Fix minor C++ issues reported by clang 13

src/language/utils/SymbolTable.hpp

@@ -98,6 +98,9 @@ class SymbolTable
       return os;
     }
 
+    Attributes& operator=(Attributes&&) = default;
+    Attributes& operator=(const Attributes&) = default;
+
     Attributes(const TAO_PEGTL_NAMESPACE::position& position, int32_t context_id)
       : m_position{position}, m_context_id{context_id}
     {}

src/mesh/DualConnectivityManager.hpp

@@ -46,7 +46,7 @@ class DualConnectivityManager
 
     DualConnectivityInfo()                            = default;
     DualConnectivityInfo(const DualConnectivityInfo&) = default;
-    DualConnectivityInfo(DualConnectivityInfo&&)      = delete;
+    DualConnectivityInfo(DualConnectivityInfo&&)      = default;
 
     DualConnectivityInfo(const std::shared_ptr<const IConnectivity>& dual_connectivity,
                          const std::shared_ptr<const IConnectivityToDualConnectivityDataMapper>&