node_alloc()); }
@@ -1008,24 +1008,24 @@ public:
#endif
template <class _Key, class... _Args>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __emplace_unique_key_args(_Key const&, _Args&&... __args);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __emplace_unique_key_args(_Key const&, _Args&&... __args);
template <class _Key, class... _Args>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __emplace_hint_unique_key_args(const_iterator, _Key const&, _Args&&...);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __emplace_hint_unique_key_args(const_iterator, _Key const&, _Args&&...);
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __emplace_unique_impl(_Args&&... __args);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __emplace_unique_impl(_Args&&... __args);
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI iterator __emplace_hint_unique_impl(const_iterator __p, _Args&&... __args);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __emplace_hint_unique_impl(const_iterator __p, _Args&&... __args);
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI iterator __emplace_multi(_Args&&... __args);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __emplace_multi(_Args&&... __args);
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI iterator __emplace_hint_multi(const_iterator __p, _Args&&... __args);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __emplace_hint_multi(const_iterator __p, _Args&&... __args);
template <class _Pp>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __emplace_unique(_Pp&& __x) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __emplace_unique(_Pp&& __x) {
return __emplace_unique_extract_key(std::forward<_Pp>(__x), __can_extract_key<_Pp, key_type>());
}
@@ -1091,29 +1091,29 @@ public:
return __emplace_hint_unique_key_args(__p, __x.first, std::forward<_Pp>(__x)).first;
}
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __insert_unique(const __container_value_type& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __insert_unique(const __container_value_type& __v) {
return __emplace_unique_key_args(_NodeTypes::__get_key(__v), __v);
}
- _LIBCPP_HIDE_FROM_ABI iterator __insert_unique(const_iterator __p, const __container_value_type& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __insert_unique(const_iterator __p, const __container_value_type& __v) {
return __emplace_hint_unique_key_args(__p, _NodeTypes::__get_key(__v), __v).first;
}
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __insert_unique(__container_value_type&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __insert_unique(__container_value_type&& __v) {
return __emplace_unique_key_args(_NodeTypes::__get_key(__v), std::move(__v));
}
- _LIBCPP_HIDE_FROM_ABI iterator __insert_unique(const_iterator __p, __container_value_type&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __insert_unique(const_iterator __p, __container_value_type&& __v) {
return __emplace_hint_unique_key_args(__p, _NodeTypes::__get_key(__v), std::move(__v)).first;
}
template <class _Vp, __enable_if_t<!is_same<__remove_const_ref_t<_Vp>, __container_value_type>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __insert_unique(_Vp&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __insert_unique(_Vp&& __v) {
return __emplace_unique(std::forward<_Vp>(__v));
}
template <class _Vp, __enable_if_t<!is_same<__remove_const_ref_t<_Vp>, __container_value_type>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI iterator __insert_unique(const_iterator __p, _Vp&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __insert_unique(const_iterator __p, _Vp&& __v) {
return __emplace_hint_unique(__p, std::forward<_Vp>(__v));
}
@@ -1228,13 +1228,13 @@ public:
// FIXME: Make this function const qualified. Unfortunately doing so
// breaks existing code which uses non-const callable comparators.
template <class _Key>
- _LIBCPP_HIDE_FROM_ABI __node_base_pointer& __find_equal(__parent_pointer& __parent, const _Key& __v);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_base_pointer& __find_equal(__parent_pointer& __parent, const _Key& __v);
template <class _Key>
- _LIBCPP_HIDE_FROM_ABI __node_base_pointer& __find_equal(__parent_pointer& __parent, const _Key& __v) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_base_pointer& __find_equal(__parent_pointer& __parent, const _Key& __v) const {
return const_cast<__tree*>(this)->__find_equal(__parent, __v);
}
template <class _Key>
- _LIBCPP_HIDE_FROM_ABI __node_base_pointer&
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_base_pointer&
__find_equal(const_iterator __hint, __parent_pointer& __parent, __node_base_pointer& __dummy, const _Key& __v);
_LIBCPP_HIDE_FROM_ABI void __copy_assign_alloc(const __tree& __t) {
@@ -1255,7 +1255,7 @@ private:
__find_leaf(const_iterator __hint, __parent_pointer& __parent, const key_type& __v);
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI __node_holder __construct_node(_Args&&... __args);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_holder __construct_node(_Args&&... __args);
// TODO: Make this _LIBCPP_HIDE_FROM_ABI
_LIBCPP_HIDDEN void destroy(__node_pointer __nd) _NOEXCEPT;
@@ -1667,6 +1667,7 @@ __tree<_Tp, _Compare, _Allocator>::__find_leaf(const_iterator __hint, __parent_p
// If __v exists, set parent to node of __v and return reference to node of __v
template <class _Tp, class _Compare, class _Allocator>
template <class _Key>
+_LIBCPP_CONSTEXPR_SINCE_CXX26
typename __tree<_Tp, _Compare, _Allocator>::__node_base_pointer&
__tree<_Tp, _Compare, _Allocator>::__find_equal(__parent_pointer& __parent, const _Key& __v) {
__node_pointer __nd = __root();
@@ -1708,6 +1709,7 @@ __tree<_Tp, _Compare, _Allocator>::__find_equal(__parent_pointer& __parent, cons
// If __v exists, set parent to node of __v and return reference to node of __v
template <class _Tp, class _Compare, class _Allocator>
template <class _Key>
+_LIBCPP_CONSTEXPR_SINCE_CXX26
typename __tree<_Tp, _Compare, _Allocator>::__node_base_pointer& __tree<_Tp, _Compare, _Allocator>::__find_equal(
const_iterator __hint, __parent_pointer& __parent, __node_base_pointer& __dummy, const _Key& __v) {
if (__hint == end() || value_comp()(__v, *__hint)) // check before
@@ -1766,7 +1768,7 @@ void __tree<_Tp, _Compare, _Allocator>::__insert_node_at(
template <class _Tp, class _Compare, class _Allocator>
template <class _Key, class... _Args>
pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
-__tree<_Tp, _Compare, _Allocator>::__emplace_unique_key_args(_Key const& __k, _Args&&... __args) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__emplace_unique_key_args(_Key const& __k, _Args&&... __args) {
__parent_pointer __parent;
__node_base_pointer& __child = __find_equal(__parent, __k);
__node_pointer __r = static_cast<__node_pointer>(__child);
@@ -1783,7 +1785,7 @@ __tree<_Tp, _Compare, _Allocator>::__emplace_unique_key_args(_Key const& __k, _A
template <class _Tp, class _Compare, class _Allocator>
template <class _Key, class... _Args>
pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
-__tree<_Tp, _Compare, _Allocator>::__emplace_hint_unique_key_args(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__emplace_hint_unique_key_args(
const_iterator __p, _Key const& __k, _Args&&... __args) {
__parent_pointer __parent;
__node_base_pointer __dummy;
@@ -1801,6 +1803,7 @@ __tree<_Tp, _Compare, _Allocator>::__emplace_hint_unique_key_args(
template <class _Tp, class _Compare, class _Allocator>
template <class... _Args>
+_LIBCPP_CONSTEXPR_SINCE_CXX26
typename __tree<_Tp, _Compare, _Allocator>::__node_holder
__tree<_Tp, _Compare, _Allocator>::__construct_node(_Args&&... __args) {
static_assert(!__is_tree_value_type<_Args...>::value, "Cannot construct from __value_type");
@@ -1814,7 +1817,7 @@ __tree<_Tp, _Compare, _Allocator>::__construct_node(_Args&&... __args) {
template <class _Tp, class _Compare, class _Allocator>
template <class... _Args>
pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
-__tree<_Tp, _Compare, _Allocator>::__emplace_unique_impl(_Args&&... __args) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__emplace_unique_impl(_Args&&... __args) {
__node_holder __h = __construct_node(std::forward<_Args>(__args)...);
__parent_pointer __parent;
__node_base_pointer& __child = __find_equal(__parent, __h->__value_);
@@ -1831,7 +1834,7 @@ __tree<_Tp, _Compare, _Allocator>::__emplace_unique_impl(_Args&&... __args) {
template <class _Tp, class _Compare, class _Allocator>
template <class... _Args>
typename __tree<_Tp, _Compare, _Allocator>::iterator
-__tree<_Tp, _Compare, _Allocator>::__emplace_hint_unique_impl(const_iterator __p, _Args&&... __args) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__emplace_hint_unique_impl(const_iterator __p, _Args&&... __args) {
__node_holder __h = __construct_node(std::forward<_Args>(__args)...);
__parent_pointer __parent;
__node_base_pointer __dummy;
@@ -1847,7 +1850,7 @@ __tree<_Tp, _Compare, _Allocator>::__emplace_hint_unique_impl(const_iterator __p
template <class _Tp, class _Compare, class _Allocator>
template <class... _Args>
typename __tree<_Tp, _Compare, _Allocator>::iterator
-__tree<_Tp, _Compare, _Allocator>::__emplace_multi(_Args&&... __args) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__emplace_multi(_Args&&... __args) {
__node_holder __h = __construct_node(std::forward<_Args>(__args)...);
__parent_pointer __parent;
__node_base_pointer& __child = __find_leaf_high(__parent, _NodeTypes::__get_key(__h->__value_));
@@ -1858,7 +1861,7 @@ __tree<_Tp, _Compare, _Allocator>::__emplace_multi(_Args&&... __args) {
template <class _Tp, class _Compare, class _Allocator>
template <class... _Args>
typename __tree<_Tp, _Compare, _Allocator>::iterator
-__tree<_Tp, _Compare, _Allocator>::__emplace_hint_multi(const_iterator __p, _Args&&... __args) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__emplace_hint_multi(const_iterator __p, _Args&&... __args) {
__node_holder __h = __construct_node(std::forward<_Args>(__args)...);
__parent_pointer __parent;
__node_base_pointer& __child = __find_leaf(__p, __parent, _NodeTypes::__get_key(__h->__value_));
diff --git a/libcxx/include/map b/libcxx/include/map
index 3ae485f1ce029..92891332c3a57 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -639,21 +639,21 @@ template <class _Key,
bool = is_empty<_Compare>::value && !__libcpp_is_final<_Compare>::value>
class __map_value_compare : private _Compare {
public:
- _LIBCPP_HIDE_FROM_ABI __map_value_compare() _NOEXCEPT_(is_nothrow_default_constructible<_Compare>::value)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_value_compare() _NOEXCEPT_(is_nothrow_default_constructible<_Compare>::value)
: _Compare() {}
- _LIBCPP_HIDE_FROM_ABI __map_value_compare(_Compare __c) _NOEXCEPT_(is_nothrow_copy_constructible<_Compare>::value)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_value_compare(_Compare __c) _NOEXCEPT_(is_nothrow_copy_constructible<_Compare>::value)
: _Compare(__c) {}
- _LIBCPP_HIDE_FROM_ABI const _Compare& key_comp() const _NOEXCEPT { return *this; }
- _LIBCPP_HIDE_FROM_ABI bool operator()(const _CP& __x, const _CP& __y) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const _Compare& key_comp() const _NOEXCEPT { return *this; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator()(const _CP& __x, const _CP& __y) const {
return static_cast<const _Compare&>(*this)(__x.__get_value().first, __y.__get_value().first);
}
- _LIBCPP_HIDE_FROM_ABI bool operator()(const _CP& __x, const _Key& __y) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator()(const _CP& __x, const _Key& __y) const {
return static_cast<const _Compare&>(*this)(__x.__get_value().first, __y);
}
- _LIBCPP_HIDE_FROM_ABI bool operator()(const _Key& __x, const _CP& __y) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator()(const _Key& __x, const _CP& __y) const {
return static_cast<const _Compare&>(*this)(__x, __y.__get_value().first);
}
- _LIBCPP_HIDE_FROM_ABI void swap(__map_value_compare& __y) _NOEXCEPT_(__is_nothrow_swappable_v<_Compare>) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void swap(__map_value_compare& __y) _NOEXCEPT_(__is_nothrow_swappable_v<_Compare>) {
using std::swap;
swap(static_cast<_Compare&>(*this), static_cast<_Compare&>(__y));
}
@@ -868,37 +868,37 @@ public:
typedef value_type& reference;
typedef typename _NodeTypes::__map_value_type_pointer pointer;
- _LIBCPP_HIDE_FROM_ABI __map_iterator() _NOEXCEPT {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_iterator() _NOEXCEPT {}
- _LIBCPP_HIDE_FROM_ABI __map_iterator(_TreeIterator __i) _NOEXCEPT : __i_(__i) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_iterator(_TreeIterator __i) _NOEXCEPT : __i_(__i) {}
- _LIBCPP_HIDE_FROM_ABI reference operator*() const { return __i_->__get_value(); }
- _LIBCPP_HIDE_FROM_ABI pointer operator->() const { return pointer_traits<pointer>::pointer_to(__i_->__get_value()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 reference operator*() const { return __i_->__get_value(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pointer operator->() const { return pointer_traits<pointer>::pointer_to(__i_->__get_value()); }
- _LIBCPP_HIDE_FROM_ABI __map_iterator& operator++() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_iterator& operator++() {
++__i_;
return *this;
}
- _LIBCPP_HIDE_FROM_ABI __map_iterator operator++(int) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_iterator operator++(int) {
__map_iterator __t(*this);
++(*this);
return __t;
}
- _LIBCPP_HIDE_FROM_ABI __map_iterator& operator--() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_iterator& operator--() {
--__i_;
return *this;
}
- _LIBCPP_HIDE_FROM_ABI __map_iterator operator--(int) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_iterator operator--(int) {
__map_iterator __t(*this);
--(*this);
return __t;
}
- friend _LIBCPP_HIDE_FROM_ABI bool operator==(const __map_iterator& __x, const __map_iterator& __y) {
+ friend _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator==(const __map_iterator& __x, const __map_iterator& __y) {
return __x.__i_ == __y.__i_;
}
- friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const __map_iterator& __x, const __map_iterator& __y) {
+ friend _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator!=(const __map_iterator& __x, const __map_iterator& __y) {
return __x.__i_ != __y.__i_;
}
@@ -924,39 +924,39 @@ public:
typedef const value_type& reference;
typedef typename _NodeTypes::__const_map_value_type_pointer pointer;
- _LIBCPP_HIDE_FROM_ABI __map_const_iterator() _NOEXCEPT {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_const_iterator() _NOEXCEPT {}
- _LIBCPP_HIDE_FROM_ABI __map_const_iterator(_TreeIterator __i) _NOEXCEPT : __i_(__i) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_const_iterator(_TreeIterator __i) _NOEXCEPT : __i_(__i) {}
_LIBCPP_HIDE_FROM_ABI
- __map_const_iterator(__map_iterator< typename _TreeIterator::__non_const_iterator> __i) _NOEXCEPT : __i_(__i.__i_) {}
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_const_iterator(__map_iterator< typename _TreeIterator::__non_const_iterator> __i) _NOEXCEPT : __i_(__i.__i_) {}
- _LIBCPP_HIDE_FROM_ABI reference operator*() const { return __i_->__get_value(); }
- _LIBCPP_HIDE_FROM_ABI pointer operator->() const { return pointer_traits<pointer>::pointer_to(__i_->__get_value()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 reference operator*() const { return __i_->__get_value(); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pointer operator->() const { return pointer_traits<pointer>::pointer_to(__i_->__get_value()); }
- _LIBCPP_HIDE_FROM_ABI __map_const_iterator& operator++() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_const_iterator& operator++() {
++__i_;
return *this;
}
- _LIBCPP_HIDE_FROM_ABI __map_const_iterator operator++(int) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_const_iterator operator++(int) {
__map_const_iterator __t(*this);
++(*this);
return __t;
}
- _LIBCPP_HIDE_FROM_ABI __map_const_iterator& operator--() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_const_iterator& operator--() {
--__i_;
return *this;
}
- _LIBCPP_HIDE_FROM_ABI __map_const_iterator operator--(int) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_const_iterator operator--(int) {
__map_const_iterator __t(*this);
--(*this);
return __t;
}
- friend _LIBCPP_HIDE_FROM_ABI bool operator==(const __map_const_iterator& __x, const __map_const_iterator& __y) {
+ friend _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator==(const __map_const_iterator& __x, const __map_const_iterator& __y) {
return __x.__i_ == __y.__i_;
}
- friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const __map_const_iterator& __x, const __map_const_iterator& __y) {
+ friend _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator!=(const __map_const_iterator& __x, const __map_const_iterator& __y) {
return __x.__i_ != __y.__i_;
}
diff --git a/libcxx/test/std/containers/associative/map/map.access/empty.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/empty.pass.cpp
index 21118eca69693..247ac1895b4f3 100644
--- a/libcxx/test/std/containers/associative/map/map.access/empty.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/empty.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// bool empty() const;
+// bool empty() const;// constexpr since C++26
#include <map>
#include <cassert>
@@ -18,7 +18,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double> M;
M m;
@@ -39,6 +39,13 @@ int main(int, char**) {
assert(m.empty());
}
#endif
+return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.access/empty.verify.cpp b/libcxx/test/std/containers/associative/map/map.access/empty.verify.cpp
index f44411df0bb00..269add6089628 100644
--- a/libcxx/test/std/containers/associative/map/map.access/empty.verify.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/empty.verify.cpp
@@ -10,13 +10,21 @@
// class map
-// bool empty() const noexcept;
+// bool empty() const noexcept;// constexpr since C++26
