Session.load enhanced entity with eager collection loading mapping failded with PropertyAccessException

In case when entity has collection with eager loading mapping like

and entities are enhanced with configuration

there is error with loading entity by session.load( Parent2.class, parentID ):
...
Caused by: org.hibernate.PropertyAccessException: Exception occurred inside setter of org.hibernate.test.bytecode.enhancement.lazy.Parent2.children
at org.hibernate.property.access.spi.EnhancedSetterMethodImpl.set(EnhancedSetterMethodImpl.java:81)
...
Caused by: java.lang.reflect.InvocationTargetException
...
org.hibernate.property.access.spi.EnhancedSetterMethodImpl.set(EnhancedSetterMethodImpl.java:49)
...
Caused by: java.lang.NullPointerException
at org.hibernate.engine.internal.StatefulPersistenceContext.getLoadedCollectionOwnerOrNull(StatefulPersistenceContext.java:747)
...

In attachment is junit test case to reproduce it.