index_key.pass.cpp -> static_assert

error: static assertion failed due to requirement 'std::is_same<std::__tree_node<std::__value_type<CopyInsertable<1>, CopyInsertable<2>>, void *>, std::pair<const CopyInsertable<1>, CopyInsertable<2>>>::value': Only allowed to construct Up

Author: vinay-deshmukh

libcxx/include/__tree

@@ -707,7 +707,7 @@ private:
   _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_);
+    return std::__static_fancy_pointer_cast<__node_pointer>(__ptr_);
   }
   template <class, class, class>
   friend class __tree;
@@ -1716,7 +1716,7 @@ __tree<_Tp, _Compare, _Allocator>::__find_equal(__end_node_pointer& __parent, co
           __nd_ptr = std::addressof(__nd->__right_);
           __nd     = std::__static_fancy_pointer_cast<__node_pointer>(__nd->__right_);
         } else {
-          __parent = static_cast<__end_node_pointer>(__nd);
+          __parent = std::__static_fancy_pointer_cast<__end_node_pointer>(__nd);
           return __nd->__right_;
         }
       } else {
@@ -1800,7 +1800,7 @@ pair<typename __tree<_Tp, _Compare, _Allocator>::iterator, bool> _LIBCPP_CONSTEX
 __tree<_Tp, _Compare, _Allocator>::__emplace_unique_key_args(_Key const& __k, _Args&&... __args) {
   __end_node_pointer __parent;
   __node_base_pointer& __child = __find_equal(__parent, __k);
-  __node_pointer __r           = static_cast<__node_pointer>(__child);
+  __node_pointer __r           = std::__static_fancy_pointer_cast<__node_pointer>(__child);
   bool __inserted              = false;
   if (__child == nullptr) {
     __node_holder __h = __construct_node(std::forward<_Args>(__args)...);