// UNSUPPORTED: c++03, c++11, c++14, c++17
#include <map>
-void f() {
+bool test() {
std::map<int, int> c;
c.empty(); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
+ return true;
+}
+
+int main() {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
}
diff --git a/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp
index 58610c69ed3dc..8633d522947c5 100644
--- a/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// mapped_type& operator[](const key_type& k);
+// mapped_type& operator[](const key_type& k);// constexpr since C++26
#include <map>
#include <cassert>
@@ -23,7 +23,7 @@
# include "container_test_types.h"
#endif
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
V ar[] = {
@@ -135,6 +135,13 @@ int main(int, char**) {
assert(m.size() == 8);
}
#endif
+return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.access/index_rv_key.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/index_rv_key.pass.cpp
index d5d01b96a6988..f5ec0c73bd284 100644
--- a/libcxx/test/std/containers/associative/map/map.access/index_rv_key.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/index_rv_key.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// mapped_type& operator[](key_type&& k);
+// mapped_type& operator[](key_type&& k);// constexpr since C++26
#include <map>
#include <cassert>
@@ -23,7 +23,7 @@
#include "min_allocator.h"
#include "container_test_types.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
std::map<MoveOnly, double> m;
assert(m.size() == 0);
@@ -75,6 +75,13 @@ int main(int, char**) {
}
}
}
+return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.access/index_tuple.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/index_tuple.pass.cpp
index 3f33cfd699151..565db2b6b7342 100644
--- a/libcxx/test/std/containers/associative/map/map.access/index_tuple.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/index_tuple.pass.cpp
@@ -12,16 +12,23 @@
// class map
-// mapped_type& operator[](const key_type& k);
+// mapped_type& operator[](const key_type& k);// constexpr since C++26
// https://llvm.org/PR16542
#include <map>
#include <tuple>
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
std::map<std::tuple<int, int>, std::size_t> m;
m[std::make_tuple(2, 3)] = 7;
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.access/iterator.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/iterator.pass.cpp
index bbad44c8edb30..20f8541213007 100644
--- a/libcxx/test/std/containers/associative/map/map.access/iterator.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/iterator.pass.cpp
@@ -10,20 +10,20 @@
// class map
-// iterator begin();
-// const_iterator begin() const;
-// iterator end();
-// const_iterator end() const;
+// iterator begin();// constexpr since C++26
+// const_iterator begin() const;// constexpr since C++26
+// iterator end();// constexpr since C++26
+// const_iterator end() const;// constexpr since C++26
//
-// reverse_iterator rbegin();
-// const_reverse_iterator rbegin() const;
-// reverse_iterator rend();
-// const_reverse_iterator rend() const;
+// reverse_iterator rbegin();// constexpr since C++26
+// const_reverse_iterator rbegin() const;// constexpr since C++26
+// reverse_iterator rend();// constexpr since C++26
+// const_reverse_iterator rend() const;// constexpr since C++26
//
-// const_iterator cbegin() const;
-// const_iterator cend() const;
-// const_reverse_iterator crbegin() const;
-// const_reverse_iterator crend() const;
+// const_iterator cbegin() const;// constexpr since C++26
+// const_iterator cend() const;// constexpr since C++26
+// const_reverse_iterator crbegin() const;// constexpr since C++26
+// const_reverse_iterator crend() const;// constexpr since C++26
#include <map>
#include <cassert>
@@ -32,7 +32,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
V ar[] = {V(1, 1), V(1, 1.5), V(1, 2), V(2, 1), V(2, 1.5), V(2, 2), V(3, 1), V(3, 1.5),
@@ -156,6 +156,13 @@ int main(int, char**) {
assert(!(cii != ii1));
}
#endif
+return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.access/max_size.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/max_size.pass.cpp
index 1a5d35c2579d8..3a552cebd1fb4 100644
--- a/libcxx/test/std/containers/associative/map/map.access/max_size.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/max_size.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// size_type max_size() const;
+// size_type max_size() const;// constexpr since C++26
#include <cassert>
#include <limits>
@@ -20,7 +20,7 @@
#include "test_allocator.h"
#include "test_macros.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::pair<const int, int> KV;
{
typedef limited_allocator<KV, 10> A;
@@ -44,6 +44,13 @@ int main(int, char**) {
assert(c.max_size() <= max_dist);
assert(c.max_size() <= alloc_max_size(c.get_allocator()));
}
+return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.access/size.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/size.pass.cpp
index 23914f6b8ed16..cfb3d6e9426df 100644
--- a/libcxx/test/std/containers/associative/map/map.access/size.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/size.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// size_type size() const;
+// size_type size() const;// constexpr since C++26
#include <map>
#include <cassert>
@@ -18,7 +18,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double> M;
M m;
@@ -55,6 +55,13 @@ int main(int, char**) {
assert(m.size() == 0);
}
#endif
+return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/assign_initializer_list.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/assign_initializer_list.pass.cpp
index f237c9b56deee..9b1f9730591f3 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/assign_initializer_list.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/assign_initializer_list.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// map& operator=(initializer_list<value_type> il);
+// map& operator=(initializer_list<value_type> il);// constexpr since C++26
#include <map>
#include <cassert>
@@ -21,7 +21,7 @@
#include "min_allocator.h"
#include "test_allocator.h"
-void test_basic() {
+TEST_CONSTEXPR_CXX26 bool test_basic() {
{
typedef std::pair<const int, double> V;
std::map<int, double> m = {
@@ -46,9 +46,10 @@ void test_basic() {
assert(*std::next(m.begin()) == V(2, 1));
assert(*std::next(m.begin(), 2) == V(3, 1));
}
+ return true;
}
-void duplicate_keys_test() {
+TEST_CONSTEXPR_CXX26 bool duplicate_keys_test() {
test_allocator_statistics alloc_stats;
typedef std::map<int, int, std::less<int>, test_allocator<std::pair<const int, int> > > Map;
{
@@ -61,11 +62,19 @@ void duplicate_keys_test() {
assert(s.begin()->first == 4);
}
LIBCPP_ASSERT(alloc_stats.alloc_count == 0);
+ return true;
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
test_basic();
duplicate_keys_test();
+return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/compare.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/compare.pass.cpp
index bd27a2f4ddeb9..66696da0fd39f 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/compare.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/compare.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// explicit map(const key_compare& comp);
+// explicit map(const key_compare& comp);// constexpr since C++26
#include <map>
#include <cassert>
@@ -19,7 +19,7 @@
#include "../../../test_compare.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef test_less<int> C;
const std::map<int, double, C> m(C(3));
@@ -36,6 +36,13 @@ int main(int, char**) {
assert(m.key_comp() == C(3));
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/compare_alloc.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/compare_alloc.pass.cpp
index 20f6a08db6a36..19b294573fc58 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/compare_alloc.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/compare_alloc.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// map(const key_compare& comp, const allocator_type& a);
+// map(const key_compare& comp, const allocator_type& a);// constexpr since C++26
#include <map>
#include <cassert>
@@ -20,7 +20,7 @@
#include "test_allocator.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef test_less<int> C;
typedef test_allocator<std::pair<const int, double> > A;
@@ -50,6 +50,13 @@ int main(int, char**) {
assert(m.get_allocator() == A{});
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/copy_alloc.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/copy_alloc.pass.cpp
index aaf1be867b748..ffb99c9edd1f0 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/copy_alloc.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/copy_alloc.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// map(const map& m, const allocator_type& a);
+// map(const map& m, const allocator_type& a);// constexpr since C++26
#include <map>
#include <cassert>
@@ -20,7 +20,7 @@
#include "test_allocator.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
V ar[] = {
@@ -122,6 +122,13 @@ int main(int, char**) {
assert(*std::next(mo.begin(), 2) == V(3, 1));
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
>From ec9317e498e0f780a5e317ff1da6fe8874f0d104 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Sat, 5 Apr 2025 20:28:45 -0400
Subject: [PATCH 06/27] Move past member call on object past it's lifetime
---
libcxx/include/__tree | 10 ++++++++--
libcxx/include/map | 18 ++++++++++++++++++
2 files changed, 26 insertions(+), 2 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index c966236e51842..d8c22cbcb2c4e 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -543,7 +543,11 @@ struct __tree_key_value_types<__value_type<_Key, _Tp> > {
}
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static __container_value_type* __get_ptr(__node_value_type& __n) {
- return std::addressof(__n.__get_value());
+ // __n's lifetime has not begun, so calling __get_value is wrong
+
+ // return std::addressof(__n.__get_value());
+
+ return __node_value_type::__get_address_of_value(__n);
}
_LIBCPP_HIDE_FROM_ABI static pair<key_type&&, mapped_type&&> __move(__node_value_type& __v) { return __v.__move(); }
@@ -658,6 +662,7 @@ public:
__node_value_type __value_;
_LIBCPP_HIDE_FROM_ABI _Tp& __get_value() { return __value_; }
+ // _LIBCPP_HIDE_FROM_ABI static _Tp& __get_value_static(__tree_node * foo) { return (foo->__value_); }
~__tree_node() = delete;
__tree_node(__tree_node const&) = delete;
@@ -1816,8 +1821,9 @@ __tree<_Tp, _Compare, _Allocator>::__construct_node(_Args&&... __args) {
template <class _Tp, class _Compare, class _Allocator>
template <class... _Args>
+_LIBCPP_CONSTEXPR_SINCE_CXX26
pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
-_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__emplace_unique_impl(_Args&&... __args) {
+__tree<_Tp, _Compare, _Allocator>::__emplace_unique_impl(_Args&&... __args) {
__node_holder __h = __construct_node(std::forward<_Args>(__args)...);
__parent_pointer __parent;
__node_base_pointer& __child = __find_equal(__parent, __h->__value_);
diff --git a/libcxx/include/map b/libcxx/include/map
index 92891332c3a57..5cefee5b0092d 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -790,6 +790,17 @@ public:
# endif
}
+
+ /*
+ Use this helper when the lifetime of __v may not have begun,
+ so calling __v.__get_value() is not allowed
+ as per:
+ `note: member call on object outside its lifetime is not allowed in a constant expression`
+ */
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static value_type* __get_address_of_value(__value_type & __v) {
+ return std::addressof(__v.__cc_);
+ }
+
_LIBCPP_HIDE_FROM_ABI __nc_ref_pair_type __ref() {
value_type& __v = __get_value();
return __nc_ref_pair_type(const_cast<key_type&>(__v.first), __v.second);
@@ -837,6 +848,13 @@ public:
_LIBCPP_HIDE_FROM_ABI value_type& __get_value() { return __cc_; }
_LIBCPP_HIDE_FROM_ABI const value_type& __get_value() const { return __cc_; }
+
+ // TODO: maybe needed
+ // _LIBCPP_HIDE_FROM_ABI static value_type* __get_address_of_value(__value_type const& __v) {
+ // return std::addressof(__v.__cc_);
+ // }
+
+
__value_type() = delete;
__value_type(__value_type const&) = delete;
__value_type& operator=(__value_type const&) = delete;
>From cec33fbe71a41b45008e281d523146805eb6e37d Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Sun, 6 Apr 2025 00:54:56 -0400
Subject: [PATCH 07/27] Add ctor to initialize __value_type and
__tree_node_base, and the object of unique_ptr
---
libcxx/include/__tree | 20 ++++++++++++++++++--
libcxx/include/map | 5 ++++-
2 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index d8c22cbcb2c4e..f3d36c0b9db52 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -649,7 +649,10 @@ public:
_LIBCPP_HIDE_FROM_ABI void __set_parent(pointer __p) { __parent_ = static_cast<__parent_pointer>(__p); }
- ~__tree_node_base() = delete;
+
+ // template <typename... Args> constexpr __tree_node_base(Args && ... args) =default;
+ __tree_node_base() = default;
+ ~__tree_node_base() = default;
__tree_node_base(__tree_node_base const&) = delete;
__tree_node_base& operator=(__tree_node_base const&) = delete;
};
@@ -664,6 +667,10 @@ public:
_LIBCPP_HIDE_FROM_ABI _Tp& __get_value() { return __value_; }
// _LIBCPP_HIDE_FROM_ABI static _Tp& __get_value_static(__tree_node * foo) { return (foo->__value_); }
+
+ template <typename... Args> constexpr __tree_node(Args && ... args): __value_{std::forward<Args>(args)...} { }
+ // TODO: libcxx26
+ // _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_node(__node_value_type && args): __value_{args} { }
~__tree_node() = delete;
__tree_node(__tree_node const&) = delete;
__tree_node& operator=(__tree_node const&) = delete;
@@ -1814,7 +1821,16 @@ __tree<_Tp, _Compare, _Allocator>::__construct_node(_Args&&... __args) {
static_assert(!__is_tree_value_type<_Args...>::value, "Cannot construct from __value_type");
__node_allocator& __na = __node_alloc();
__node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
- __node_traits::construct(__na, _NodeTypes::__get_ptr(__h->__value_), std::forward<_Args>(__args)...);
+ // std::__value_type<int, double>
+ // __h->__value_;
+// std::addresof(__h->__value_);
+
+ // __node_traits::construct(__na, std::addressof(__h->__value_), std::forward<_Args>(__args)...);
+ // *h is allocated as of yet, but not constructed
+ // TODO: -> remove (AFAIK, given only cc in the following needs space: h, h->value and h->value->cc)
+ __node_traits::construct(__na, std::addressof(*__h), std::forward<_Args>(__args)...);
+
+ // __node_traits::construct(__na, _NodeTypes::__get_ptr(__h->__value_), std::forward<_Args>(__args)...);
__h.get_deleter().__value_constructed = true;
return __h;
}
diff --git a/libcxx/include/map b/libcxx/include/map
index 5cefee5b0092d..e363d2ed84c79 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -827,8 +827,11 @@ public:
return *this;
}
+ // TODO: libcxx26
+ template <typename... Args> _LIBCPP_CONSTEXPR_SINCE_CXX26 __value_type(Args && ... args): __cc_{std::forward<Args>(args)...} { }
+ // constexpr __value_type(value_type && args): __cc_{args} { }
__value_type() = delete;
- ~__value_type() = delete;
+ ~__value_type() = default;
__value_type(const __value_type&) = delete;
__value_type(__value_type&&) = delete;
};
>From 0574be6138c0ac6777b9e267e815335a3a76a0f3 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Sun, 6 Apr 2025 10:00:53 -0400
Subject: [PATCH 08/27] construction works, at() fails due to
throw_out_of_range
---
libcxx/include/__tree | 30 +++++++++++++++---------------
libcxx/include/map | 5 +++--
libcxx/include/stdexcept | 6 +++---
3 files changed, 21 insertions(+), 20 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index f3d36c0b9db52..2895364af3be3 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -98,7 +98,7 @@ __root, have a non-null __parent_ field.
// Returns: true if __x is a left child of its parent, else false
// Precondition: __x != nullptr.
template <class _NodePtr>
-inline _LIBCPP_HIDE_FROM_ABI bool __tree_is_left_child(_NodePtr __x) _NOEXCEPT {
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool __tree_is_left_child(_NodePtr __x) _NOEXCEPT {
return __x == __x->__parent_->__left_;
}
@@ -164,7 +164,7 @@ inline _LIBCPP_HIDE_FROM_ABI _NodePtr __tree_min(_NodePtr __x) _NOEXCEPT {
// Returns: pointer to the right-most node under __x.
template <class _NodePtr>
-inline _LIBCPP_HIDE_FROM_ABI _NodePtr __tree_max(_NodePtr __x) _NOEXCEPT {
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 _NodePtr __tree_max(_NodePtr __x) _NOEXCEPT {
_LIBCPP_ASSERT_INTERNAL(__x != nullptr, "Root node shouldn't be null");
while (__x->__right_ != nullptr)
__x = __x->__right_;
@@ -195,7 +195,7 @@ inline _LIBCPP_HIDE_FROM_ABI _EndNodePtr __tree_next_iter(_NodePtr __x) _NOEXCEP
// Returns: pointer to the previous in-order node before __x.
// Note: __x may be the end node.
template <class _NodePtr, class _EndNodePtr>
-inline _LIBCPP_HIDE_FROM_ABI _NodePtr __tree_prev_iter(_EndNodePtr __x) _NOEXCEPT {
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 _NodePtr __tree_prev_iter(_EndNodePtr __x) _NOEXCEPT {
_LIBCPP_ASSERT_INTERNAL(__x != nullptr, "node shouldn't be null");
if (__x->__left_ != nullptr)
return std::__tree_max(__x->__left_);
@@ -226,7 +226,7 @@ _LIBCPP_HIDE_FROM_ABI _NodePtr __tree_leaf(_NodePtr __x) _NOEXCEPT {
// Effects: Makes __x->__right_ the subtree root with __x as its left child
// while preserving in-order order.
template <class _NodePtr>
-_LIBCPP_HIDE_FROM_ABI void __tree_left_rotate(_NodePtr __x) _NOEXCEPT {
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree_left_rotate(_NodePtr __x) _NOEXCEPT {
_LIBCPP_ASSERT_INTERNAL(__x != nullptr, "node shouldn't be null");
_LIBCPP_ASSERT_INTERNAL(__x->__right_ != nullptr, "node should have a right child");
_NodePtr __y = __x->__right_;
@@ -269,7 +269,7 @@ _LIBCPP_HIDE_FROM_ABI void __tree_right_rotate(_NodePtr __x) _NOEXCEPT {
// Postcondition: __tree_invariant(end_node->__left_) == true. end_node->__left_
// may be different than the value passed in as __root.
