concept_check.hpp in passenger-3.0.0.pre1

- old
+ new

@@ -142,10 +142,12 @@
     }
    private:
     void const_constraints(const TT& b) {
 #if !defined(_ITERATOR_) // back_insert_iterator broken for VC++ STL
       a = b;              // const required for argument to assignment
+#else
+      ignore_unused_variable_warning(b);
 #endif
     }
    private:
     TT a;
   };
@@ -167,10 +169,15 @@
       ignore_unused_variable_warning(ptr);
     }
     TT b;
   };
 
+#if (defined _MSC_VER)
+# pragma warning( push )
+# pragma warning( disable : 4510 ) // default constructor could not be generated
+# pragma warning( disable : 4610 ) // object 'class' can never be instantiated - user-defined constructor required
+#endif
   // The SGI STL version of Assignable requires copy constructor and operator=
   BOOST_concept(SGIAssignable,(TT))
   {
     BOOST_CONCEPT_USAGE(SGIAssignable) {
       TT b(a);
@@ -188,9 +195,12 @@
 #endif
       ignore_unused_variable_warning(c);
     }
     TT a;
   };
+#if (defined _MSC_VER)
+# pragma warning( pop )
+#endif
 
   BOOST_concept(Convertible,(X)(Y))
   {
     BOOST_CONCEPT_USAGE(Convertible) {
       Y y = x;