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-rw-r--r--gcc/testsuite/gnat.dg/loop_address2.adb26
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gnat.dg/loop_address2.adb b/gcc/testsuite/gnat.dg/loop_address2.adb
new file mode 100644
index 000000000..aa955d771
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/loop_address2.adb
@@ -0,0 +1,26 @@
+-- { 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 ;