template <class _NodePtr>
-_LIBCPP_HIDE_FROM_ABI void __tree_balance_after_insert(_NodePtr __root, _NodePtr __x) _NOEXCEPT {
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree_balance_after_insert(_NodePtr __root, _NodePtr __x) _NOEXCEPT {
_LIBCPP_ASSERT_INTERNAL(__root != nullptr, "Root of the tree shouldn't be null");
_LIBCPP_ASSERT_INTERNAL(__x != nullptr, "Can't attach null node to a leaf");
__x->__is_black_ = __x == __root;
@@ -645,9 +645,9 @@ public:
__parent_pointer __parent_;
bool __is_black_;
- _LIBCPP_HIDE_FROM_ABI pointer __parent_unsafe() const { return static_cast<pointer>(__parent_); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pointer __parent_unsafe() const { return static_cast<pointer>(__parent_); }
- _LIBCPP_HIDE_FROM_ABI void __set_parent(pointer __p) { __parent_ = static_cast<__parent_pointer>(__p); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __set_parent(pointer __p) { __parent_ = static_cast<__parent_pointer>(__p); }
// template <typename... Args> constexpr __tree_node_base(Args && ... args) =default;
@@ -960,19 +960,19 @@ public:
_LIBCPP_HIDE_FROM_ABI allocator_type __alloc() const _NOEXCEPT { return allocator_type(__node_alloc()); }
private:
- _LIBCPP_HIDE_FROM_ABI size_type& size() _NOEXCEPT { return __size_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type& size() _NOEXCEPT { return __size_; }
public:
- _LIBCPP_HIDE_FROM_ABI const size_type& size() const _NOEXCEPT { return __size_; }
- _LIBCPP_HIDE_FROM_ABI value_compare& value_comp() _NOEXCEPT { return __value_comp_; }
- _LIBCPP_HIDE_FROM_ABI const value_compare& value_comp() const _NOEXCEPT { return __value_comp_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const size_type& size() const _NOEXCEPT { return __size_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 value_compare& value_comp() _NOEXCEPT { return __value_comp_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const value_compare& value_comp() const _NOEXCEPT { return __value_comp_; }
public:
- _LIBCPP_HIDE_FROM_ABI __node_pointer __root() const _NOEXCEPT {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_pointer __root() const _NOEXCEPT {
return static_cast<__node_pointer>(__end_node()->__left_);
}
- _LIBCPP_HIDE_FROM_ABI __node_base_pointer* __root_ptr() const _NOEXCEPT {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_base_pointer* __root_ptr() const _NOEXCEPT {
return std::addressof(__end_node()->__left_);
}
@@ -1183,7 +1183,7 @@ public:
template <class _Key>
_LIBCPP_HIDE_FROM_ABI size_type __erase_multi(const _Key& __k);
- _LIBCPP_HIDE_FROM_ABI void
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void
__insert_node_at(__parent_pointer __parent, __node_base_pointer& __child, __node_base_pointer __new_node) _NOEXCEPT;
template <class _Key>
@@ -1764,7 +1764,7 @@ typename __tree<_Tp, _Compare, _Allocator>::__node_base_pointer& __tree<_Tp, _Co
}
template <class _Tp, class _Compare, class _Allocator>
-void __tree<_Tp, _Compare, _Allocator>::__insert_node_at(
+_LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree<_Tp, _Compare, _Allocator>::__insert_node_at(
__parent_pointer __parent, __node_base_pointer& __child, __node_base_pointer __new_node) _NOEXCEPT {
__new_node->__left_ = nullptr;
__new_node->__right_ = nullptr;
diff --git a/libcxx/include/map b/libcxx/include/map
index e363d2ed84c79..3aaccf2e0f3d9 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -774,7 +774,7 @@ private:
value_type __cc_;
public:
- _LIBCPP_HIDE_FROM_ABI value_type& __get_value() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 value_type& __get_value() {
# if _LIBCPP_STD_VER >= 17
return *std::launder(std::addressof(__cc_));
# else
@@ -782,7 +782,7 @@ public:
# endif
}
- _LIBCPP_HIDE_FROM_ABI const value_type& __get_value() const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const value_type& __get_value() const {
# if _LIBCPP_STD_VER >= 17
return *std::launder(std::addressof(__cc_));
# else
@@ -791,6 +791,7 @@ public:
}
+ // TODO: possibly no longer needed
/*
Use this helper when the lifetime of __v may not have begun,
so calling __v.__get_value() is not allowed
diff --git a/libcxx/include/stdexcept b/libcxx/include/stdexcept
index 85e11629bd6e3..29d5083ac1c31 100644
--- a/libcxx/include/stdexcept
+++ b/libcxx/include/stdexcept
@@ -161,8 +161,8 @@ public:
class _LIBCPP_EXPORTED_FROM_ABI out_of_range : public logic_error {
public:
- _LIBCPP_HIDE_FROM_ABI explicit out_of_range(const string& __s) : logic_error(__s) {}
- _LIBCPP_HIDE_FROM_ABI explicit out_of_range(const char* __s) : logic_error(__s) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit out_of_range(const string& __s) : logic_error(__s) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit out_of_range(const char* __s) : logic_error(__s) {}
# ifndef _LIBCPP_ABI_VCRUNTIME
_LIBCPP_HIDE_FROM_ABI out_of_range(const out_of_range&) _NOEXCEPT = default;
@@ -246,7 +246,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
# endif
}
-[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI void __throw_out_of_range(const char* __msg) {
+[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __throw_out_of_range(const char* __msg) {
# if _LIBCPP_HAS_EXCEPTIONS
throw out_of_range(__msg);
# else
>From ed995a22d6d8608be504a01f52007d3866a0636c Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Sun, 6 Apr 2025 10:14:21 -0400
Subject: [PATCH 09/27] can't intentionally throw in constexpr
---
.../std/containers/associative/map/map.access/at.pass.cpp | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
index 26a0ad1ff1613..130eefe990363 100644
--- a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
@@ -42,11 +42,16 @@ TEST_CONSTEXPR_CXX26 bool test() {
assert(m.at(4) == 4.5);
assert(m.at(5) == 5.5);
#ifndef TEST_HAS_NO_EXCEPTIONS
+
+// throwing is not allowed in constexpr
+#if TEST_STD_VER < 26
try {
TEST_IGNORE_NODISCARD m.at(6);
assert(false);
} catch (std::out_of_range&) {
}
+#endif
+
#endif
assert(m.at(7) == 7.5);
assert(m.at(8) == 8.5);
>From e941811243219e2eb3637a0c5dc3ba078b9d63f4 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Sun, 6 Apr 2025 10:18:29 -0400
Subject: [PATCH 10/27] note: cast from 'void *' is not allowed in a constant
expression because the pointed object type
'std::__tree_node<std::__value_type<int, double>, min_pointer<void>>' is not
similar to the target type 'std::__tree_node_base<min_pointer<void>>'
---
libcxx/include/__tree | 4 ++--
.../std/containers/associative/map/map.access/at.pass.cpp | 4 +++-
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index 2895364af3be3..cfdd1f6ca8f2b 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -1270,7 +1270,7 @@ private:
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_holder __construct_node(_Args&&... __args);
// TODO: Make this _LIBCPP_HIDE_FROM_ABI
- _LIBCPP_HIDDEN void destroy(__node_pointer __nd) _NOEXCEPT;
+ _LIBCPP_HIDDEN _LIBCPP_CONSTEXPR_SINCE_CXX26 void destroy(__node_pointer __nd) _NOEXCEPT;
_LIBCPP_HIDE_FROM_ABI void __move_assign(__tree& __t, false_type);
_LIBCPP_HIDE_FROM_ABI void __move_assign(__tree& __t, true_type) _NOEXCEPT_(
@@ -1540,7 +1540,7 @@ _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::~__tree() {
}
template <class _Tp, class _Compare, class _Allocator>
-void __tree<_Tp, _Compare, _Allocator>::destroy(__node_pointer __nd) _NOEXCEPT {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree<_Tp, _Compare, _Allocator>::destroy(__node_pointer __nd) _NOEXCEPT {
if (__nd != nullptr) {
destroy(static_cast<__node_pointer>(__nd->__left_));
destroy(static_cast<__node_pointer>(__nd->__right_));
diff --git a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
index 130eefe990363..3a761dd109410 100644
--- a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
@@ -75,13 +75,15 @@ TEST_CONSTEXPR_CXX26 bool test() {
assert(m.at(3) == 3.5);
assert(m.at(4) == 4.5);
assert(m.at(5) == 5.5);
-#ifndef TEST_HAS_NO_EXCEPTIONS
+// throwing is not allowed in constexpr
+#if TEST_STD_VER < 26
try {
TEST_IGNORE_NODISCARD m.at(6);
assert(false);
} catch (std::out_of_range&) {
}
#endif
+
assert(m.at(7) == 7.5);
assert(m.at(8) == 8.5);
assert(m.size() == 7);
>From def82612573b3b5fe13dac573e58f6dd12c8b347 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Sun, 6 Apr 2025 14:24:43 -0400
Subject: [PATCH 11/27] note: cast from 'void *' is not allowed in a constant
expression because the pointed object type
'std::__tree_node<std::__value_type<int, double>, min_pointer<void>>' is not
similar to the target type 'std::__tree_node_base<min_pointer<void>>
---
libcxx/include/__tree | 53 +++++++++++++++++++
.../associative/map/map.access/at.pass.cpp | 20 +++++++
2 files changed, 73 insertions(+)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index cfdd1f6ca8f2b..bcc0b58c464f2 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -1800,12 +1800,65 @@ pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
_LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__emplace_hint_unique_key_args(
const_iterator __p, _Key const& __k, _Args&&... __args) {
__parent_pointer __parent;
+ // std::__tree_end_node<std::__tree_node_base<void *> *>
__node_base_pointer __dummy;
+ // min_pointer<std::__tree_node_base<min_pointer<void>>>
+
__node_base_pointer& __child = __find_equal(__p, __parent, __dummy, __k);
__node_pointer __r = static_cast<__node_pointer>(__child);
bool __inserted = false;
if (__child == nullptr) {
__node_holder __h = __construct_node(std::forward<_Args>(__args)...);
+ // std::unique_ptr<std::__tree_node<std::__value_type<int, double>, min_pointer<void>>, std::__tree_node_destructor<min_allocator<std::__tree_node<std::__value_type<int, double>, min_pointer<void>>>>>
+
+ // *h
+ // std::__tree_node<std::__value_type<int, double>, min_pointer<void>>
+ // (*__h).fooooo;
+ // std::__tree_node<std::__value_type<int, double>, min_pointer<void>>
+
+ // __h.get().foooooo;
+ // min_pointer<std::__tree_node<std::__value_type<int, double>, min_pointer<void>>>
+
+ // __node_base_pointer = min_pointer<std::__tree_node_base< min_pointer<void>>>
+ // __h.get() = min_pointer<std::__tree_node <std::__value_type<int, double>, min_pointer<void>>>
+
+
+ // static_assert();
+
+ // __tree_node::__node_value_type = std::__value_type<int, double>
+
+ /*
+ without 233
+ no matching conversion for static_cast
+ from 'pointer' (aka
+ 'min_pointer<std::__tree_node<std::__value_type<int, double>, min_pointer<void, std::integral_constant<unsigned long, 0>>>>'
+ )
+ to '__node_base_pointer' (aka
+ 'min_pointer<std::__tree_node_base<min_pointer<void, std::integral_constant<unsigned long, 0>>>, std::integral_constant<unsigned long, 0>>'
+ )
+ */
+
+
+
+
+ [[maybe_unused]] __node_base_pointer foo = static_cast<__node_base_pointer>(__h.get());
+ // [[maybe_unused]] __node_base_pointer foo2 = __node_base_pointer(__h.get());
+
+
+
+
+ /*
+ note:
+ cast from 'void *' is not allowed in a constant expression
+ because the pointed object type
+ 'std::__tree_node<std::__value_type<int, double>, min_pointer<void>>'
+ is not similar to the target type
+ 'std::__tree_node_base<min_pointer<void>>'
+ */
+
+// i believe this cast fails because the lifetime of __h.get() has not begun
+
+
__insert_node_at(__parent, __child, static_cast<__node_base_pointer>(__h.get()));
__r = __h.release();
__inserted = true;
diff --git a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
index 3a761dd109410..98235061da5c8 100644
--- a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
@@ -16,6 +16,7 @@
#include <cassert>
#include <map>
#include <stdexcept>
+#include <type_traits>
#include "min_allocator.h"
#include "test_macros.h"
@@ -100,6 +101,25 @@ TEST_CONSTEXPR_CXX26 bool test() {
V(7, 7.5),
V(8, 8.5),
};
+
+ // std::__tree_node<std::__value_type<int,double>, min_pointer<void>> d;
+ // std::__tree_node_base<min_pointer<void>> b = d;
+ using Base = std::__tree_node_base<min_pointer<void>>;
+
+ using Derived = std::__tree_node<std::__value_type<int,double>, min_pointer<void>> ;
+ static_assert(std::is_base_of_v<Base, Derived>);
+
+
+ using BaseP = min_pointer<Base>;
+ using DerivedP = min_pointer<Derived>;
+ // static_assert(std::is_base_of_v<BaseP, DerivedP>);
+ DerivedP dp(nullptr);
+
+ BaseP bp =static_cast<BaseP>(dp);
+ (void)bp;
+
+
+
std::map<int, double, std::less<int>, min_allocator<V>> m(ar, ar + sizeof(ar) / sizeof(ar[0]));
assert(m.size() == 7);
assert(m.at(1) == 1.5);
>From 76fcef6a8af1a009a632f453d1a53a41ca9949bb Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Sun, 6 Apr 2025 17:48:20 -0400
Subject: [PATCH 12/27] ignore min_allocator tests for now
---
.../containers/associative/map/map.access/at.pass.cpp | 3 ++-
libcxx/test/support/min_allocator.h | 11 ++++++++---
2 files changed, 10 insertions(+), 4 deletions(-)
diff --git a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
index 98235061da5c8..a9de4a52a6260 100644
--- a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
@@ -89,7 +89,8 @@ TEST_CONSTEXPR_CXX26 bool test() {
assert(m.at(8) == 8.5);
assert(m.size() == 7);
}
-#if TEST_STD_VER >= 11
+// #if TEST_STD_VER >= 11
+#ifdef VINAY_DISABLE_FOR_NOW
{
typedef std::pair<const int, double> V;
V ar[] = {
diff --git a/libcxx/test/support/min_allocator.h b/libcxx/test/support/min_allocator.h
index 24505bbb508d6..f54f9efe7a430 100644
--- a/libcxx/test/support/min_allocator.h
+++ b/libcxx/test/support/min_allocator.h
@@ -248,7 +248,10 @@ class min_pointer
public:
min_pointer() TEST_NOEXCEPT = default;
TEST_CONSTEXPR_CXX14 min_pointer(std::nullptr_t) TEST_NOEXCEPT : ptr_(nullptr) {}
- TEST_CONSTEXPR_CXX14 explicit min_pointer(min_pointer<void, ID> p) TEST_NOEXCEPT : ptr_(static_cast<T*>(p.ptr_)) {}
+ // TEST_CONSTEXPR_CXX14 explicit min_pointer(min_pointer<void, ID> p) TEST_NOEXCEPT : ptr_(static_cast<T*>(p.ptr_)) {}
+
+ // TEST_CONSTEXPR_CXX14 explicit min_pointer(min_pointer<void, ID> p) TEST_NOEXCEPT : ptr_((p.ptr_)) {}
+ TEST_CONSTEXPR_CXX14 explicit min_pointer(min_pointer<void, ID> p) TEST_NOEXCEPT : ptr_((p)) {}
TEST_CONSTEXPR_CXX14 explicit operator bool() const {return ptr_ != nullptr;}
@@ -388,7 +391,8 @@ class min_allocator
{
public:
typedef T value_type;
- typedef min_pointer<T> pointer;
+ // typedef min_pointer<T> pointer;
+ typedef T* pointer;
min_allocator() = default;
template <class U>
@@ -396,7 +400,8 @@ class min_allocator
TEST_CONSTEXPR_CXX20 pointer allocate(std::size_t n) { return pointer(std::allocator<T>().allocate(n)); }
- TEST_CONSTEXPR_CXX20 void deallocate(pointer p, std::size_t n) { std::allocator<T>().deallocate(p.ptr_, n); }
+ // TEST_CONSTEXPR_CXX20 void deallocate(pointer p, std::size_t n) { std::allocator<T>().deallocate(p.ptr_, n); }
+ TEST_CONSTEXPR_CXX20 void deallocate(pointer p, std::size_t n) { std::allocator<T>().deallocate(p, n); }
TEST_CONSTEXPR_CXX20 friend bool operator==(min_allocator, min_allocator) {return true;}
TEST_CONSTEXPR_CXX20 friend bool operator!=(min_allocator x, min_allocator y) {return !(x == y);}
>From 9ea718f33e44c12cc50ff92f6ee9be8403551e3d Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Mon, 7 Apr 2025 18:24:21 -0400
Subject: [PATCH 13/27] at.pass.cpp works in cpp26 for some reason
---
libcxx/include/stdexcept | 6 ++---
.../associative/map/map.access/at.pass.cpp | 22 +++++++++++++------
.../map/map.access/index_key.pass.cpp | 2 ++
3 files changed, 20 insertions(+), 10 deletions(-)
diff --git a/libcxx/include/stdexcept b/libcxx/include/stdexcept
index 29d5083ac1c31..85e11629bd6e3 100644
--- a/libcxx/include/stdexcept
+++ b/libcxx/include/stdexcept
@@ -161,8 +161,8 @@ public:
class _LIBCPP_EXPORTED_FROM_ABI out_of_range : public logic_error {
public:
- _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit out_of_range(const string& __s) : logic_error(__s) {}
- _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit out_of_range(const char* __s) : logic_error(__s) {}
+ _LIBCPP_HIDE_FROM_ABI explicit out_of_range(const string& __s) : logic_error(__s) {}
+ _LIBCPP_HIDE_FROM_ABI explicit out_of_range(const char* __s) : logic_error(__s) {}
# ifndef _LIBCPP_ABI_VCRUNTIME
_LIBCPP_HIDE_FROM_ABI out_of_range(const out_of_range&) _NOEXCEPT = default;
@@ -246,7 +246,7 @@ _LIBCPP_BEGIN_NAMESPACE_STD
# endif
}
-[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __throw_out_of_range(const char* __msg) {
+[[__noreturn__]] inline _LIBCPP_HIDE_FROM_ABI void __throw_out_of_range(const char* __msg) {
# if _LIBCPP_HAS_EXCEPTIONS
throw out_of_range(__msg);
# else
diff --git a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
index a9de4a52a6260..fa3ab1434804d 100644
--- a/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/at.pass.cpp
@@ -89,8 +89,8 @@ TEST_CONSTEXPR_CXX26 bool test() {
assert(m.at(8) == 8.5);
assert(m.size() == 7);
}
-// #if TEST_STD_VER >= 11
-#ifdef VINAY_DISABLE_FOR_NOW
+#if TEST_STD_VER >= 11
+// #ifdef VINAY_DISABLE_FOR_NOW
{
typedef std::pair<const int, double> V;
V ar[] = {
@@ -111,13 +111,14 @@ TEST_CONSTEXPR_CXX26 bool test() {
static_assert(std::is_base_of_v<Base, Derived>);
- using BaseP = min_pointer<Base>;
- using DerivedP = min_pointer<Derived>;
+ // using BaseP = min_pointer<Base>;
+ // using DerivedP = min_pointer<Derived>;
// static_assert(std::is_base_of_v<BaseP, DerivedP>);
- DerivedP dp(nullptr);
+ // DerivedP dp(nullptr);
+ // (void)dp;
- BaseP bp =static_cast<BaseP>(dp);
- (void)bp;
+ // BaseP bp =static_cast<BaseP>(dp);
+ // (void)bp;
@@ -131,11 +132,15 @@ TEST_CONSTEXPR_CXX26 bool test() {
assert(m.at(4) == 4.5);
assert(m.at(5) == 5.5);
# ifndef TEST_HAS_NO_EXCEPTIONS
+
+// throwing is not allowed in constexpr
+# if TEST_STD_VER < 26
try {
TEST_IGNORE_NODISCARD m.at(6);
assert(false);
} catch (std::out_of_range&) {
}
+# endif
# endif
assert(m.at(7) == 7.5);
assert(m.at(8) == 8.5);
@@ -160,11 +165,14 @@ TEST_CONSTEXPR_CXX26 bool test() {
assert(m.at(4) == 4.5);
assert(m.at(5) == 5.5);
# ifndef TEST_HAS_NO_EXCEPTIONS
+// throwing is not allowed in constexpr
+# if TEST_STD_VER < 26
try {
TEST_IGNORE_NODISCARD m.at(6);
assert(false);
} catch (std::out_of_range&) {
}
+# endif
# endif
assert(m.at(7) == 7.5);
assert(m.at(8) == 8.5);
diff --git a/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp
index 8633d522947c5..3e80d6416cfe6 100644
--- a/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp
@@ -81,6 +81,8 @@ TEST_CONSTEXPR_CXX26 bool test() {
using Key = Container::key_type;
using MappedType = Container::mapped_type;
ConstructController* cc = getConstructController();
+ ConstructController ci;
+ ConstructController* cc = &ci;
cc->reset();
{
Container c;
>From a38112b9596a2630e2b9ab1af71e0f8d75624e53 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Mon, 7 Apr 2025 18:47:21 -0400
Subject: [PATCH 14/27] empty.verify.cpp passes
---
.../associative/map/map.access/empty.verify.cpp | 12 ++----------
1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/libcxx/test/std/containers/associative/map/map.access/empty.verify.cpp b/libcxx/test/std/containers/associative/map/map.access/empty.verify.cpp
index 269add6089628..f44411df0bb00 100644
--- a/libcxx/test/std/containers/associative/map/map.access/empty.verify.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/empty.verify.cpp
@@ -10,21 +10,13 @@
// class map
-// bool empty() const noexcept;// constexpr since C++26
+// bool empty() const noexcept;
// UNSUPPORTED: c++03, c++11, c++14, c++17
#include <map>
-bool test() {
+void f() {
std::map<int, int> c;
c.empty(); // expected-warning {{ignoring return value of function declared with 'nodiscard' attribute}}
- return true;
-}
-
-int main() {
- assert(test());
-#if TEST_STD_VER >= 26
- static_assert(test());
-#endif
}
>From b9d17a971b596ddac3074f50121f4c48eda19645 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Mon, 7 Apr 2025 19:05:03 -0400
Subject: [PATCH 15/27] index_key_.pass.cpp constexpr fixed, but other failure
---
.../containers/associative/map/map.access/index_key.pass.cpp | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp
index 3e80d6416cfe6..5e771026baf9c 100644
--- a/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/index_key.pass.cpp
@@ -74,6 +74,7 @@ TEST_CONSTEXPR_CXX26 bool test() {
assert(m[6] == 6.5);
assert(m.size() == 8);
}
+ if(!TEST_IS_CONSTANT_EVALUATED)
{
// Use "container_test_types.h" to check what arguments get passed
// to the allocator for operator[]
@@ -81,8 +82,6 @@ TEST_CONSTEXPR_CXX26 bool test() {
using Key = Container::key_type;
using MappedType = Container::mapped_type;
ConstructController* cc = getConstructController();
- ConstructController ci;
- ConstructController* cc = &ci;
cc->reset();
{
Container c;
>From 7cbc6c8f93476d0c642ad55eb735692ef3836097 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Mon, 7 Apr 2025 19:06:50 -0400
Subject: [PATCH 16/27] index_rv_key.pass.cpp constexpr fixed, but other
failure
---
.../containers/associative/map/map.access/index_rv_key.pass.cpp | 1 +
1 file changed, 1 insertion(+)
diff --git a/libcxx/test/std/containers/associative/map/map.access/index_rv_key.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/index_rv_key.pass.cpp
index f5ec0c73bd284..9b2cd70934860 100644
--- a/libcxx/test/std/containers/associative/map/map.access/index_rv_key.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/index_rv_key.pass.cpp
@@ -53,6 +53,7 @@ TEST_CONSTEXPR_CXX26 bool test() {
assert(m[6] == 6.5);
assert(m.size() == 2);
}
+ if(!TEST_IS_CONSTANT_EVALUATED)
{
// Use "container_test_types.h" to check what arguments get passed
// to the allocator for operator[]
>From e8b0649fe7b4654354b82010d6dc478f8de91a4c Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Mon, 7 Apr 2025 19:09:56 -0400
Subject: [PATCH 17/27] fix index_tuple.pass.cpp
---
.../associative/map/map.access/index_tuple.pass.cpp | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/libcxx/test/std/containers/associative/map/map.access/index_tuple.pass.cpp b/libcxx/test/std/containers/associative/map/map.access/index_tuple.pass.cpp
index 565db2b6b7342..180b73ff533be 100644
--- a/libcxx/test/std/containers/associative/map/map.access/index_tuple.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.access/index_tuple.pass.cpp
@@ -19,6 +19,9 @@
#include <map>
#include <tuple>
+#include <cassert>
+#include "test_macros.h"
+
TEST_CONSTEXPR_CXX26 bool test() {
std::map<std::tuple<int, int>, std::size_t> m;
m[std::make_tuple(2, 3)] = 7;
@@ -26,7 +29,7 @@ return true;
}
int main(int, char**) {
-assert(test());
+ assert(test());
#if TEST_STD_VER >= 26
static_assert(test());
#endif
>From 5c51105acbf4348cae40792e636267bf9fef6376 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Mon, 7 Apr 2025 19:13:41 -0400
Subject: [PATCH 18/27] fix: iterator.pass.cpp
---
libcxx/include/__tree | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index bcc0b58c464f2..172602d8d43af 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -155,7 +155,7 @@ _LIBCPP_HIDE_FROM_ABI bool __tree_invariant(_NodePtr __root) {
// Returns: pointer to the left-most node under __x.
