* sem_attr.ads Add new table Universal_Type_Attribute.
* sem_util.adb (Yields_Universal_Type): Use a table lookup when
checking attributes.
2016-04-20 Ed Schonberg <schonberg@adacore.com>
* exp_aggr.adb (Init_Stored_Discriminants,
Init_Visible_Discriminants): New procedures, subsidiary of
Build_Record_Aggr_Code, to handle properly the construction
of aggregates for a derived type that constrains some parent
discriminants and renames others.