diff --git a/src/boost/function/function_base.hpp b/src/boost/function/function_base.hpp
index c209a790..3e168015 100644
--- a/src/boost/function/function_base.hpp
+++ b/src/boost/function/function_base.hpp
@@ -41,7 +41,7 @@
 #   pragma warning( push )
 #   pragma warning( disable : 4793 ) // complaint about native code generation
 #   pragma warning( disable : 4127 ) // "conditional expression is constant"
-#endif       
+#endif
 
 // Define BOOST_FUNCTION_STD_NS to the namespace that contains type_info.
 #ifdef BOOST_NO_STD_TYPEINFO
@@ -120,8 +120,11 @@ namespace network_boost {
           bool is_volatile_qualified;
         } obj_ref;
 
-        // To relax aliasing constraints
-        mutable char data;
+        // To relax aliasing constraints (HACK - I'm making data at
+        // least as big as the things above to avoid a placement-new
+        // error we're getting with gcc6.  Not sure if that makes this
+        // comment now irrelevant)
+        mutable char data[sizeof(bound_memfunc_ptr_t)];
       };
 
       /**
@@ -188,11 +191,11 @@ namespace network_boost {
       struct reference_manager
       {
         static inline void
-        manage(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manage(const function_buffer& in_buffer, function_buffer& out_buffer,
                functor_manager_operation_type op)
         {
           switch (op) {
-          case clone_functor_tag: 
+          case clone_functor_tag:
             out_buffer.obj_ref = in_buffer.obj_ref;
             return;
 
@@ -207,13 +210,13 @@ namespace network_boost {
 
           case check_functor_type_tag:
             {
-              const detail::sp_typeinfo& check_type 
+              const detail::sp_typeinfo& check_type
                 = *out_buffer.type.type;
 
               // Check whether we have the same type. We can add
               // cv-qualifiers, but we can't take them away.
               if (BOOST_FUNCTION_COMPARE_TYPE_ID(check_type, BOOST_SP_TYPEID(F))
-                  && (!in_buffer.obj_ref.is_const_qualified 
+                  && (!in_buffer.obj_ref.is_const_qualified
                       || out_buffer.type.const_qualified)
                   && (!in_buffer.obj_ref.is_volatile_qualified
                       || out_buffer.type.volatile_qualified))
@@ -240,9 +243,9 @@ namespace network_boost {
       struct function_allows_small_object_optimization
       {
         BOOST_STATIC_CONSTANT
-          (bool, 
+          (bool,
            value = ((sizeof(F) <= sizeof(function_buffer) &&
-                     (alignment_of<function_buffer>::value 
+                     (alignment_of<function_buffer>::value
                       % alignment_of<F>::value == 0))));
       };
 
@@ -254,7 +257,7 @@ namespace network_boost {
           A(a)
         {
         }
-        
+
         functor_wrapper(const functor_wrapper& f) :
           F(static_cast<const F&>(f)),
           A(static_cast<const A&>(f))
@@ -273,7 +276,7 @@ namespace network_boost {
 
         // Function pointers
         static inline void
-        manage_ptr(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manage_ptr(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op)
         {
           if (op == clone_functor_tag)
@@ -299,11 +302,11 @@ namespace network_boost {
 
         // Function objects that fit in the small-object buffer.
         static inline void
-        manage_small(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manage_small(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op)
         {
           if (op == clone_functor_tag || op == move_functor_tag) {
-            const functor_type* in_functor = 
+            const functor_type* in_functor =
               reinterpret_cast<const functor_type*>(&in_buffer.data);
             new (reinterpret_cast<void*>(&out_buffer.data)) functor_type(*in_functor);
 
@@ -318,7 +321,7 @@ namespace network_boost {
              (void)f; // suppress warning about the value of f not being used (MSVC)
              f->~Functor();
           } else if (op == check_functor_type_tag) {
-            const detail::sp_typeinfo& check_type 
+            const detail::sp_typeinfo& check_type
               = *out_buffer.type.type;
             if (BOOST_FUNCTION_COMPARE_TYPE_ID(check_type, BOOST_SP_TYPEID(Functor)))
               out_buffer.obj_ptr = &in_buffer.data;
@@ -327,7 +330,7 @@ namespace network_boost {
           } else /* op == get_functor_type_tag */ {
             out_buffer.type.type = &BOOST_SP_TYPEID(Functor);
             out_buffer.type.const_qualified = false;
-            out_buffer.type.volatile_qualified = false;            
+            out_buffer.type.volatile_qualified = false;
           }
         }
       };
@@ -340,7 +343,7 @@ namespace network_boost {
 
         // Function pointers
         static inline void
-        manager(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manager(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op, function_ptr_tag)
         {
           functor_manager_common<Functor>::manage_ptr(in_buffer,out_buffer,op);
@@ -348,15 +351,15 @@ namespace network_boost {
 