template <class _NodePtr>
-inline _LIBCPP_HIDE_FROM_ABI _NodePtr __tree_min(_NodePtr __x) _NOEXCEPT {
+inline _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 _NodePtr __tree_min(_NodePtr __x) _NOEXCEPT {
_LIBCPP_ASSERT_INTERNAL(__x != nullptr, "Root node shouldn't be null");
while (__x->__left_ != nullptr)
__x = __x->__left_;
@@ -183,7 +183,7 @@ _LIBCPP_HIDE_FROM_ABI _NodePtr __tree_next(_NodePtr __x) _NOEXCEPT {
}
template <class _EndNodePtr, class _NodePtr>
-inline _LIBCPP_HIDE_FROM_ABI _EndNodePtr __tree_next_iter(_NodePtr __x) _NOEXCEPT {
+inline _LIBCPP_HIDE_FROM_ABI _EndNodePtr _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree_next_iter(_NodePtr __x) _NOEXCEPT {
_LIBCPP_ASSERT_INTERNAL(__x != nullptr, "node shouldn't be null");
if (__x->__right_ != nullptr)
return static_cast<_EndNodePtr>(std::__tree_min(__x->__right_));
>From ed34a537f3773572b5742a13b58688f61c90b0e9 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Mon, 7 Apr 2025 19:16:31 -0400
Subject: [PATCH 19/27] fix max_size.pass.cpp
---
libcxx/include/__tree | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index 172602d8d43af..22ded21c171ee 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -957,7 +957,7 @@ private:
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const __iter_pointer& __begin_node() const _NOEXCEPT { return __begin_node_; }
public:
- _LIBCPP_HIDE_FROM_ABI allocator_type __alloc() const _NOEXCEPT { return allocator_type(__node_alloc()); }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 allocator_type __alloc() const _NOEXCEPT { return allocator_type(__node_alloc()); }
private:
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type& size() _NOEXCEPT { return __size_; }
>From 1d3b9ef5bf98f9fde765aa2c7eacc130da9e9d90 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Mon, 7 Apr 2025 19:19:50 -0400
Subject: [PATCH 20/27] size.pass.cpp
---
libcxx/include/__tree | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index 22ded21c171ee..15b180b4cec25 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -325,7 +325,7 @@ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree_balance_after_in
// nor any of its children refer to __z. end_node->__left_
// may be different than the value passed in as __root.
template <class _NodePtr>
-_LIBCPP_HIDE_FROM_ABI void __tree_remove(_NodePtr __root, _NodePtr __z) _NOEXCEPT {
+_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree_remove(_NodePtr __root, _NodePtr __z) _NOEXCEPT {
_LIBCPP_ASSERT_INTERNAL(__root != nullptr, "Root node should not be null");
_LIBCPP_ASSERT_INTERNAL(__z != nullptr, "The node to remove should not be null");
_LIBCPP_ASSERT_INTERNAL(std::__tree_invariant(__root), "The tree invariants should hold");
@@ -1153,7 +1153,7 @@ public:
_LIBCPP_HIDE_FROM_ABI iterator __node_insert_multi(__node_pointer __nd);
_LIBCPP_HIDE_FROM_ABI iterator __node_insert_multi(const_iterator __p, __node_pointer __nd);
- _LIBCPP_HIDE_FROM_ABI iterator __remove_node_pointer(__node_pointer) _NOEXCEPT;
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __remove_node_pointer(__node_pointer) _NOEXCEPT;
#if _LIBCPP_STD_VER >= 17
template <class _NodeHandle, class _InsertReturnType>
@@ -1176,12 +1176,12 @@ public:
_LIBCPP_HIDE_FROM_ABI _NodeHandle __node_handle_extract(const_iterator);
#endif
- _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __p);
- _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __f, const_iterator __l);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator erase(const_iterator __p);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator erase(const_iterator __f, const_iterator __l);
template <class _Key>
- _LIBCPP_HIDE_FROM_ABI size_type __erase_unique(const _Key& __k);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type __erase_unique(const _Key& __k);
template <class _Key>
- _LIBCPP_HIDE_FROM_ABI size_type __erase_multi(const _Key& __k);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 size_type __erase_multi(const _Key& __k);
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void
__insert_node_at(__parent_pointer __parent, __node_base_pointer& __child, __node_base_pointer __new_node) _NOEXCEPT;
@@ -1979,7 +1979,7 @@ __tree<_Tp, _Compare, _Allocator>::__node_insert_multi(const_iterator __p, __nod
}
template <class _Tp, class _Compare, class _Allocator>
-typename __tree<_Tp, _Compare, _Allocator>::iterator
+_LIBCPP_CONSTEXPR_SINCE_CXX26 typename __tree<_Tp, _Compare, _Allocator>::iterator
__tree<_Tp, _Compare, _Allocator>::__remove_node_pointer(__node_pointer __ptr) _NOEXCEPT {
iterator __r(__ptr);
++__r;
@@ -2110,7 +2110,7 @@ _LIBCPP_HIDE_FROM_ABI void __tree<_Tp, _Compare, _Allocator>::__node_handle_merg
#endif // _LIBCPP_STD_VER >= 17
template <class _Tp, class _Compare, class _Allocator>
-typename __tree<_Tp, _Compare, _Allocator>::iterator __tree<_Tp, _Compare, _Allocator>::erase(const_iterator __p) {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 typename __tree<_Tp, _Compare, _Allocator>::iterator __tree<_Tp, _Compare, _Allocator>::erase(const_iterator __p) {
__node_pointer __np = __p.__get_np();
iterator __r = __remove_node_pointer(__np);
__node_allocator& __na = __node_alloc();
@@ -2120,7 +2120,7 @@ typename __tree<_Tp, _Compare, _Allocator>::iterator __tree<_Tp, _Compare, _Allo
}
template <class _Tp, class _Compare, class _Allocator>
-typename __tree<_Tp, _Compare, _Allocator>::iterator
+_LIBCPP_CONSTEXPR_SINCE_CXX26 typename __tree<_Tp, _Compare, _Allocator>::iterator
__tree<_Tp, _Compare, _Allocator>::erase(const_iterator __f, const_iterator __l) {
while (__f != __l)
__f = erase(__f);
@@ -2129,7 +2129,7 @@ __tree<_Tp, _Compare, _Allocator>::erase(const_iterator __f, const_iterator __l)
template <class _Tp, class _Compare, class _Allocator>
template <class _Key>
-typename __tree<_Tp, _Compare, _Allocator>::size_type
+_LIBCPP_CONSTEXPR_SINCE_CXX26 typename __tree<_Tp, _Compare, _Allocator>::size_type
__tree<_Tp, _Compare, _Allocator>::__erase_unique(const _Key& __k) {
iterator __i = find(__k);
if (__i == end())
@@ -2140,7 +2140,7 @@ __tree<_Tp, _Compare, _Allocator>::__erase_unique(const _Key& __k) {
template <class _Tp, class _Compare, class _Allocator>
template <class _Key>
-typename __tree<_Tp, _Compare, _Allocator>::size_type
+_LIBCPP_CONSTEXPR_SINCE_CXX26 typename __tree<_Tp, _Compare, _Allocator>::size_type
__tree<_Tp, _Compare, _Allocator>::__erase_multi(const _Key& __k) {
pair<iterator, iterator> __p = __equal_range_multi(__k);
size_type __r = 0;
>From e124b63cace93415f455910f103c7e44cb2312b6 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Mon, 7 Apr 2025 19:22:32 -0400
Subject: [PATCH 21/27] alloc.pass.cpp
---
libcxx/include/map | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libcxx/include/map b/libcxx/include/map
index 3aaccf2e0f3d9..5d83f2c23fe6b 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -1159,7 +1159,7 @@ public:
# endif // _LIBCPP_CXX03_LANG
- _LIBCPP_HIDE_FROM_ABI explicit map(const allocator_type& __a) : __tree_(typename __base::allocator_type(__a)) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit map(const allocator_type& __a) : __tree_(typename __base::allocator_type(__a)) {}
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 map(const map& __m, const allocator_type& __a)
: __tree_(__m.__tree_.value_comp(), typename __base::allocator_type(__a)) {
>From 938989ce0576987502d8cb11bdf51bd807c23de3 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Tue, 8 Apr 2025 20:35:25 -0400
Subject: [PATCH 22/27] blocked on assign_initializer_list
---
libcxx/include/__tree | 22 +++++++++++-----------
libcxx/include/__utility/pair.h | 2 ++
libcxx/include/map | 22 ++++++++++++++++++++--
libcxx/test/std/containers/test_compare.h | 16 ++++++++--------
4 files changed, 41 insertions(+), 21 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index 15b180b4cec25..145f00070de89 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -245,7 +245,7 @@ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree_left_rotate(_Nod
// Effects: Makes __x->__left_ the subtree root with __x as its right child
// while preserving in-order order.
