src/share/vm/oops/instanceKlass.hpp

@@ -1096,11 +1096,12 @@
            nonstatic_oop_map_size +
            (is_interface ? (int)sizeof(Klass*)/wordSize : 0) +
            (is_anonymous ? (int)sizeof(Klass*)/wordSize : 0) +
            (has_stored_fingerprint ? (int)sizeof(uint64_t*)/wordSize : 0) +
            (java_fields * (int)sizeof(Klass*)/wordSize) +
-           (is_value_type ? (int)sizeof(Klass*) : 0));
+           (is_value_type ? (int)sizeof(Klass*) : 0) +
+           (is_value_type ? (int)sizeof(intptr_t)*2 : 0));
   }
   int size() const                    { return size(vtable_length(),
                                                itable_length(),
                                                nonstatic_oop_map_size(),
                                                is_interface(),