Fix Clang 13 -Wdeprecated-copy warnings

Clang 13 have new warning under the same group

include/boost/fusion/iterator/detail/segment_sequence.hpp

@@ -13,6 +13,11 @@
 #include <boost/fusion/support/tag_of.hpp>
 #include <boost/fusion/sequence/intrinsic_fwd.hpp>
 
+#ifdef _MSC_VER
+#  pragma warning(push)
+#  pragma warning(disable: 4512) // assignment operator could not be generated.
+#endif
+
 namespace boost { namespace fusion { namespace detail
 {
     struct segment_sequence_tag {};
@@ -36,6 +41,10 @@ namespace boost { namespace fusion { namespace detail
     };
 }
 
+#ifdef _MSC_VER
+#  pragma warning(pop)
+#endif
+
 namespace extension
 {
     template<typename Tag>

include/boost/fusion/iterator/iterator_adapter.hpp

@@ -19,6 +19,11 @@
 #include <boost/fusion/iterator/value_of.hpp>
 #include <boost/type_traits/remove_const.hpp>
 
+#ifdef _MSC_VER
+#  pragma warning(push)
+#  pragma warning(disable: 4512) // assignment operator could not be generated.
+#endif
+
 namespace boost { namespace fusion
 {
     template <typename Derived_, typename Iterator_,
@@ -135,6 +140,10 @@ namespace boost { namespace fusion
     };
 }}
 
+#ifdef _MSC_VER
+#  pragma warning(pop)
+#endif
+
 #ifdef BOOST_FUSION_WORKAROUND_FOR_LWG_2408
 namespace std
 {