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-- { dg-do compile } package Null_Aggr_Bug is type Rec1 is null record; type Rec2 is tagged null record; type Rec3 is new Rec2 with null record; X1 : Rec1 := (null record); Y1 : Rec1 := (others => <>); X2 : Rec2 := (null record); Y2 : Rec2 := (others => <>); X3 : Rec3 := (null record); Y3 : Rec3 := (others => <>); Z3 : Rec3 := (Rec2 with others => <>); end Null_Aggr_Bug;