2 procedure Check_Displace_Generation is
6 type Base_1 is interface;
7 function F_1 (X : Base_1) return Integer is abstract;
9 type Base_2 is interface;
10 function F_2 (X : Base_2) return Integer is abstract;
12 type Concrete is new Base_1 and Base_2 with null record;
13 function F_1 (X : Concrete) return Integer;
14 function F_2 (X : Concrete) return Integer;
20 function F_1 (X : Concrete) return Integer is
25 function F_2 (X : Concrete) return Integer is
34 function Make_Concrete return Concrete is
40 B_1 : Base_1'Class := Make_Concrete;
41 B_2 : Base_2'Class := Make_Concrete;
45 raise Program_Error with "bad B_1.F_1 call";
48 raise Program_Error with "bad B_2.F_2 call";
50 end Check_Displace_Generation;