...the key is that you cannot rely on anything about it
Changes to the implementation of hashes in perl 5.18.0 will be one of the most
visible changes to the behavior of existing code.
-By default, two distinct hash variables with identical keys and values will now
+By default, two distinct hash variables with identical keys and values may now
provide their contents in a different order where it was previously identical.
When encountering these changes, the key to cleaning up from them is to accept