template <class _NodePtr>
-_LIBCPP_HIDE_FROM_ABI void __tree_right_rotate(_NodePtr __x) _NOEXCEPT {
+_LIBCPP_CONSTEXPR_SINCE_CXX26 _LIBCPP_HIDE_FROM_ABI void __tree_right_rotate(_NodePtr __x) _NOEXCEPT {
_LIBCPP_ASSERT_INTERNAL(__x != nullptr, "node shouldn't be null");
_LIBCPP_ASSERT_INTERNAL(__x->__left_ != nullptr, "node should have a left child");
_NodePtr __y = __x->__left_;
@@ -1147,7 +1147,7 @@ public:
return __emplace_hint_multi(__p, std::forward<_Vp>(__v));
}
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool>
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool>
__node_assign_unique(const __container_value_type& __v, __node_pointer __dest);
_LIBCPP_HIDE_FROM_ABI iterator __node_insert_multi(__node_pointer __nd);
@@ -1289,22 +1289,22 @@ private:
_LIBCPP_HIDE_FROM_ABI void __move_assign_alloc(__tree&, false_type) _NOEXCEPT {}
struct _DetachedTreeCache {
- _LIBCPP_HIDE_FROM_ABI explicit _DetachedTreeCache(__tree* __t) _NOEXCEPT
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 explicit _DetachedTreeCache(__tree* __t) _NOEXCEPT
: __t_(__t),
__cache_root_(__detach_from_tree(__t)) {
__advance();
}
- _LIBCPP_HIDE_FROM_ABI __node_pointer __get() const _NOEXCEPT { return __cache_elem_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_pointer __get() const _NOEXCEPT { return __cache_elem_; }
- _LIBCPP_HIDE_FROM_ABI void __advance() _NOEXCEPT {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __advance() _NOEXCEPT {
__cache_elem_ = __cache_root_;
if (__cache_root_) {
__cache_root_ = __detach_next(__cache_root_);
}
}
- _LIBCPP_HIDE_FROM_ABI ~_DetachedTreeCache() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 ~_DetachedTreeCache() {
__t_->destroy(__cache_elem_);
if (__cache_root_) {
while (__cache_root_->__parent_ != nullptr)
@@ -1317,8 +1317,8 @@ private:
_DetachedTreeCache& operator=(_DetachedTreeCache const&) = delete;
private:
- _LIBCPP_HIDE_FROM_ABI static __node_pointer __detach_from_tree(__tree* __t) _NOEXCEPT;
- _LIBCPP_HIDE_FROM_ABI static __node_pointer __detach_next(__node_pointer) _NOEXCEPT;
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static __node_pointer __detach_from_tree(__tree* __t) _NOEXCEPT;
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 static __node_pointer __detach_next(__node_pointer) _NOEXCEPT;
__tree* __t_;
__node_pointer __cache_root_;
@@ -1347,7 +1347,7 @@ _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__tree(const va
// Precondition: size() != 0
template <class _Tp, class _Compare, class _Allocator>
-typename __tree<_Tp, _Compare, _Allocator>::__node_pointer
+_LIBCPP_CONSTEXPR_SINCE_CXX26 typename __tree<_Tp, _Compare, _Allocator>::__node_pointer
__tree<_Tp, _Compare, _Allocator>::_DetachedTreeCache::__detach_from_tree(__tree* __t) _NOEXCEPT {
__node_pointer __cache = static_cast<__node_pointer>(__t->__begin_node());
__t->__begin_node() = __t->__end_node();
@@ -1367,7 +1367,7 @@ __tree<_Tp, _Compare, _Allocator>::_DetachedTreeCache::__detach_from_tree(__tree
// __cache->right_ == nullptr
// This is no longer a red-black tree
template <class _Tp, class _Compare, class _Allocator>
-typename __tree<_Tp, _Compare, _Allocator>::__node_pointer
+_LIBCPP_CONSTEXPR_SINCE_CXX26 typename __tree<_Tp, _Compare, _Allocator>::__node_pointer
__tree<_Tp, _Compare, _Allocator>::_DetachedTreeCache::__detach_next(__node_pointer __cache) _NOEXCEPT {
if (__cache->__parent_ == nullptr)
return nullptr;
@@ -1945,7 +1945,7 @@ _LIBCPP_CONSTEXPR_SINCE_CXX26 __tree<_Tp, _Compare, _Allocator>::__emplace_hint_
}
template <class _Tp, class _Compare, class _Allocator>
-pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
+_LIBCPP_CONSTEXPR_SINCE_CXX26 pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool>
__tree<_Tp, _Compare, _Allocator>::__node_assign_unique(const __container_value_type& __v, __node_pointer __nd) {
__parent_pointer __parent;
__node_base_pointer& __child = __find_equal(__parent, _NodeTypes::__get_key(__v));
diff --git a/libcxx/include/__utility/pair.h b/libcxx/include/__utility/pair.h
index 1f596a87f7cc7..a9f8e6d99b18e 100644
--- a/libcxx/include/__utility/pair.h
+++ b/libcxx/include/__utility/pair.h
@@ -39,6 +39,7 @@
#include <__utility/forward.h>
#include <__utility/move.h>
#include <__utility/piecewise_construct.h>
+#include <type_traits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
@@ -244,6 +245,7 @@ struct _LIBCPP_TEMPLATE_VIS pair
__enable_if_t<is_assignable<first_type&, _U1 const&>::value && is_assignable<second_type&, _U2 const&>::value,
int> = 0>
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX20 pair& operator=(pair<_U1, _U2> const& __p) {
+ // static_assert(std::is_same_v<decltype(first), decltype(__p.first)>);
first = __p.first;
second = __p.second;
return *this;
diff --git a/libcxx/include/map b/libcxx/include/map
index 5d83f2c23fe6b..47fc40d8643f8 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -802,7 +802,7 @@ public:
return std::addressof(__v.__cc_);
}
- _LIBCPP_HIDE_FROM_ABI __nc_ref_pair_type __ref() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __nc_ref_pair_type __ref() {
value_type& __v = __get_value();
return __nc_ref_pair_type(const_cast<key_type&>(__v.first), __v.second);
}
@@ -823,8 +823,26 @@ public:
}
template <class _ValueTp, __enable_if_t<__is_same_uncvref<_ValueTp, value_type>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI __value_type& operator=(_ValueTp&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __value_type& operator=(_ValueTp&& __v) {
+ // static_assert(false && std::is_same_v<_ValueTp, value_type> && !std::is_same_v<_ValueTp, _ValueTp>
+ // ,
+ // "fail");
+ // static_assert(std::is_same_v<decltype(__ref()), _ValueTp>, "fail");
+ // static_assert(std::is_same_v<decltype(__ref()), decltype(__v.first)>, "fail");
+
+ // note: modification of object of const-qualified type 'const int' is not allowed in a constant expression
+ // raised by: libcxx/test/std/containers/associative/map/map.cons/assign_initializer_list.pass.cpp
__ref() = std::forward<_ValueTp>(__v);
+ // only shows up at compile time for C++26, not runtime, for C++23
+
+ // make a copy right now to get past above error
+ // __ref() = _ValueTp{__v};
+
+ // value_type& __this_v = __get_value();
+ // const_cast<key_type&>(__this_v.first) = __v.first;
+ // disabled for now, because of above error,
+ // __this_v.first = std::move(__v.first);
+ // __this_v.second = __v.second;
return *this;
}
diff --git a/libcxx/test/std/containers/test_compare.h b/libcxx/test/std/containers/test_compare.h
index 18e0b27dc954d..0d02f86d4be13 100644
--- a/libcxx/test/std/containers/test_compare.h
+++ b/libcxx/test/std/containers/test_compare.h
@@ -12,19 +12,19 @@
template <class T>
struct test_equal_to {
int data_;
- explicit test_equal_to() : data_(0) {}
- explicit test_equal_to(int data) : data_(data) {}
- bool operator()(const T& a, const T& b) const { return a == b; }
- friend bool operator==(const test_equal_to& a, const test_equal_to& b) { return a.data_ == b.data_; }
+ TEST_CONSTEXPR_CXX26 explicit test_equal_to() : data_(0) {}
+ TEST_CONSTEXPR_CXX26 explicit test_equal_to(int data) : data_(data) {}
+ TEST_CONSTEXPR_CXX26 bool operator()(const T& a, const T& b) const { return a == b; }
+ TEST_CONSTEXPR_CXX26 friend bool operator==(const test_equal_to& a, const test_equal_to& b) { return a.data_ == b.data_; }
};
template <class T>
struct test_less {
int data_;
- explicit test_less() : data_(0) {}
- explicit test_less(int data) : data_(data) {}
- bool operator()(const T& a, const T& b) const { return a < b; }
- friend bool operator==(const test_less& a, const test_less& b) { return a.data_ == b.data_; }
+ TEST_CONSTEXPR_CXX26 explicit test_less() : data_(0) {}
+ TEST_CONSTEXPR_CXX26 explicit test_less(int data) : data_(data) {}
+ TEST_CONSTEXPR_CXX26 bool operator()(const T& a, const T& b) const { return a < b; }
+ TEST_CONSTEXPR_CXX26 friend bool operator==(const test_less& a, const test_less& b) { return a.data_ == b.data_; }
};
#endif // TEST_COMPARE_H
>From 7d73d59760a1016fc1c912d01da3fee1d78acb65 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Tue, 8 Apr 2025 20:37:12 -0400
Subject: [PATCH 23/27] compare.pass.cpp
---
libcxx/include/map | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/libcxx/include/map b/libcxx/include/map
index 47fc40d8643f8..e00479b735b13 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -676,34 +676,34 @@ class __map_value_compare<_Key, _CP, _Compare, false> {
_Compare __comp_;
public:
- _LIBCPP_HIDE_FROM_ABI __map_value_compare() _NOEXCEPT_(is_nothrow_default_constructible<_Compare>::value)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_value_compare() _NOEXCEPT_(is_nothrow_default_constructible<_Compare>::value)
: __comp_() {}
- _LIBCPP_HIDE_FROM_ABI __map_value_compare(_Compare __c) _NOEXCEPT_(is_nothrow_copy_constructible<_Compare>::value)
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __map_value_compare(_Compare __c) _NOEXCEPT_(is_nothrow_copy_constructible<_Compare>::value)
: __comp_(__c) {}
- _LIBCPP_HIDE_FROM_ABI const _Compare& key_comp() const _NOEXCEPT { return __comp_; }
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 const _Compare& key_comp() const _NOEXCEPT { return __comp_; }
- _LIBCPP_HIDE_FROM_ABI bool operator()(const _CP& __x, const _CP& __y) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator()(const _CP& __x, const _CP& __y) const {
return __comp_(__x.__get_value().first, __y.__get_value().first);
}
- _LIBCPP_HIDE_FROM_ABI bool operator()(const _CP& __x, const _Key& __y) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator()(const _CP& __x, const _Key& __y) const {
return __comp_(__x.__get_value().first, __y);
}
- _LIBCPP_HIDE_FROM_ABI bool operator()(const _Key& __x, const _CP& __y) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator()(const _Key& __x, const _CP& __y) const {
return __comp_(__x, __y.__get_value().first);
}
- void swap(__map_value_compare& __y) _NOEXCEPT_(__is_nothrow_swappable_v<_Compare>) {
+ _LIBCPP_CONSTEXPR_SINCE_CXX26 void swap(__map_value_compare& __y) _NOEXCEPT_(__is_nothrow_swappable_v<_Compare>) {
using std::swap;
swap(__comp_, __y.__comp_);
}
# if _LIBCPP_STD_VER >= 14
template <typename _K2>
- _LIBCPP_HIDE_FROM_ABI bool operator()(const _K2& __x, const _CP& __y) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator()(const _K2& __x, const _CP& __y) const {
return __comp_(__x, __y.__get_value().first);
}
template <typename _K2>
- _LIBCPP_HIDE_FROM_ABI bool operator()(const _CP& __x, const _K2& __y) const {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 bool operator()(const _CP& __x, const _K2& __y) const {
return __comp_(__x.__get_value().first, __y);
}
# endif
>From 30ec57ca56503b49423e3a4418fc2d3da5f926f7 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Tue, 8 Apr 2025 21:31:17 -0400
Subject: [PATCH 24/27] Modify all tests to have TEST_CONSTEXPR_CXX26 and
without
---
.../associative/map/compare.pass.cpp | 11 ++++++++--
.../associative/map/get_allocator.pass.cpp | 11 ++++++++--
.../associative/map/incomplete_type.pass.cpp | 11 ++++++++--
.../associative/map/map.cons/copy.pass.cpp | 11 ++++++++--
.../map/map.cons/copy_assign.pass.cpp | 11 ++++++++--
.../associative/map/map.cons/deduct.pass.cpp | 11 ++++++++--
.../map/map.cons/deduct_const.pass.cpp | 11 ++++++++--
.../associative/map/map.cons/default.pass.cpp | 11 ++++++++--
.../map/map.cons/default_noexcept.pass.cpp | 11 ++++++++--
.../map/map.cons/dtor_noexcept.pass.cpp | 11 ++++++++--
.../map/map.cons/from_range.pass.cpp | 13 +++++++++---
.../map/map.cons/initializer_list.pass.cpp | 11 ++++++++--
.../initializer_list_compare.pass.cpp | 11 ++++++++--
.../initializer_list_compare_alloc.pass.cpp | 11 ++++++++--
.../map/map.cons/iter_iter.pass.cpp | 11 ++++++++--
.../map/map.cons/iter_iter_comp.pass.cpp | 11 ++++++++--
.../map.cons/iter_iter_comp_alloc.pass.cpp | 11 ++++++++--
.../associative/map/map.cons/move.pass.cpp | 11 ++++++++--
.../map/map.cons/move_alloc.pass.cpp | 11 ++++++++--
.../map/map.cons/move_assign.pass.cpp | 11 ++++++++--
.../map/map.cons/move_noexcept.pass.cpp | 12 ++++++++---
.../map/map.erasure/erase_if.pass.cpp | 21 ++++++++++++++++---
.../map/map.modifiers/clear.pass.cpp | 11 ++++++++--
.../map/map.modifiers/emplace.pass.cpp | 11 ++++++++--
.../map/map.modifiers/emplace_hint.pass.cpp | 11 ++++++++--
.../map/map.modifiers/erase_iter.pass.cpp | 11 ++++++++--
.../map.modifiers/erase_iter_iter.pass.cpp | 11 ++++++++--
.../map/map.modifiers/erase_key.pass.cpp | 11 ++++++++--
.../map.modifiers/extract_iterator.pass.cpp | 11 ++++++++--
.../map/map.modifiers/extract_key.pass.cpp | 11 ++++++++--
...nd_emplace_allocator_requirements.pass.cpp | 15 +++++++++----
.../map/map.modifiers/insert_cv.pass.cpp | 11 ++++++++--
.../insert_initializer_list.pass.cpp | 11 ++++++++--
.../map/map.modifiers/insert_iter_cv.pass.cpp | 11 ++++++++--
.../map.modifiers/insert_iter_iter.pass.cpp | 11 ++++++++--
.../map/map.modifiers/insert_iter_rv.pass.cpp | 11 ++++++++--
.../map.modifiers/insert_node_type.pass.cpp | 11 ++++++++--
.../insert_node_type_hint.pass.cpp | 11 ++++++++--
.../map.modifiers/insert_or_assign.pass.cpp | 17 ++++++++++-----
.../map/map.modifiers/insert_range.pass.cpp | 11 ++++++++--
.../map/map.modifiers/insert_rv.pass.cpp | 11 ++++++++--
.../map/map.modifiers/merge.pass.cpp | 2 +-
.../map/map.modifiers/try.emplace.pass.cpp | 11 ++++++++--
.../map.nonmember/compare.three_way.pass.cpp | 4 ++--
.../map/map.observers/key_comp.pass.cpp | 11 ++++++++--
.../map/map.observers/value_comp.pass.cpp | 11 ++++++++--
.../associative/map/map.ops/contains.pass.cpp | 11 ++++++++--
.../map/map.ops/contains_transparent.pass.cpp | 11 ++++++++--
.../associative/map/map.ops/count0.pass.cpp | 11 ++++++++--
.../map/map.ops/count_transparent.pass.cpp | 11 ++++++++--
.../map/map.ops/equal_range.pass.cpp | 13 +++++++++---
.../map/map.ops/equal_range0.pass.cpp | 13 +++++++++---
.../map.ops/equal_range_transparent.pass.cpp | 13 +++++++++---
.../associative/map/map.ops/find.pass.cpp | 13 +++++++++---
.../associative/map/map.ops/find0.pass.cpp | 13 +++++++++---
.../map/map.ops/lower_bound.pass.cpp | 13 +++++++++---
.../map/map.ops/lower_bound0.pass.cpp | 13 +++++++++---
.../map/map.ops/upper_bound.pass.cpp | 13 +++++++++---
.../map/map.ops/upper_bound0.pass.cpp | 13 +++++++++---
.../map/map.special/member_swap.pass.cpp | 11 ++++++++--
.../map/map.special/non_member_swap.pass.cpp | 11 ++++++++--
.../map/map.special/swap_noexcept.pass.cpp | 13 +++++++++---
.../map/map.value_compare/invoke.pass.cpp | 11 ++++++++--
.../map/map.value_compare/types.pass.cpp | 11 ++++++++--
.../containers/associative/map/types.pass.cpp | 11 ++++++++--
65 files changed, 595 insertions(+), 147 deletions(-)
diff --git a/libcxx/test/std/containers/associative/map/compare.pass.cpp b/libcxx/test/std/containers/associative/map/compare.pass.cpp
index cb7a64b0409fc..d07f1b0b2c7fb 100644
--- a/libcxx/test/std/containers/associative/map/compare.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/compare.pass.cpp
@@ -10,7 +10,7 @@
// template <class Key, class T, class Compare = less<Key>,
// class Allocator = allocator<pair<const Key, T>>>
-// class map
+// class map // constexpr since C++26
// https://llvm.org/PR16538
// https://llvm.org/PR16549
@@ -27,7 +27,7 @@ struct Key {
bool operator<(const Key&) const { return false; }
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::map<Key, int> MapT;
typedef MapT::iterator Iter;
typedef std::pair<Iter, bool> IterBool;
@@ -50,6 +50,13 @@ int main(int, char**) {
assert(!result2.second);
assert(map[Key(0)] == 42);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/get_allocator.pass.cpp b/libcxx/test/std/containers/associative/map/get_allocator.pass.cpp
index 2dbd662d3b7ac..3f8f49e9dd649 100644
--- a/libcxx/test/std/containers/associative/map/get_allocator.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/get_allocator.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// allocator_type get_allocator() const
+// allocator_type get_allocator() const // constexpr since C++26
#include <map>
#include <cassert>
@@ -19,7 +19,7 @@
#include "test_allocator.h"
#include "test_macros.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::pair<const int, std::string> ValueType;
{
std::allocator<ValueType> alloc;
@@ -31,6 +31,13 @@ int main(int, char**) {
const std::map<int, std::string, std::less<int>, other_allocator<ValueType> > m(alloc);
assert(m.get_allocator() == alloc);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/incomplete_type.pass.cpp b/libcxx/test/std/containers/associative/map/incomplete_type.pass.cpp
index 99fc612698094..401d58ef65af5 100644
--- a/libcxx/test/std/containers/associative/map/incomplete_type.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/incomplete_type.pass.cpp
@@ -6,7 +6,7 @@
//
//===----------------------------------------------------------------------===//
-// <map>
+// <map> // constexpr since C++26
// Check that std::map and its iterators can be instantiated with an incomplete
// type.
