loop_address2.adb: New test.

	* gnat.dg/loop_address2.adb: New test.

From-SVN: r134258

gcc/testsuite/ChangeLog

+2008-04-14  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* gnat.dg/loop_address2.adb: New test.
+
 2008-04-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
 
 	PR fortran/35882

gcc/testsuite/gnat.dg/loop_address2.adb

+-- { dg-do compile }
+-- { dg-options "-O" }
+
+with System, Ada.Unchecked_Conversion;
+with System.Storage_Elements; use System.Storage_Elements;
+
+procedure Loop_Address2 is
+
+  type Ptr is access all Integer;
+
+  function To_Ptr is new Ada.Unchecked_Conversion (System.Address, Ptr);
+
+  function F (BM : System.Address; I : Integer) return System.Address is
+  begin
+    return BM + Storage_Offset (4*I);
+  end;
+
+  B : Integer;
+  P : Ptr;
+
+begin
+  for I in 0 .. 2 loop
+    P := To_Ptr (F (B'Address, I));
+    P.all := 0;
+  end loop;
+end ;