I see that you created a new ticket for the discussion we started in HHH-11305 Closed . Here is a modified testcase from that issue that shows the same problem with @ManyToOne.

Also, can this be backported to 5.1 please? Latest stable Wildfly comes with 5.1 due to various migration complexities so I think it's important to have this fixed in 5.1 tree. Thanks.