Symptoms
Assume that you have the Auto Create Statistics database option enabled in Microsoft SQL Server 2014. When you create a natively compiled stored procedure that triggers the automatic creation of missing statistics, a self-deadlock that significantly increases the compilation time occurs.
Resolution
The issue was first fixed in the following cumulative update of SQL Server.
Cumulative Update 3 for SQL Server 2014 /en-us/help/2984923
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.