1--  { dg-do compile }
2
3with Ada.Unchecked_Conversion;
4with System.Storage_Elements; use System.Storage_Elements;
5
6procedure Unchecked_Convert14 is
7
8    type R is record
9       I : Integer;
10       C : Character;
11    end record;
12
13    subtype Buffer is Storage_Array (1 .. 0);
14
15    function As_Buffer is new Ada.Unchecked_Conversion  --  { dg-warning "types for unchecked conversion have different sizes" }
16      (Source => R, Target => Buffer);
17
18    type Buffer_1 is array (Storage_Offset range 1 .. 1) of Storage_Element;
19
20    function As_Buffer_1 is new Ada.Unchecked_Conversion  --  { dg-warning "types for unchecked conversion have different sizes" }
21      (Source => R, Target => Buffer_1);
22
23    B : Buffer;
24    B_1 : Buffer_1;
25    My_R : R := (1, 'x');
26
27begin
28   B := As_Buffer (My_R);
29   B_1 := As_Buffer_1 (My_R);
30end Unchecked_Convert14;
31