complied with https://github.com/boostorg/core/commit/5f6fe65

include/boost/unordered/detail/fca.hpp

@@ -120,12 +120,12 @@ to normal separate chaining implementations.
 #include <boost/core/allocator_access.hpp>
 #include <boost/core/bit.hpp>
 #include <boost/core/empty_value.hpp>
+#include <boost/core/invoke_swap.hpp>
 #include <boost/core/no_exceptions_support.hpp>
 #include <boost/core/serialization.hpp>
 #include <boost/cstdint.hpp>
 #include <boost/move/core.hpp>
 #include <boost/move/utility_core.hpp>
-#include <boost/swap.hpp>
 #include <boost/type_traits/aligned_storage.hpp>
 #include <boost/type_traits/alignment_of.hpp>
 
@@ -651,7 +651,7 @@ namespace boost {
           bool b = boost::allocator_propagate_on_container_swap<
             allocator_type>::type::value;
           if (b) {
-            boost::swap(get_node_allocator(), other.get_node_allocator());
+            boost::core::invoke_swap(get_node_allocator(), other.get_node_allocator());
           }
         }
 

include/boost/unordered/detail/implementation.hpp

@@ -17,6 +17,7 @@
 #include <boost/assert.hpp>
 #include <boost/core/allocator_traits.hpp>
 #include <boost/core/bit.hpp>
+#include <boost/core/invoke_swap.hpp>
 #include <boost/core/no_exceptions_support.hpp>
 #include <boost/core/pointer_traits.hpp>
 #include <boost/core/serialization.hpp>
@@ -30,7 +31,6 @@
 #include <boost/preprocessor/repetition/repeat_from_to.hpp>
 #include <boost/preprocessor/seq/enum.hpp>
 #include <boost/preprocessor/seq/size.hpp>
-#include <boost/swap.hpp>
 #include <boost/throw_exception.hpp>
 #include <boost/tuple/tuple.hpp>
 #include <boost/type_traits/add_lvalue_reference.hpp>
@@ -260,8 +260,8 @@ namespace boost {
 
         void swap(compressed& x)
         {
-          boost::swap(first(), x.first());
-          boost::swap(second(), x.second());
+          boost::core::invoke_swap(first(), x.first());
+          boost::core::invoke_swap(second(), x.second());
         }
 
       private:
@@ -644,7 +644,7 @@ namespace boost {
               move(x);
             }
           } else if (has_value_) {
-            boost::swap(value_.value(), x.value_.value());
+            boost::core::invoke_swap(value_.value(), x.value_.value());
           }
         }
 
@@ -2089,7 +2089,7 @@ namespace boost {
           x.switch_functions();
 
           buckets_.swap(x.buckets_);
-          boost::swap(size_, x.size_);
+          boost::core::invoke_swap(size_, x.size_);
           std::swap(mlf_, x.mlf_);
           std::swap(max_load_, x.max_load_);
         }
@@ -2098,7 +2098,7 @@ namespace boost {
         void swap(table& x, true_type)
         {
           buckets_.swap(x.buckets_);
-          boost::swap(size_, x.size_);
+          boost::core::invoke_swap(size_, x.size_);
           std::swap(mlf_, x.mlf_);
           std::swap(max_load_, x.max_load_);
           this->current_functions().swap(x.current_functions());

include/boost/unordered/unordered_map.hpp

@@ -2980,9 +2980,9 @@ namespace boost {
         if (boost::allocator_propagate_on_container_swap<
               value_allocator>::type::value ||
             !alloc_.has_value() || !n.alloc_.has_value()) {
-          boost::swap(alloc_, n.alloc_);
+          boost::core::invoke_swap(alloc_, n.alloc_);
         }
-        boost::swap(ptr_, n.ptr_);
+        boost::core::invoke_swap(ptr_, n.ptr_);
       }
     };
 
@@ -3029,9 +3029,9 @@ namespace boost {
     void swap(insert_return_type_map<Iter, NodeType>& x,
       insert_return_type_map<Iter, NodeType>& y)
     {
-      boost::swap(x.node, y.node);
-      boost::swap(x.inserted, y.inserted);
-      boost::swap(x.position, y.position);
+      boost::core::invoke_swap(x.node, y.node);
+      boost::core::invoke_swap(x.inserted, y.inserted);
+      boost::core::invoke_swap(x.position, y.position);
     }
   } // namespace unordered
 

include/boost/unordered/unordered_set.hpp

@@ -2327,9 +2327,9 @@ namespace boost {
           alloc_ == n.alloc_);
         if (value_allocator_traits::propagate_on_container_swap::value ||
             !alloc_.has_value() || !n.alloc_.has_value()) {
-          boost::swap(alloc_, n.alloc_);
+          boost::core::invoke_swap(alloc_, n.alloc_);
         }
-        boost::swap(ptr_, n.ptr_);
+        boost::core::invoke_swap(ptr_, n.ptr_);
       }
     };
 
@@ -2376,9 +2376,9 @@ namespace boost {
     void swap(
       insert_return_type_set<Iter, NodeType>& x, insert_return_type_set<Iter, NodeType>& y)
     {
-      boost::swap(x.node, y.node);
-      boost::swap(x.inserted, y.inserted);
-      boost::swap(x.position, y.position);
+      boost::core::invoke_swap(x.node, y.node);
+      boost::core::invoke_swap(x.inserted, y.inserted);
+      boost::core::invoke_swap(x.position, y.position);
     }
   } // namespace unordered