gcc/testsuite/gnat.dg/shift1.adb

   1 -- { dg-do compile }
   2 -- { dg-options "-gnatws" }
   3
   4 procedure Shift1 is
   5
   6   type T_Integer_8 is range -2 ** 7 .. 2 ** 7 - 1
   7     with Size => 8;
   8
   9   pragma Provide_Shift_Operators (T_Integer_8);
  10
  11   X : T_Integer_8;
  12
  13 begin
  14   X := Shift_Right (X, 1);
  15 end;