Fix some -Wmaybe-uninitialized warnings

include/boost/optional/detail/optional_aligned_storage.hpp

@@ -60,9 +60,9 @@ class aligned_storage
     T *      ptr_ref()       { return static_cast<T *>     (address()); }
 #endif
 
-    T const& ref() const { return *ptr_ref(); }
-    T &      ref()       { return *ptr_ref(); }
-  
+    T const& ref() const { return *boost::core::launder(ptr_ref()); }
+    T &      ref()       { return *boost::core::launder(ptr_ref()); }
+
 } ;
 
 } // namespace optional_detail