gcc/testsuite/gnat.dg/frame_overflow.adb

   1 -- { dg-do compile }
   2
   3 procedure frame_overflow is
   4
   5    type Bitpos_Range_T is new Positive;
   6    type Bitmap_Array_T is array (Bitpos_Range_T) of Boolean;
   7
   8    type Bitmap_T is record
   9       Bits : Bitmap_Array_T := (others => False);
  10    end record;
  11
  12    function -- { dg-error "too large" "" }
  13      Set_In (Bitmap : Bitmap_T; Bitpos : Bitpos_Range_T)  return Bitmap_T
  14    is
  15       Result: Bitmap_T := Bitmap;
  16    begin
  17       Result.Bits (Bitpos) := True;
  18       return Result;
  19    end;
  20
  21    function -- { dg-error "too large" "" }
  22      Negate (Bitmap : Bitmap_T) return Bitmap_T is
  23       Result: Bitmap_T;
  24    begin
  25       for E in Bitpos_Range_T loop
  26         Result.Bits (E) := not Bitmap.Bits (E);
  27       end loop;
  28       return Result;
  29   end;
  30
  31 begin
  32    null;
  33 end;