@@ -25,8 +25,15 @@ struct A {
inline bool operator==(A const& L, A const& R) { return &L == &R; }
inline bool operator<(A const& L, A const& R) { return L.data < R.data; }
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
A a;
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/copy.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/copy.pass.cpp
index e7a69aff0b036..3f663d74876b3 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/copy.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/copy.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// map(const map& m);
+// map(const map& m); // constexpr since C++26
#include <map>
#include <cassert>
@@ -20,7 +20,7 @@
#include "test_allocator.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
V ar[] = {
@@ -122,6 +122,13 @@ int main(int, char**) {
assert(*std::next(mo.begin(), 2) == V(3, 1));
}
#endif
+ return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/copy_assign.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/copy_assign.pass.cpp
index 07c8bab2f201d..f6f4232d98a26 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/copy_assign.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/copy_assign.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// map& operator=(const map& m);
+// map& operator=(const map& m); // constexpr since C++26
#include <map>
#include <algorithm>
@@ -131,7 +131,7 @@ bool balanced_allocs() {
}
#endif
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
V ar[] = {V(1, 1), V(1, 1.5), V(1, 2), V(2, 1), V(2, 1.5), V(2, 2), V(3, 1), V(3, 1.5), V(3, 2)};
@@ -292,6 +292,13 @@ int main(int, char**) {
}
assert(balanced_allocs());
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/deduct.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/deduct.pass.cpp
index c91fe4b23566a..095ffbe26cb7d 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/deduct.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/deduct.pass.cpp
@@ -33,7 +33,7 @@
// template<ranges::input_range R, class Allocator>
// map(from_range_t, R&&, Allocator)
// -> map<range-key-type<R>, range-mapped-type<R>, less<range-key-type<R>>, Allocator>; // C++23
-
+ // constexpr since C++26
#include <algorithm> // std::equal
#include <array>
#include <cassert>
@@ -48,7 +48,7 @@
using P = std::pair<int, long>;
using PC = std::pair<const int, long>;
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
const P arr[] = {{1, 1L}, {2, 2L}, {1, 1L}, {INT_MAX, 1L}, {3, 1L}};
std::map m(std::begin(arr), std::end(arr));
@@ -192,6 +192,13 @@ int main(int, char**) {
#endif
AssociativeContainerDeductionGuidesSfinaeAway<std::map, std::map<int, long>>();
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/deduct_const.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/deduct_const.pass.cpp
index dcc2d4510bcb6..1369b0bcce230 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/deduct_const.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/deduct_const.pass.cpp
@@ -24,7 +24,7 @@
// template<class Key, class Allocator>
// map(initializer_list<Key>, Allocator)
// -> map<Key, less<Key>, Allocator>;
-
+ // constexpr since C++26
#include <algorithm> // std::equal
#include <cassert>
#include <climits> // INT_MAX
@@ -39,7 +39,7 @@ using P = std::pair<int, long>;
using PC = std::pair<const int, long>;
using PCC = std::pair<const int, const long>;
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
const PCC arr[] = {{1, 1L}, {2, 2L}, {1, 1L}, {INT_MAX, 1L}, {3, 1L}};
std::map m(std::begin(arr), std::end(arr));
@@ -102,6 +102,13 @@ int main(int, char**) {
assert(std::equal(m.begin(), m.end(), std::begin(expected_m), std::end(expected_m)));
assert(m.get_allocator().get_id() == 45);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/default.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/default.pass.cpp
index 1b48370387a8f..cd3f73cc4720f 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/default.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/default.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// map();
+// map(); // constexpr since C++26
#include <map>
#include <cassert>
@@ -18,7 +18,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
std::map<int, double> m;
assert(m.empty());
@@ -50,6 +50,13 @@ int main(int, char**) {
assert(m.begin() == m.end());
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/default_noexcept.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/default_noexcept.pass.cpp
index 1e43a893d66c1..9a2f6fee984e7 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/default_noexcept.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/default_noexcept.pass.cpp
@@ -12,7 +12,7 @@
// noexcept(
// is_nothrow_default_constructible<allocator_type>::value &&
// is_nothrow_default_constructible<key_compare>::value &&
-// is_nothrow_copy_constructible<key_compare>::value);
+// is_nothrow_copy_constructible<key_compare>::value); // constexpr since C++26
// This tests a conforming extension
@@ -32,7 +32,7 @@ struct some_comp {
bool operator()(const T&, const T&) const { return false; }
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::pair<const MoveOnly, MoveOnly> V;
#if defined(_LIBCPP_VERSION)
{
@@ -52,6 +52,13 @@ int main(int, char**) {
typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
static_assert(!std::is_nothrow_default_constructible<C>::value, "");
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/dtor_noexcept.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/dtor_noexcept.pass.cpp
index 8497b942ad8eb..591f39fc979e6 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/dtor_noexcept.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/dtor_noexcept.pass.cpp
@@ -8,7 +8,7 @@
// <map>
-// ~map() // implied noexcept;
+// ~map() // implied noexcept; // constexpr since C++26
// UNSUPPORTED: c++03
@@ -26,7 +26,7 @@ struct some_comp {
bool operator()(const T&, const T&) const noexcept { return false; }
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::pair<const MoveOnly, MoveOnly> V;
{
typedef std::map<MoveOnly, MoveOnly> C;
@@ -46,6 +46,13 @@ int main(int, char**) {
static_assert(!std::is_nothrow_destructible<C>::value, "");
}
#endif // _LIBCPP_VERSION
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/from_range.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/from_range.pass.cpp
index dc06266064a8d..ef04ffee5941f 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/from_range.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/from_range.pass.cpp
@@ -9,11 +9,11 @@
// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
// template<container-compatible-range<value_type> R>
-// map(from_range_t, R&& rg, const Compare& comp = Compare(), const Allocator& = Allocator()); // C++23
+// map(from_range_t, R&& rg, const Compare& comp = Compare(), const Allocator& = Allocator()); // C++23 // constexpr since C++26
//
// template<container-compatible-range<value_type> R>
// map(from_range_t, R&& rg, const Allocator& a))
-// : map(from_range, std::forward<R>(rg), Compare(), a) { } // C++23
+// : map(from_range, std::forward<R>(rg), Compare(), a) { } // C++23 // constexpr since C++26
#include <array>
#include <map>
@@ -30,7 +30,7 @@ void test_duplicates() {
assert(std::ranges::is_permutation(expected, c));
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
using T = std::pair<const int, int>;
for_all_iterators_and_allocators<T>([]<class Iter, class Sent, class Alloc>() {
test_associative_map<std::map, int, int, Iter, Sent, test_less<int>, Alloc>();
@@ -42,6 +42,13 @@ int main(int, char**) {
test_map_exception_safety_throwing_copy<std::map>();
test_map_exception_safety_throwing_allocator<std::map, int, int>();
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/initializer_list.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/initializer_list.pass.cpp
index b18dc5cf754a0..0597e3944b630 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/initializer_list.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/initializer_list.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// map(initializer_list<value_type> il);
+// map(initializer_list<value_type> il); // constexpr since C++26
#include <map>
#include <cassert>
@@ -20,7 +20,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
std::map<int, double> m = {{1, 1}, {1, 1.5}, {1, 2}, {2, 1}, {2, 1.5}, {2, 2}, {3, 1}, {3, 1.5}, {3, 2}};
@@ -40,6 +40,13 @@ int main(int, char**) {
assert(*std::next(m.begin()) == V(2, 1));
assert(*std::next(m.begin(), 2) == V(3, 1));
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/initializer_list_compare.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/initializer_list_compare.pass.cpp
index 301384362bfe7..e9a8b05451f22 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/initializer_list_compare.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/initializer_list_compare.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// map(initializer_list<value_type> il, const key_compare& comp);
+// map(initializer_list<value_type> il, const key_compare& comp); // constexpr since C++26
#include <map>
#include <cassert>
@@ -20,7 +20,7 @@
#include "../../../test_compare.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
typedef test_less<int> C;
@@ -44,6 +44,13 @@ int main(int, char**) {
assert(*std::next(m.begin(), 2) == V(3, 1));
assert(m.key_comp() == C(3));
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/initializer_list_compare_alloc.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/initializer_list_compare_alloc.pass.cpp
index da138ebd9ae61..73a80288504b9 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/initializer_list_compare_alloc.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/initializer_list_compare_alloc.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// map(initializer_list<value_type> il, const key_compare& comp, const allocator_type& a);
+// map(initializer_list<value_type> il, const key_compare& comp, const allocator_type& a); // constexpr since C++26
#include <map>
#include <cassert>
@@ -21,7 +21,7 @@
#include "test_allocator.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
typedef test_less<int> C;
@@ -80,6 +80,13 @@ int main(int, char**) {
assert(m.key_comp() == C(3));
assert(m.get_allocator() == a);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/iter_iter.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/iter_iter.pass.cpp
index c8ed1413c3084..59d8ae9316dc4 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/iter_iter.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/iter_iter.pass.cpp
@@ -11,7 +11,7 @@
// class map
// template <class InputIterator>
-// map(InputIterator first, InputIterator last);
+// map(InputIterator first, InputIterator last); // constexpr since C++26
#include <map>
#include <cassert>
@@ -19,7 +19,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
V ar[] = {
@@ -63,6 +63,13 @@ int main(int, char**) {
assert(*std::next(m.begin(), 2) == V(3, 1));
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/iter_iter_comp.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/iter_iter_comp.pass.cpp
index f8ecee04a528a..91dedf7e15a53 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/iter_iter_comp.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/iter_iter_comp.pass.cpp
@@ -11,7 +11,7 @@
// class map
// template <class InputIterator>
-// map(InputIterator first, InputIterator last, const key_compare& comp);
+// map(InputIterator first, InputIterator last, const key_compare& comp); // constexpr since C++26
#include <map>
#include <cassert>
@@ -20,7 +20,7 @@
#include "../../../test_compare.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
V ar[] = {
@@ -67,6 +67,13 @@ int main(int, char**) {
assert(*std::next(m.begin(), 2) == V(3, 1));
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/iter_iter_comp_alloc.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/iter_iter_comp_alloc.pass.cpp
index 862b07bb11731..8c84e1967c324 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/iter_iter_comp_alloc.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/iter_iter_comp_alloc.pass.cpp
@@ -12,7 +12,7 @@
// template <class InputIterator>
// map(InputIterator first, InputIterator last,
-// const key_compare& comp, const allocator_type& a);
+// const key_compare& comp, const allocator_type& a); // constexpr since C++26
#include <map>
#include <cassert>
@@ -22,7 +22,7 @@
#include "test_allocator.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
V ar[] = {
@@ -115,6 +115,13 @@ int main(int, char**) {
}
# endif
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/move.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/move.pass.cpp
index d33ef527c91de..a0d0a37945ccf 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/move.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/move.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// map(map&& m);
+// map(map&& m); // constexpr since C++26
#include <map>
#include <cassert>
@@ -22,7 +22,7 @@
#include "test_allocator.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::pair<const int, double> V;
{
typedef test_less<int> C;
@@ -114,6 +114,13 @@ int main(int, char**) {
assert(mo.size() == 0);
assert(std::distance(mo.begin(), mo.end()) == 0);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/move_alloc.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/move_alloc.pass.cpp
index 886a4fa714d89..2fc6e9c244946 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/move_alloc.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/move_alloc.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// map(map&& m, const allocator_type& a);
+// map(map&& m, const allocator_type& a); // constexpr since C++26
#include <map>
#include <cassert>
@@ -25,7 +25,7 @@
#include "min_allocator.h"
#include "Counter.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<MoveOnly, MoveOnly> V;
typedef std::pair<const MoveOnly, MoveOnly> VC;
@@ -150,6 +150,13 @@ int main(int, char**) {
assert(m3.key_comp() == C(5));
LIBCPP_ASSERT(m1.empty());
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/move_assign.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/move_assign.pass.cpp
index 94f991976d6ad..520f623751680 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/move_assign.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/move_assign.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// map& operator=(map&& m);
+// map& operator=(map&& m); // constexpr since C++26
#include <map>
#include <cassert>
@@ -23,7 +23,7 @@
#include "test_allocator.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<MoveOnly, MoveOnly> V;
typedef std::pair<const MoveOnly, MoveOnly> VC;
@@ -96,6 +96,13 @@ int main(int, char**) {
assert(m3.key_comp() == C(5));
assert(m1.empty());
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.cons/move_noexcept.pass.cpp b/libcxx/test/std/containers/associative/map/map.cons/move_noexcept.pass.cpp
index 06316ccf0901a..9814c30b74513 100644
--- a/libcxx/test/std/containers/associative/map/map.cons/move_noexcept.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.cons/move_noexcept.pass.cpp
@@ -10,7 +10,7 @@
// map(map&&)
// noexcept(is_nothrow_move_constructible<allocator_type>::value &&
-// is_nothrow_move_constructible<key_compare>::value);
+// is_nothrow_move_constructible<key_compare>::value); // constexpr since C++26
// This tests a conforming extension
@@ -30,7 +30,8 @@ struct some_comp {
bool operator()(const T&, const T&) const { return false; }
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
+
#if defined(_LIBCPP_VERSION)
typedef std::pair<const MoveOnly, MoveOnly> V;
{
@@ -50,6 +51,11 @@ int main(int, char**) {
typedef std::map<MoveOnly, MoveOnly, some_comp<MoveOnly>> C;
static_assert(!std::is_nothrow_move_constructible<C>::value, "");
}
-
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.erasure/erase_if.pass.cpp b/libcxx/test/std/containers/associative/map/map.erasure/erase_if.pass.cpp
index ccfd800cafde0..3d8ff6454598f 100644
--- a/libcxx/test/std/containers/associative/map/map.erasure/erase_if.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.erasure/erase_if.pass.cpp
@@ -11,7 +11,7 @@
// template <class Key, class T, class Compare, class Allocator, class Predicate>
// typename map<Key, T, Compare, Allocator>::size_type
-// erase_if(map<Key, T, Compare, Allocator>& c, Predicate pred);
+// erase_if(map<Key, T, Compare, Allocator>& c, Predicate pred); // constexpr since C++26
#include <map>
@@ -36,8 +36,9 @@ void test0(Init vals, Pred p, Init expected, std::size_t expected_erased_count)
assert(s == make<M>(expected));
}
+TEST_CONSTEXPR_CXX26
template <typename S>
-void test() {
+bool test() {
auto is1 = [](auto v) { return v.first == 1; };
auto is2 = [](auto v) { return v.first == 2; };
auto is3 = [](auto v) { return v.first == 3; };
@@ -61,9 +62,13 @@ void test() {
test0<S>({1, 2, 3}, True, {}, 3);
test0<S>({1, 2, 3}, False, {1, 2, 3}, 0);
+
+ return true;
}
-int main(int, char**) {
+
+TEST_CONSTEXPR_CXX26
+bool test_upper() {
test<std::map<int, int>>();
test<std::map<int, int, std::less<int>, min_allocator<std::pair<const int, int>>>>();
test<std::map<int, int, std::less<int>, test_allocator<std::pair<const int, int>>>>();
@@ -71,5 +76,15 @@ int main(int, char**) {
test<std::map<long, short>>();
test<std::map<short, double>>();
+ return true;
+}
+
+int main(int, char**) {
+
+assert(test_upper());
+#if TEST_STD_VER >= 26
+ static_assert(test_upper());
+#endif
+
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/clear.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/clear.pass.cpp
index 938f22eb880a6..7648371d8b77f 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/clear.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/clear.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// void clear() noexcept;
+// void clear() noexcept; // constexpr since C++26
#include <map>
#include <cassert>
@@ -18,7 +18,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double> M;
typedef std::pair<int, double> P;
@@ -59,6 +59,13 @@ int main(int, char**) {
assert(m.size() == 0);
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/emplace.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/emplace.pass.cpp
index 36b073c2b551e..a965fde810880 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/emplace.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/emplace.pass.cpp
@@ -13,7 +13,7 @@
// class map
// template <class... Args>
-// pair<iterator, bool> emplace(Args&&... args);
+// pair<iterator, bool> emplace(Args&&... args); // constexpr since C++26
#include <map>
#include <cassert>
@@ -24,7 +24,7 @@
#include "DefaultOnly.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, DefaultOnly> M;
typedef std::pair<M::iterator, bool> R;
@@ -149,6 +149,13 @@ int main(int, char**) {
assert(m.begin()->first == 2);
assert(m.begin()->second == 3.5);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/emplace_hint.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/emplace_hint.pass.cpp
index 56d1c5c2b90ac..d8ba2c40ba6fd 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/emplace_hint.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/emplace_hint.pass.cpp
@@ -13,7 +13,7 @@
// class map
// template <class... Args>
-// iterator emplace_hint(const_iterator position, Args&&... args);
+// iterator emplace_hint(const_iterator position, Args&&... args); // constexpr since C++26
#include <map>
#include <cassert>
@@ -23,7 +23,7 @@
#include "DefaultOnly.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, DefaultOnly> M;
typedef M::iterator R;
@@ -134,6 +134,13 @@ int main(int, char**) {
assert(m.begin()->first == 2);
assert(m.begin()->second == 3.5);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/erase_iter.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/erase_iter.pass.cpp
index 9a0cf9bd21cee..96155f30d8463 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/erase_iter.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/erase_iter.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// iterator erase(const_iterator position);
+// iterator erase(const_iterator position); // constexpr since C++26
#include <map>
#include <cassert>
@@ -25,7 +25,7 @@ struct TemplateConstructor {
bool operator<(const TemplateConstructor&, const TemplateConstructor&) { return false; }
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double> M;
typedef std::pair<int, double> P;
@@ -252,6 +252,13 @@ int main(int, char**) {
c.erase(it);
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/erase_iter_iter.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/erase_iter_iter.pass.cpp
index 671f114951fc4..4b460e194020b 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/erase_iter_iter.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/erase_iter_iter.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// iterator erase(const_iterator first, const_iterator last);
+// iterator erase(const_iterator first, const_iterator last); // constexpr since C++26
#include <map>
#include <cassert>
@@ -18,7 +18,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double> M;
typedef std::pair<int, double> P;
@@ -151,6 +151,13 @@ int main(int, char**) {
assert(i == m.end());
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/erase_key.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/erase_key.pass.cpp
index f276467d97029..704721e62dad7 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/erase_key.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/erase_key.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// size_type erase(const key_type& k);
+// size_type erase(const key_type& k); // constexpr since C++26
#include <map>
#include <cassert>
@@ -18,7 +18,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double> M;
typedef std::pair<int, double> P;
@@ -269,6 +269,13 @@ int main(int, char**) {
assert(s == 1);
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/extract_iterator.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/extract_iterator.pass.cpp
index db360cb8fe701..468e87cce1312 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/extract_iterator.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/extract_iterator.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// node_type extract(const_iterator);
+// node_type extract(const_iterator); // constexpr since C++26
#include <map>
#include "test_macros.h"
@@ -39,7 +39,7 @@ void test(Container& c) {
assert(c.size() == 0);
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
using map_type = std::map<int, int>;
map_type m = {{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}, {6, 6}};
@@ -58,6 +58,13 @@ int main(int, char**) {
min_alloc_map m = {{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}, {6, 6}};
test(m);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/extract_key.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/extract_key.pass.cpp
index 7ad9558c90c07..75e5ff6c7b47f 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/extract_key.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/extract_key.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// node_type extract(key_type const&);
+// node_type extract(key_type const&); // constexpr since C++26
#include <map>
#include "test_macros.h"
@@ -43,7 +43,7 @@ void test(Container& c, KeyTypeIter first, KeyTypeIter last) {
}
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
std::map<int, int> m = {{1, 1}, {2, 2}, {3, 3}, {4, 4}, {5, 5}, {6, 6}};
int keys[] = {1, 2, 3, 4, 5, 6};
@@ -66,6 +66,13 @@ int main(int, char**) {
int keys[] = {1, 2, 3, 4, 5, 6};
test(m, std::begin(keys), std::end(keys));
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_and_emplace_allocator_requirements.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_and_emplace_allocator_requirements.pass.cpp
index 5dfd415e4382e..28a013f24c126 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_and_emplace_allocator_requirements.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_and_emplace_allocator_requirements.pass.cpp
@@ -10,9 +10,9 @@
// class map
-// insert(...);
-// emplace(...);
-// emplace_hint(...);
+// insert(...); // constexpr since C++26
+// emplace(...); // constexpr since C++26
+// emplace_hint(...); // constexpr since C++26
// UNSUPPORTED: c++03
@@ -22,11 +22,18 @@
#include "container_test_types.h"
#include "../../../map_allocator_requirement_test_templates.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
testMapInsert<TCT::map<> >();
testMapInsertHint<TCT::map<> >();
testMapEmplace<TCT::map<> >();
testMapEmplaceHint<TCT::map<> >();
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_cv.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_cv.pass.cpp
index e845461cfbf31..7a8ea624c6d03 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_cv.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_cv.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// pair<iterator, bool> insert(const value_type& v);
+// pair<iterator, bool> insert(const value_type& v); // constexpr since C++26
#include <map>
#include <cassert>
@@ -58,7 +58,7 @@ void do_insert_cv_test() {
assert(r.first->second == 3.5);
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
do_insert_cv_test<std::map<int, double> >();
#if TEST_STD_VER >= 11
{
@@ -66,6 +66,13 @@ int main(int, char**) {
do_insert_cv_test<M>();
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_initializer_list.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_initializer_list.pass.cpp
index 1f6e5c6371a11..4b3073e667dbc 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_initializer_list.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_initializer_list.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// void insert(initializer_list<value_type> il);
+// void insert(initializer_list<value_type> il); // constexpr since C++26
#include <map>
#include <cassert>
@@ -20,7 +20,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
std::map<int, double> m = {{1, 1}, {1, 1.5}, {1, 2}, {3, 1}, {3, 1.5}, {3, 2}};
@@ -49,6 +49,13 @@ int main(int, char**) {
assert(*std::next(m.begin()) == V(2, 1));
assert(*std::next(m.begin(), 2) == V(3, 1));
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_cv.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_cv.pass.cpp
index 5256ca2c8d451..cc0806de406fa 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_cv.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_cv.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// iterator insert(const_iterator position, const value_type& v);
+// iterator insert(const_iterator position, const value_type& v); // constexpr since C++26
#include <map>
#include <cassert>
@@ -54,7 +54,7 @@ void do_insert_iter_cv_test() {
assert(r->second == 3.5);
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
do_insert_iter_cv_test<std::map<int, double> >();
#if TEST_STD_VER >= 11
{
@@ -62,6 +62,13 @@ int main(int, char**) {
do_insert_iter_cv_test<M>();
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_iter.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_iter.pass.cpp
index 0baff65f61938..db0a3df299ed0 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_iter.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_iter.pass.cpp
@@ -11,7 +11,7 @@
// class map
// template <class InputIterator>
-// void insert(InputIterator first, InputIterator last);
+// void insert(InputIterator first, InputIterator last); // constexpr since C++26
#include <map>
#include <cassert>
@@ -20,7 +20,7 @@
#include "test_iterators.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double> M;
typedef std::pair<int, double> P;
@@ -71,6 +71,13 @@ int main(int, char**) {
assert(std::next(m.begin(), 2)->second == 1);
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_rv.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_rv.pass.cpp
index 5d72bae39bad1..c054c0aa60a35 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_rv.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_iter_rv.pass.cpp
@@ -13,7 +13,7 @@
// class map
// template <class P>
-// iterator insert(const_iterator position, P&& p);
+// iterator insert(const_iterator position, P&& p); // constexpr since C++26
#include <map>
#include <cassert>
@@ -52,7 +52,7 @@ void do_insert_iter_rv_test() {
assert(r->first == 3);
assert(r->second == 3);
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
do_insert_iter_rv_test<std::map<int, MoveOnly>, std::pair<int, MoveOnly>>();
do_insert_iter_rv_test<std::map<int, MoveOnly>, std::pair<const int, MoveOnly>>();
@@ -91,6 +91,13 @@ int main(int, char**) {
assert(r->first == 3);
assert(r->second == 3);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_node_type.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_node_type.pass.cpp
index 1875c3635d9d2..27acf2c663d90 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_node_type.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_node_type.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// insert_return_type insert(node_type&&);
+// insert_return_type insert(node_type&&); // constexpr since C++26
#include <map>
#include <memory>
@@ -96,11 +96,18 @@ void test(Container& c) {
}
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
std::map<int, int> m;
test(m);
std::map<int, int, std::less<int>, min_allocator<std::pair<const int, int>>> m2;
test(m2);
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_node_type_hint.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_node_type_hint.pass.cpp
index f7db47173bc3b..cfe351c7d515d 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_node_type_hint.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_node_type_hint.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// iterator insert(const_iterator hint, node_type&&);
+// iterator insert(const_iterator hint, node_type&&); // constexpr since C++26
#include <map>
#include "test_macros.h"
@@ -50,11 +50,18 @@ void test(Container& c) {
}
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
std::map<int, int> m;
test(m);
std::map<int, int, std::less<int>, min_allocator<std::pair<const int, int>>> m2;
test(m2);
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_or_assign.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_or_assign.pass.cpp
index 8a129b0295180..38669bd4fe807 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_or_assign.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_or_assign.pass.cpp
@@ -13,13 +13,13 @@
// class map
// template <class M>
-// pair<iterator, bool> insert_or_assign(const key_type& k, M&& obj); // C++17
+// pair<iterator, bool> insert_or_assign(const key_type& k, M&& obj); // C++17 // constexpr since C++26
// template <class M>
-// pair<iterator, bool> insert_or_assign(key_type&& k, M&& obj); // C++17
+// pair<iterator, bool> insert_or_assign(key_type&& k, M&& obj); // C++17 // constexpr since C++26
// template <class M>
-// iterator insert_or_assign(const_iterator hint, const key_type& k, M&& obj); // C++17
+// iterator insert_or_assign(const_iterator hint, const key_type& k, M&& obj); // C++17 // constexpr since C++26
// template <class M>
-// iterator insert_or_assign(const_iterator hint, key_type&& k, M&& obj); // C++17
+// iterator insert_or_assign(const_iterator hint, key_type&& k, M&& obj); // C++17 // constexpr since C++26
#include <map>
#include <cassert>
@@ -57,7 +57,7 @@ class Moveable {
bool moved() const { return int_ == -1; }
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{ // pair<iterator, bool> insert_or_assign(const key_type& k, M&& obj);
typedef std::map<int, Moveable> M;
typedef std::pair<M::iterator, bool> R;
@@ -282,6 +282,13 @@ int main(int, char**) {
assert(r->first.get() == 11); // key
assert(r->second.get() == 13); // value
}
+return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_range.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_range.pass.cpp
index 95d8897cea282..f5b7178521438 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_range.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_range.pass.cpp
@@ -13,14 +13,14 @@
// <map>
// template<container-compatible-range<value_type> R>
-// void insert_range(R&& rg); // C++23
+// void insert_range(R&& rg); // C++23 // constexpr since C++26
#include <map>
#include "../../../insert_range_maps_sets.h"
#include "test_macros.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
// Note: we want to use a pair with non-const elements for input (an assignable type is a lot more convenient) but
// have to use the exact `value_type` of the map (that is, `pair<const K, V>`) for the allocator.
