Index: hold_any.hpp
===================================================================
--- hold_any.hpp	(revision 83369)
+++ hold_any.hpp	(working copy)
@@ -299,6 +299,12 @@
             return *this;
         }
 
+        // copy assignment operator
+        basic_hold_any& operator=(basic_hold_any const& x)
+        {
+            return assign(x);
+        }
+
         // assignment operator
         template <typename T>
         basic_hold_any& operator=(T const& x)