-- { dg-do run } procedure Component_Size is C_Unsigned_Long_Size : constant := 32; type T_Unsigned_Long is range 0 .. (2 ** 31) - 1; for T_Unsigned_Long'Size use C_Unsigned_Long_Size; C_Unsigned_Byte_Size : constant := 8; type T_Unsigned_Byte is range 0 .. (2 ** 8) - 1; for T_Unsigned_Byte'Size use C_Unsigned_Byte_Size; type T_Unsigned_Byte_Without_Size_Repr is range 0 .. (2 ** 8) - 1; C_Nb_Data : constant T_Unsigned_Long := 9; subtype T_Nb_Data is T_Unsigned_Long range 1 .. C_Nb_Data; type T_Wrong_Id is array (T_Nb_Data) of T_Unsigned_Byte; for T_Wrong_Id'Component_Size use C_Unsigned_Long_Size; type T_Correct_Id is array (T_Nb_Data) of T_Unsigned_Byte_Without_Size_Repr; for T_Correct_Id'Component_Size use C_Unsigned_Long_Size; C_Value : constant := 1; C_Wrong_Id : constant T_Wrong_Id := T_Wrong_Id'(others => C_Value); C_Correct_Id : constant T_Correct_Id := T_Correct_Id'(others => C_Value); begin if C_Correct_Id /= T_Correct_Id'(others => C_Value) then raise Program_Error; end if; if C_Wrong_Id /= T_Wrong_Id'(others => C_Value) then raise Program_Error; end if; end;