using Pair = std::pair<int, char>;
@@ -35,6 +35,13 @@ int main(int, char**) {
test_map_insert_range_exception_safety_throwing_copy<std::map>();
test_assoc_map_insert_range_exception_safety_throwing_allocator<std::map, int, int>();
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/insert_rv.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/insert_rv.pass.cpp
index 345bfde531cf9..7e8c25ab4c76e 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/insert_rv.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/insert_rv.pass.cpp
@@ -14,7 +14,7 @@
// pair<iterator, bool> insert( value_type&& v); // C++17 and later
// template <class P>
-// pair<iterator, bool> insert(P&& p);
+// pair<iterator, bool> insert(P&& p); // constexpr since C++26
#include <map>
#include <cassert>
@@ -58,7 +58,7 @@ void do_insert_rv_test() {
assert(r.first->second == 3);
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
do_insert_rv_test<std::map<int, MoveOnly>, std::pair<int, MoveOnly>>();
do_insert_rv_test<std::map<int, MoveOnly>, std::pair<const int, MoveOnly>>();
@@ -101,6 +101,13 @@ int main(int, char**) {
assert(r.first->first == 3);
assert(r.first->second == 3);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/merge.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/merge.pass.cpp
index 3613acfa18c1d..618b2ea7f3930 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/merge.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/merge.pass.cpp
@@ -117,7 +117,7 @@ int main(int, char**) {
assert(map_equal(second, {{2, 0}, {3, 0}}));
assert(map_equal(third, {{1, 0}, {3, 0}}));
- assert(Counter_base::gConstructed == 8);
+ assert(Counter_base::gConstructed == 8);
}
assert(Counter_base::gConstructed == 0);
}
diff --git a/libcxx/test/std/containers/associative/map/map.modifiers/try.emplace.pass.cpp b/libcxx/test/std/containers/associative/map/map.modifiers/try.emplace.pass.cpp
index a087704fb4daf..83dbd62130f26 100644
--- a/libcxx/test/std/containers/associative/map/map.modifiers/try.emplace.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.modifiers/try.emplace.pass.cpp
@@ -19,7 +19,7 @@
// template <class... Args>
// iterator try_emplace(const_iterator hint, const key_type& k, Args&&... args); // C++17
// template <class... Args>
-// iterator try_emplace(const_iterator hint, key_type&& k, Args&&... args); // C++17
+// iterator try_emplace(const_iterator hint, key_type&& k, Args&&... args); // C++17 // constexpr since C++26
#include <map>
#include <cassert>
@@ -57,7 +57,7 @@ class Moveable {
bool moved() const { return int_ == -1; }
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{ // pair<iterator, bool> try_emplace(const key_type& k, Args&&... args);
typedef std::map<int, Moveable> M;
typedef std::pair<M::iterator, bool> R;
@@ -178,6 +178,13 @@ int main(int, char**) {
assert(r->first.get() == 3); // key
assert(r->second.get() == 4); // value
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.nonmember/compare.three_way.pass.cpp b/libcxx/test/std/containers/associative/map/map.nonmember/compare.three_way.pass.cpp
index 0e1c57f123e58..66ef5437afb41 100644
--- a/libcxx/test/std/containers/associative/map/map.nonmember/compare.three_way.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.nonmember/compare.three_way.pass.cpp
@@ -14,14 +14,14 @@
// template<class Key, class T, class Compare, class Allocator>
// synth-three-way-result<pair<const Key, T>>
// operator<=>(const map<Key, T, Compare, Allocator>& x,
-// const map<Key, T, Compare, Allocator>& y);
+// const map<Key, T, Compare, Allocator>& y); // constexpr since C++26
#include <cassert>
#include <map>
#include "test_container_comparisons.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {}
assert(test_ordered_map_container_spaceship<std::map>());
// `std::map` is not constexpr, so no `static_assert` test here.
return 0;
diff --git a/libcxx/test/std/containers/associative/map/map.observers/key_comp.pass.cpp b/libcxx/test/std/containers/associative/map/map.observers/key_comp.pass.cpp
index f0757ab47ee48..c79720ce2bee9 100644
--- a/libcxx/test/std/containers/associative/map/map.observers/key_comp.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.observers/key_comp.pass.cpp
@@ -8,13 +8,13 @@
// <map>
-// key_compare key_comp() const;
+// key_compare key_comp() const; // constexpr since C++26
#include <map>
#include <cassert>
#include <string>
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::map<int, std::string> map_type;
map_type m;
@@ -25,6 +25,13 @@ int main(int, char**) {
assert(cm.key_comp()(p1.first->first, p2.first->first));
assert(!cm.key_comp()(p2.first->first, p1.first->first));
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.observers/value_comp.pass.cpp b/libcxx/test/std/containers/associative/map/map.observers/value_comp.pass.cpp
index edd1cd3c5c271..eddc1e2d3a0b5 100644
--- a/libcxx/test/std/containers/associative/map/map.observers/value_comp.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.observers/value_comp.pass.cpp
@@ -8,13 +8,13 @@
// <map>
-// value_compare value_comp() const;
+// value_compare value_comp() const; // constexpr since C++26
#include <map>
#include <cassert>
#include <string>
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::map<int, std::string> map_type;
map_type m;
@@ -25,6 +25,13 @@ int main(int, char**) {
assert(cm.value_comp()(*p1.first, *p2.first));
assert(!cm.value_comp()(*p2.first, *p1.first));
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/contains.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/contains.pass.cpp
index 7191d4c5e835d..2ecf221bd518f 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/contains.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/contains.pass.cpp
@@ -13,7 +13,7 @@
// <map>
-// bool contains(const key_type& x) const;
+// bool contains(const key_type& x) const; // constexpr since C++26
template <typename T, typename P, typename B, typename... Pairs>
void test(B bad, Pairs... args) {
@@ -34,7 +34,7 @@ struct E {
char c = 1;
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
test<std::map<char, int>, std::pair<char, int> >(
'e', std::make_pair('a', 10), std::make_pair('b', 11), std::make_pair('c', 12), std::make_pair('d', 13));
@@ -55,6 +55,13 @@ int main(int, char**) {
test<std::multimap<int, E>, std::pair<int, E> >(
-1, std::make_pair(1, E{}), std::make_pair(2, E{}), std::make_pair(3, E{}), std::make_pair(4, E{}));
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/contains_transparent.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/contains_transparent.pass.cpp
index f80f1a2714bfd..b6853243a1260 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/contains_transparent.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/contains_transparent.pass.cpp
@@ -13,7 +13,7 @@
// <map>
-// template<class K> bool contains(const K& x) const; // C++20
+// template<class K> bool contains(const K& x) const; // C++20 // constexpr since C++26
struct Comp {
using is_transparent = void;
@@ -33,9 +33,16 @@ void test() {
assert(!s.contains(-1));
}
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
test<std::map<std::pair<int, int>, int, Comp> >();
test<std::multimap<std::pair<int, int>, int, Comp> >();
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/count0.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/count0.pass.cpp
index c7ba765178969..848c63df314fd 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/count0.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/count0.pass.cpp
@@ -12,7 +12,7 @@
// class map
-// size_type count(const key_type& k) const;
+// size_type count(const key_type& k) const; // constexpr since C++26
//
// The member function templates find, count, lower_bound, upper_bound, and
// equal_range shall not participate in overload resolution unless the
@@ -24,7 +24,7 @@
#include "test_macros.h"
#include "is_transparent.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double, transparent_less> M;
assert(M().count(C2Int{5}) == 0);
@@ -33,6 +33,13 @@ int main(int, char**) {
typedef std::map<int, double, transparent_less_not_referenceable> M;
assert(M().count(C2Int{5}) == 0);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/count_transparent.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/count_transparent.pass.cpp
index fc097c1dc672c..de2e7a0fac089 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/count_transparent.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/count_transparent.pass.cpp
@@ -13,7 +13,7 @@
// class map
// template<typename K>
-// size_type count(const K& x) const; // C++14
+// size_type count(const K& x) const; // C++14 // constexpr since C++26
#include <cassert>
#include <map>
@@ -29,11 +29,18 @@ struct Comp {
bool operator()(int lhs, const std::pair<int, int>& rhs) const { return lhs < rhs.first; }
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
std::map<std::pair<int, int>, int, Comp> s{{{2, 1}, 1}, {{1, 2}, 2}, {{1, 3}, 3}, {{1, 4}, 4}, {{2, 2}, 5}};
auto cnt = s.count(1);
assert(cnt == 3);
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/equal_range.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/equal_range.pass.cpp
index 883cd379802e6..de4f3b63a85d0 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/equal_range.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/equal_range.pass.cpp
@@ -10,8 +10,8 @@
// class map
-// pair<iterator,iterator> equal_range(const key_type& k);
-// pair<const_iterator,const_iterator> equal_range(const key_type& k) const;
+// pair<iterator,iterator> equal_range(const key_type& k); // constexpr since C++26
+// pair<const_iterator,const_iterator> equal_range(const key_type& k) const; // constexpr since C++26
#include <map>
#include <cassert>
@@ -21,7 +21,7 @@
#include "private_constructor.h"
#include "is_transparent.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
typedef std::map<int, double> M;
@@ -436,6 +436,13 @@ int main(int, char**) {
assert(r.second == std::next(m.begin(), 8));
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/equal_range0.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/equal_range0.pass.cpp
index 75724bdb387ce..db0af6900a4fa 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/equal_range0.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/equal_range0.pass.cpp
@@ -12,8 +12,8 @@
// class map
-// pair<iterator,iterator> equal_range(const key_type& k);
-// pair<const_iterator,const_iterator> equal_range(const key_type& k) const;
+// pair<iterator,iterator> equal_range(const key_type& k); // constexpr since C++26
+// pair<const_iterator,const_iterator> equal_range(const key_type& k) const; // constexpr since C++26
//
// The member function templates find, count, lower_bound, upper_bound, and
// equal_range shall not participate in overload resolution unless the
@@ -25,7 +25,7 @@
#include "test_macros.h"
#include "is_transparent.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double, transparent_less> M;
typedef std::pair<typename M::iterator, typename M::iterator> P;
@@ -40,6 +40,13 @@ int main(int, char**) {
P result = example.equal_range(C2Int{5});
assert(result.first == result.second);
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/equal_range_transparent.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/equal_range_transparent.pass.cpp
index 2b651468887ea..4c00967624175 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/equal_range_transparent.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/equal_range_transparent.pass.cpp
@@ -13,10 +13,10 @@
// class map
// template<typename K>
-// pair<iterator,iterator> equal_range(const K& x); // C++14
+// pair<iterator,iterator> equal_range(const K& x); // C++14 // constexpr since C++26
// template<typename K>
// pair<const_iterator,const_iterator> equal_range(const K& x) const;
-// // C++14
+// // C++14 // constexpr since C++26
#include <cassert>
#include <map>
@@ -32,7 +32,7 @@ struct Comp {
bool operator()(int lhs, const std::pair<int, int>& rhs) const { return lhs < rhs.first; }
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
std::map<std::pair<int, int>, int, Comp> s{{{2, 1}, 1}, {{1, 2}, 2}, {{1, 3}, 3}, {{1, 4}, 4}, {{2, 2}, 5}};
auto er = s.equal_range(1);
@@ -44,6 +44,13 @@ int main(int, char**) {
}
assert(nels == 3);
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/find.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/find.pass.cpp
index 534d78128407d..2c7f83814d4b2 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/find.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/find.pass.cpp
@@ -10,8 +10,8 @@
// class map
-// iterator find(const key_type& k);
-// const_iterator find(const key_type& k) const;
+// iterator find(const key_type& k); // constexpr since C++26
+// const_iterator find(const key_type& k) const; // constexpr since C++26
#include <map>
#include <cassert>
@@ -21,7 +21,7 @@
#include "private_constructor.h"
#include "is_transparent.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
typedef std::map<int, double> M;
@@ -206,6 +206,13 @@ int main(int, char**) {
assert(r == std::next(m.begin(), 8));
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/find0.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/find0.pass.cpp
index 9825d6c5879b1..08bbc903ff7aa 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/find0.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/find0.pass.cpp
@@ -12,8 +12,8 @@
// class map
-// iterator find(const key_type& k);
-// const_iterator find(const key_type& k) const;
+// iterator find(const key_type& k); // constexpr since C++26
+// const_iterator find(const key_type& k) const; // constexpr since C++26
//
// The member function templates find, count, lower_bound, upper_bound, and
// equal_range shall not participate in overload resolution unless the
@@ -25,7 +25,7 @@
#include "test_macros.h"
#include "is_transparent.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double, transparent_less> M;
M example;
@@ -36,6 +36,13 @@ int main(int, char**) {
M example;
assert(example.find(C2Int{5}) == example.end());
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/lower_bound.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/lower_bound.pass.cpp
index 755ad36a3ba4d..00a6c17d59849 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/lower_bound.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/lower_bound.pass.cpp
@@ -10,8 +10,8 @@
// class map
-// iterator lower_bound(const key_type& k);
-// const_iterator lower_bound(const key_type& k) const;
+// iterator lower_bound(const key_type& k); // constexpr since C++26
+// const_iterator lower_bound(const key_type& k) const; // constexpr since C++26
#include <map>
#include <cassert>
@@ -21,7 +21,7 @@
#include "private_constructor.h"
#include "is_transparent.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
typedef std::map<int, double> M;
@@ -318,6 +318,13 @@ int main(int, char**) {
assert(r == std::next(m.begin(), 8));
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/lower_bound0.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/lower_bound0.pass.cpp
index fe7fe381a86eb..98d3cafbb8761 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/lower_bound0.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/lower_bound0.pass.cpp
@@ -12,8 +12,8 @@
// class map
-// iterator lower_bound(const key_type& k);
-// const_iterator lower_bound(const key_type& k) const;
+// iterator lower_bound(const key_type& k); // constexpr since C++26
+// const_iterator lower_bound(const key_type& k) const; // constexpr since C++26
//
// The member function templates find, count, lower_bound, upper_bound, and
// equal_range shall not participate in overload resolution unless the
@@ -25,7 +25,7 @@
#include "test_macros.h"
#include "is_transparent.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double, transparent_less> M;
M example;
@@ -36,6 +36,13 @@ int main(int, char**) {
M example;
assert(example.lower_bound(C2Int{5}) == example.end());
}
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/upper_bound.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/upper_bound.pass.cpp
index bd967e3dfb742..12821ce585c07 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/upper_bound.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/upper_bound.pass.cpp
@@ -10,8 +10,8 @@
// class map
-// iterator upper_bound(const key_type& k);
-// const_iterator upper_bound(const key_type& k) const;
+// iterator upper_bound(const key_type& k); // constexpr since C++26
+// const_iterator upper_bound(const key_type& k) const; // constexpr since C++26
#include <map>
#include <cassert>
@@ -20,7 +20,7 @@
#include "min_allocator.h"
#include "private_constructor.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::pair<const int, double> V;
typedef std::map<int, double> M;
@@ -281,6 +281,13 @@ int main(int, char**) {
assert(r == std::next(m.begin(), 8));
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.ops/upper_bound0.pass.cpp b/libcxx/test/std/containers/associative/map/map.ops/upper_bound0.pass.cpp
