Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 22 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gnat.dg/aliasing1.adb b/gcc-4.9/gcc/testsuite/gnat.dg/aliasing1.adb
new file mode 100644
index 000000000..b2b7d123b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gnat.dg/aliasing1.adb
@@ -0,0 +1,22 @@
+-- { dg-do compile }
+-- { dg-options "-O2 -gnatp -fdump-tree-optimized" }
+
+-- The raise statement must be optimized away by
+-- virtue of DECL_NONADDRESSABLE_P set on R.I.
+
+package body Aliasing1 is
+
+  function F (P : Ptr) return Integer is
+  begin
+    R.I := 0;
+    P.all := 1;
+    if R.I /= 0 then
+      raise Program_Error;
+    end if;
+    return 0;
+  end;
+
+end Aliasing1;
+
+-- { dg-final { scan-tree-dump-not "__gnat_rcheck" "optimized" } }
+-- { dg-final { cleanup-tree-dump "optimized" } }