obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
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1 files changed, 34 insertions, 0 deletions

diff --git a/gcc/testsuite/gnat.dg/unc_memfree.adb b/gcc/testsuite/gnat.dg/unc_memfree.adb
new file mode 100644
index 000000000..d6a07f07f
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/unc_memfree.adb
@@ -0,0 +1,34 @@
+--  { dg-do run }
+
+with Ada.Unchecked_Deallocation;
+with Unc_Memops;
+
+procedure Unc_Memfree is
+
+   type List is array (Natural range <>) of Integer;
+   for List'Alignment use Standard'Maximum_Alignment;
+
+   type Fat_List_Access is access all List;
+
+   type Thin_List_Access is access all List;
+   for Thin_List_Access'Size use Standard'Address_Size;
+
+   procedure Release_Fat is new Ada.Unchecked_Deallocation
+     (Object => List, Name => Fat_List_Access);
+
+   procedure Release_Thin is new Ada.Unchecked_Deallocation
+     (Object => List, Name => Thin_List_Access);
+
+   My_Fat_List : Fat_List_Access;
+   My_Thin_List : Thin_List_Access;
+begin
+   Unc_Memops.Expect_Symetry (True);
+
+   My_Fat_List := new List (1 .. 3);
+   Release_Fat (My_Fat_List);
+
+   My_Thin_List := new List (1 .. 3);
+   Release_Thin (My_Thin_List);
+
+   Unc_Memops.Expect_Symetry (False);
+end;