         // Function objects that fit in the small-object buffer.
         static inline void
-        manager(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manager(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op, mpl::true_)
         {
           functor_manager_common<Functor>::manage_small(in_buffer,out_buffer,op);
         }
-        
+
         // Function objects that require heap allocation
         static inline void
-        manager(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manager(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op, mpl::false_)
         {
           if (op == clone_functor_tag) {
@@ -396,7 +399,7 @@ namespace network_boost {
         // object can use the small-object optimization buffer or
         // whether we need to allocate it on the heap.
         static inline void
-        manager(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manager(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op, function_obj_tag)
         {
           manager(in_buffer, out_buffer, op,
@@ -405,7 +408,7 @@ namespace network_boost {
 
         // For member pointers, we use the small-object optimization buffer.
         static inline void
-        manager(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manager(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op, member_ptr_tag)
         {
           manager(in_buffer, out_buffer, op, mpl::true_());
@@ -415,7 +418,7 @@ namespace network_boost {
         /* Dispatch to an appropriate manager based on whether we have a
            function pointer or a function object pointer. */
         static inline void
-        manage(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manage(const function_buffer& in_buffer, function_buffer& out_buffer,
                functor_manager_operation_type op)
         {
           typedef typename get_function_tag<functor_type>::type tag_type;
@@ -441,7 +444,7 @@ namespace network_boost {
 
         // Function pointers
         static inline void
-        manager(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manager(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op, function_ptr_tag)
         {
           functor_manager_common<Functor>::manage_ptr(in_buffer,out_buffer,op);
@@ -449,15 +452,15 @@ namespace network_boost {
 
         // Function objects that fit in the small-object buffer.
         static inline void
-        manager(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manager(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op, mpl::true_)
         {
           functor_manager_common<Functor>::manage_small(in_buffer,out_buffer,op);
         }
-        
+
         // Function objects that require heap allocation
         static inline void
-        manager(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manager(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op, mpl::false_)
         {
           typedef functor_wrapper<Functor,Allocator> functor_wrapper_type;
@@ -490,7 +493,7 @@ namespace network_boost {
             wrapper_allocator.deallocate(victim,1);
             out_buffer.obj_ptr = 0;
           } else if (op == check_functor_type_tag) {
-            const detail::sp_typeinfo& check_type 
+            const detail::sp_typeinfo& check_type
               = *out_buffer.type.type;
             if (BOOST_FUNCTION_COMPARE_TYPE_ID(check_type, BOOST_SP_TYPEID(Functor)))
               out_buffer.obj_ptr = in_buffer.obj_ptr;
@@ -507,7 +510,7 @@ namespace network_boost {
         // object can use the small-object optimization buffer or
         // whether we need to allocate it on the heap.
         static inline void
-        manager(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manager(const function_buffer& in_buffer, function_buffer& out_buffer,
                 functor_manager_operation_type op, function_obj_tag)
         {
           manager(in_buffer, out_buffer, op,
@@ -518,7 +521,7 @@ namespace network_boost {
         /* Dispatch to an appropriate manager based on whether we have a
            function pointer or a function object pointer. */
         static inline void
-        manage(const function_buffer& in_buffer, function_buffer& out_buffer, 
+        manage(const function_buffer& in_buffer, function_buffer& out_buffer,
                functor_manager_operation_type op)
         {
           typedef typename get_function_tag<functor_type>::type tag_type;
@@ -604,8 +607,8 @@ namespace network_boost {
        */
       struct vtable_base
       {
-        void (*manager)(const function_buffer& in_buffer, 
-                        function_buffer& out_buffer, 
+        void (*manager)(const function_buffer& in_buffer,
+                        function_buffer& out_buffer,
                         functor_manager_operation_type op);
       };
     } // end namespace function
@@ -645,7 +648,7 @@ class function_base
       type_result.type.type = &BOOST_SP_TYPEID(Functor);
       type_result.type.const_qualified = is_const<Functor>::value;
       type_result.type.volatile_qualified = is_volatile<Functor>::value;
-      get_vtable()->manager(functor, type_result, 
+      get_vtable()->manager(functor, type_result,
                       detail::function::check_functor_type_tag);
       return static_cast<Functor*>(type_result.obj_ptr);
     }
@@ -659,7 +662,7 @@ class function_base
       type_result.type.type = &BOOST_SP_TYPEID(Functor);
       type_result.type.const_qualified = true;
       type_result.type.volatile_qualified = is_volatile<Functor>::value;
-      get_vtable()->manager(functor, type_result, 
+      get_vtable()->manager(functor, type_result,
                       detail::function::check_functor_type_tag);
       // GCC 2.95.3 gets the CV qualifiers wrong here, so we
       // can't do the static_cast that we should do.
@@ -887,6 +890,6 @@ namespace detail {
 
 #if defined(BOOST_MSVC)
 #   pragma warning( pop )
-#endif       
+#endif
 
 #endif // BOOST_FUNCTION_BASE_HEADER