index 525aa673ea74b..b2ec52b7bbbc6 100644
--- a/libcxx/test/std/containers/associative/map/map.ops/upper_bound0.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.ops/upper_bound0.pass.cpp
@@ -12,8 +12,8 @@
// class map
-// iterator upper_bound(const key_type& k);
-// const_iterator upper_bound(const key_type& k) const;
+// iterator upper_bound(const key_type& k); // constexpr since C++26
+// const_iterator upper_bound(const key_type& k) const; // constexpr since C++26
//
// The member function templates find, count, lower_bound, upper_bound, and
// equal_range shall not participate in overload resolution unless the
@@ -25,7 +25,7 @@
#include "test_macros.h"
#include "is_transparent.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double, transparent_less> M;
M example;
@@ -36,6 +36,13 @@ int main(int, char**) {
M example;
assert(example.upper_bound(C2Int{5}) == example.end());
}
+return true;
+}
+int main(int, char**) {
+ assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.special/member_swap.pass.cpp b/libcxx/test/std/containers/associative/map/map.special/member_swap.pass.cpp
index ffb74f62b8877..98764e3997d2d 100644
--- a/libcxx/test/std/containers/associative/map/map.special/member_swap.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.special/member_swap.pass.cpp
@@ -10,7 +10,7 @@
// class map
-// void swap(map& m);
+// void swap(map& m); // constexpr since C++26
#include <map>
#include <cassert>
@@ -18,7 +18,7 @@
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::pair<const int, double> V;
{
typedef std::map<int, double> M;
@@ -108,6 +108,13 @@ int main(int, char**) {
}
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.special/non_member_swap.pass.cpp b/libcxx/test/std/containers/associative/map/map.special/non_member_swap.pass.cpp
index ba390acd128f5..cd732a1cc2747 100644
--- a/libcxx/test/std/containers/associative/map/map.special/non_member_swap.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.special/non_member_swap.pass.cpp
@@ -12,7 +12,7 @@
// template <class Key, class T, class Compare, class Allocator>
// void
-// swap(map<Key, T, Compare, Allocator>& x, map<Key, T, Compare, Allocator>& y);
+// swap(map<Key, T, Compare, Allocator>& x, map<Key, T, Compare, Allocator>& y); // constexpr since C++26
#include <map>
#include <cassert>
@@ -21,7 +21,7 @@
#include "../../../test_compare.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::pair<const int, double> V;
{
typedef std::map<int, double> M;
@@ -165,6 +165,13 @@ int main(int, char**) {
assert(m2.get_allocator() == A());
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.special/swap_noexcept.pass.cpp b/libcxx/test/std/containers/associative/map/map.special/swap_noexcept.pass.cpp
index 118158fd45ec3..95de1e88b1982 100644
--- a/libcxx/test/std/containers/associative/map/map.special/swap_noexcept.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.special/swap_noexcept.pass.cpp
@@ -12,11 +12,11 @@
// void swap(map& c)
// noexcept(!allocator_type::propagate_on_container_swap::value ||
-// __is_nothrow_swappable<allocator_type>::value);
+// __is_nothrow_swappable<allocator_type>::value); // constexpr since C++26
//
// In C++17, the standard says that swap shall have:
// noexcept(allocator_traits<Allocator>::is_always_equal::value &&
-// noexcept(swap(declval<Compare&>(), declval<Compare&>())));
+// noexcept(swap(declval<Compare&>(), declval<Compare&>()))); // constexpr since C++26
// This tests a conforming extension
@@ -86,7 +86,7 @@ struct some_alloc3 {
typedef std::false_type is_always_equal;
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::pair<const MoveOnly, MoveOnly> V;
{
typedef std::map<MoveOnly, MoveOnly> C;
@@ -131,6 +131,13 @@ int main(int, char**) {
}
# endif // _LIBCPP_VERSION
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.value_compare/invoke.pass.cpp b/libcxx/test/std/containers/associative/map/map.value_compare/invoke.pass.cpp
index 70fa972812cec..784dd8f5f1d6a 100644
--- a/libcxx/test/std/containers/associative/map/map.value_compare/invoke.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.value_compare/invoke.pass.cpp
@@ -10,7 +10,7 @@
// class value_compare
-// bool operator()( const value_type& lhs, const value_type& rhs ) const;
+// bool operator()( const value_type& lhs, const value_type& rhs ) const; // constexpr since C++26
#include <map>
#include <cassert>
@@ -27,7 +27,7 @@ struct CallCompMember : Map::value_compare {
}
};
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::map<int, std::string> map_type;
map_type m;
@@ -42,6 +42,13 @@ int main(int, char**) {
assert(!vc(*p2.first, *p1.first));
assert(!call_comp(*p2.first, *p1.first));
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/map.value_compare/types.pass.cpp b/libcxx/test/std/containers/associative/map/map.value_compare/types.pass.cpp
index 89881baf88dca..cf54270883335 100644
--- a/libcxx/test/std/containers/associative/map/map.value_compare/types.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/map.value_compare/types.pass.cpp
@@ -8,7 +8,7 @@
// <map>
-// class value_compare
+// class value_compare // constexpr since C++26
// REQUIRES: c++03 || c++11 || c++14
@@ -17,7 +17,7 @@
#include "test_macros.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
typedef std::map<int, std::string> map_type;
typedef map_type::value_compare value_compare;
typedef map_type::value_type value_type;
@@ -25,6 +25,13 @@ int main(int, char**) {
ASSERT_SAME_TYPE(value_compare::result_type, bool);
ASSERT_SAME_TYPE(value_compare::first_argument_type, value_type);
ASSERT_SAME_TYPE(value_compare::second_argument_type, value_type);
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
diff --git a/libcxx/test/std/containers/associative/map/types.pass.cpp b/libcxx/test/std/containers/associative/map/types.pass.cpp
index 7832ff3efd3a4..c73080328192a 100644
--- a/libcxx/test/std/containers/associative/map/types.pass.cpp
+++ b/libcxx/test/std/containers/associative/map/types.pass.cpp
@@ -27,14 +27,14 @@
// typedef typename allocator_type::difference_type difference_type;
// ...
// };
-
+ // constexpr since C++26
#include <map>
#include <type_traits>
#include "test_macros.h"
#include "min_allocator.h"
-int main(int, char**) {
+TEST_CONSTEXPR_CXX26 bool test() {
{
typedef std::map<int, double> C;
static_assert((std::is_same<C::key_type, int>::value), "");
@@ -66,6 +66,13 @@ int main(int, char**) {
static_assert((std::is_same<C::difference_type, std::ptrdiff_t>::value), "");
}
#endif
+return true;
+}
+int main(int, char**) {
+assert(test());
+#if TEST_STD_VER >= 26
+ static_assert(test());
+#endif
return 0;
}
>From 21c442c324d7768350fc855dd4dd3d6c3a148ef8 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Tue, 8 Apr 2025 21:35:36 -0400
Subject: [PATCH 25/27] passing at: copy_assign.addressof.compile.pass.cpp
---
libcxx/include/__tree | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index 145f00070de89..9b6ee02a4dea1 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -1249,16 +1249,16 @@ public:
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __node_base_pointer&
__find_equal(const_iterator __hint, __parent_pointer& __parent, __node_base_pointer& __dummy, const _Key& __v);
- _LIBCPP_HIDE_FROM_ABI void __copy_assign_alloc(const __tree& __t) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __copy_assign_alloc(const __tree& __t) {
__copy_assign_alloc(__t, integral_constant<bool, __node_traits::propagate_on_container_copy_assignment::value>());
}
- _LIBCPP_HIDE_FROM_ABI void __copy_assign_alloc(const __tree& __t, true_type) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __copy_assign_alloc(const __tree& __t, true_type) {
if (__node_alloc() != __t.__node_alloc())
clear();
__node_alloc() = __t.__node_alloc();
}
- _LIBCPP_HIDE_FROM_ABI void __copy_assign_alloc(const __tree&, false_type) {}
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 void __copy_assign_alloc(const __tree&, false_type) {}
private:
_LIBCPP_HIDE_FROM_ABI __node_base_pointer& __find_leaf_low(__parent_pointer& __parent, const key_type& __v);
>From 1e86d9c95d2c908ffd9e5c4898105e5f64710039 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Tue, 8 Apr 2025 21:43:16 -0400
Subject: [PATCH 26/27] failing at copy_assign.pass.cpp only in constexpr
---
libcxx/include/__tree | 1 +
libcxx/include/map | 9 ++++++---
2 files changed, 7 insertions(+), 3 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index 9b6ee02a4dea1..4bfcd95eb8dcf 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -1428,6 +1428,7 @@ _LIBCPP_CONSTEXPR_SINCE_CXX26 void __tree<_Tp, _Compare, _Allocator>::__assign_m
if (size() != 0) {
_DetachedTreeCache __cache(this);
for (; __cache.__get() && __first != __last; ++__first) {
+ // static_assert(std::is_same_v<decltype(__cache.__get()->__value_), bool>, "fail");
__cache.__get()->__value_ = *__first;
__node_insert_multi(__cache.__get());
__cache.__advance();
diff --git a/libcxx/include/map b/libcxx/include/map
index e00479b735b13..1fb4777639288 100644
--- a/libcxx/include/map
+++ b/libcxx/include/map
@@ -807,17 +807,20 @@ public:
return __nc_ref_pair_type(const_cast<key_type&>(__v.first), __v.second);
}
- _LIBCPP_HIDE_FROM_ABI __nc_rref_pair_type __move() {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __nc_rref_pair_type __move() {
value_type& __v = __get_value();
return __nc_rref_pair_type(std::move(const_cast<key_type&>(__v.first)), std::move(__v.second));
}
- _LIBCPP_HIDE_FROM_ABI __value_type& operator=(const __value_type& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __value_type& operator=(const __value_type& __v) {
__ref() = __v.__get_value();
+
+ // note: modification of object of const-qualified type 'const int' is not allowed in a constant expression
+ // raised by: libcxx/test/std/containers/associative/map/map.cons/copy_assign.pass.cpp
return *this;
}
- _LIBCPP_HIDE_FROM_ABI __value_type& operator=(__value_type&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 __value_type& operator=(__value_type&& __v) {
__ref() = __v.__move();
return *this;
}
>From 85e1cfc4c7286aa23d3aaf06cd74462915e58a68 Mon Sep 17 00:00:00 2001
From: Vinay Deshmukh <32487576+vinay-deshmukh at users.noreply.github.com>
Date: Tue, 8 Apr 2025 21:47:06 -0400
Subject: [PATCH 27/27] pass deduct.pass.cpp
---
libcxx/include/__tree | 38 +++++++++++++++++++-------------------
1 file changed, 19 insertions(+), 19 deletions(-)
diff --git a/libcxx/include/__tree b/libcxx/include/__tree
index 4bfcd95eb8dcf..f8f5f660b007a 100644
--- a/libcxx/include/__tree
+++ b/libcxx/include/__tree
@@ -1044,61 +1044,61 @@ public:
template <class _First,
class _Second,
__enable_if_t<__can_extract_map_key<_First, key_type, __container_value_type>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __emplace_unique(_First&& __f, _Second&& __s) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __emplace_unique(_First&& __f, _Second&& __s) {
return __emplace_unique_key_args(__f, std::forward<_First>(__f), std::forward<_Second>(__s));
}
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __emplace_unique(_Args&&... __args) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __emplace_unique(_Args&&... __args) {
return __emplace_unique_impl(std::forward<_Args>(__args)...);
}
template <class _Pp>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __emplace_unique_extract_key(_Pp&& __x, __extract_key_fail_tag) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __emplace_unique_extract_key(_Pp&& __x, __extract_key_fail_tag) {
return __emplace_unique_impl(std::forward<_Pp>(__x));
}
template <class _Pp>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __emplace_unique_extract_key(_Pp&& __x, __extract_key_self_tag) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __emplace_unique_extract_key(_Pp&& __x, __extract_key_self_tag) {
return __emplace_unique_key_args(__x, std::forward<_Pp>(__x));
}
template <class _Pp>
- _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> __emplace_unique_extract_key(_Pp&& __x, __extract_key_first_tag) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool> __emplace_unique_extract_key(_Pp&& __x, __extract_key_first_tag) {
return __emplace_unique_key_args(__x.first, std::forward<_Pp>(__x));
}
template <class _Pp>
- _LIBCPP_HIDE_FROM_ABI iterator __emplace_hint_unique(const_iterator __p, _Pp&& __x) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __emplace_hint_unique(const_iterator __p, _Pp&& __x) {
return __emplace_hint_unique_extract_key(__p, std::forward<_Pp>(__x), __can_extract_key<_Pp, key_type>());
}
template <class _First,
class _Second,
__enable_if_t<__can_extract_map_key<_First, key_type, __container_value_type>::value, int> = 0>
- _LIBCPP_HIDE_FROM_ABI iterator __emplace_hint_unique(const_iterator __p, _First&& __f, _Second&& __s) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __emplace_hint_unique(const_iterator __p, _First&& __f, _Second&& __s) {
return __emplace_hint_unique_key_args(__p, __f, std::forward<_First>(__f), std::forward<_Second>(__s)).first;
}
template <class... _Args>
- _LIBCPP_HIDE_FROM_ABI iterator __emplace_hint_unique(const_iterator __p, _Args&&... __args) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __emplace_hint_unique(const_iterator __p, _Args&&... __args) {
return __emplace_hint_unique_impl(__p, std::forward<_Args>(__args)...);
}
template <class _Pp>
- _LIBCPP_HIDE_FROM_ABI iterator
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator
__emplace_hint_unique_extract_key(const_iterator __p, _Pp&& __x, __extract_key_fail_tag) {
return __emplace_hint_unique_impl(__p, std::forward<_Pp>(__x));
}
template <class _Pp>
- _LIBCPP_HIDE_FROM_ABI iterator
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator
__emplace_hint_unique_extract_key(const_iterator __p, _Pp&& __x, __extract_key_self_tag) {
return __emplace_hint_unique_key_args(__p, __x, std::forward<_Pp>(__x)).first;
}
template <class _Pp>
- _LIBCPP_HIDE_FROM_ABI iterator
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator
__emplace_hint_unique_extract_key(const_iterator __p, _Pp&& __x, __extract_key_first_tag) {
return __emplace_hint_unique_key_args(__p, __x.first, std::forward<_Pp>(__x)).first;
}
@@ -1129,29 +1129,29 @@ public:
return __emplace_hint_unique(__p, std::forward<_Vp>(__v));
}
- _LIBCPP_HIDE_FROM_ABI iterator __insert_multi(__container_value_type&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __insert_multi(__container_value_type&& __v) {
return __emplace_multi(std::move(__v));
}
- _LIBCPP_HIDE_FROM_ABI iterator __insert_multi(const_iterator __p, __container_value_type&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __insert_multi(const_iterator __p, __container_value_type&& __v) {
return __emplace_hint_multi(__p, std::move(__v));
}
template <class _Vp>
- _LIBCPP_HIDE_FROM_ABI iterator __insert_multi(_Vp&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __insert_multi(_Vp&& __v) {
return __emplace_multi(std::forward<_Vp>(__v));
}
template <class _Vp>
- _LIBCPP_HIDE_FROM_ABI iterator __insert_multi(const_iterator __p, _Vp&& __v) {
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __insert_multi(const_iterator __p, _Vp&& __v) {
return __emplace_hint_multi(__p, std::forward<_Vp>(__v));
}
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 pair<iterator, bool>
__node_assign_unique(const __container_value_type& __v, __node_pointer __dest);
- _LIBCPP_HIDE_FROM_ABI iterator __node_insert_multi(__node_pointer __nd);
- _LIBCPP_HIDE_FROM_ABI iterator __node_insert_multi(const_iterator __p, __node_pointer __nd);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __node_insert_multi(__node_pointer __nd);
+ _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __node_insert_multi(const_iterator __p, __node_pointer __nd);
_LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX26 iterator __remove_node_pointer(__node_pointer) _NOEXCEPT;
@@ -1962,7 +1962,7 @@ __tree<_Tp, _Compare, _Allocator>::__node_assign_unique(const __container_value_
}
template <class _Tp, class _Compare, class _Allocator>
-typename __tree<_Tp, _Compare, _Allocator>::iterator
+_LIBCPP_CONSTEXPR_SINCE_CXX26 typename __tree<_Tp, _Compare, _Allocator>::iterator
__tree<_Tp, _Compare, _Allocator>::__node_insert_multi(__node_pointer __nd) {
__parent_pointer __parent;
__node_base_pointer& __child = __find_leaf_high(__parent, _NodeTypes::__get_key(__nd->__value_));
@@ -1971,7 +1971,7 @@ __tree<_Tp, _Compare, _Allocator>::__node_insert_multi(__node_pointer __nd) {
}
template <class _Tp, class _Compare, class _Allocator>
-typename __tree<_Tp, _Compare, _Allocator>::iterator
+_LIBCPP_CONSTEXPR_SINCE_CXX26 typename __tree<_Tp, _Compare, _Allocator>::iterator
__tree<_Tp, _Compare, _Allocator>::__node_insert_multi(const_iterator __p, __node_pointer __nd) {
__parent_pointer __parent;
__node_base_pointer& __child = __find_leaf(__p, __parent, _NodeTypes::__get_key(__nd->__value_));
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