Inconsitent results from sys.dm_exec_describe_first_result_set_for_object when objectID not valid by Dave_Ballantyne

sys.dm_exec_describe_first_result_set_for_object returns inconsistent results when the objectid is not valid.

Select * From sys.dm_exec_describe_first_result_set_for_object(object_id('NoObject'),1);

Returns a single row with a column stating and error message "The object id '0' passed to sys.dm_exec_describe_first_result_set_for_object was invalid."

However :

with cteProcs
as
(
Select object_id('uspGetBillOfMaterials') as ObjectId
union all
Select object_id('uspGetBillOfMaterialsNotFound')

)
select * from cteprocs
         cross apply sys.dm_exec_describe_first_result_set_for_object(objectid,1);


Returns the same data repeated ( though with nullified objectids) for both executions.