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, 79 insertions, 0 deletions

diff --git a/gcc/ada/s-pooglo.ads b/gcc/ada/s-pooglo.ads
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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                   S Y S T E M . P O O L _ G L O B A L                    --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 1992-2010, Free Software Foundation, Inc.         --
+--                                                                          --
+-- GNAT is free software;  you can  redistribute it  and/or modify it under --
+-- terms of the  GNU General Public License as published  by the Free Soft- --
+-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
+--                                                                          --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception,   --
+-- version 3.1, as published by the Free Software Foundation.               --
+--                                                                          --
+-- You should have received a copy of the GNU General Public License and    --
+-- a copy of the GCC Runtime Library Exception along with this program;     --
+-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
+-- <http://www.gnu.org/licenses/>.                                          --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  Storage pool corresponding to default global storage pool used for
+--  types for which no storage pool is specified.
+
+with System;
+with System.Storage_Pools;
+with System.Storage_Elements;
+
+package System.Pool_Global is
+   pragma Elaborate_Body;
+   --  Needed to ensure that library routines can execute allocators
+
+   --  Allocation strategy:
+
+   --    Call to malloc/free for each Allocate/Deallocate
+   --    no user specifiable size
+   --    no automatic reclaim
+   --    minimal overhead
+
+   --  Pool simulating the allocation/deallocation strategy used by the
+   --  compiler for access types globally declared.
+
+   type Unbounded_No_Reclaim_Pool is new
+     System.Storage_Pools.Root_Storage_Pool with null record;
+
+   function Storage_Size
+     (Pool : Unbounded_No_Reclaim_Pool)
+      return System.Storage_Elements.Storage_Count;
+
+   overriding procedure Allocate
+     (Pool         : in out Unbounded_No_Reclaim_Pool;
+      Address      : out System.Address;
+      Storage_Size : System.Storage_Elements.Storage_Count;
+      Alignment    : System.Storage_Elements.Storage_Count);
+
+   overriding procedure Deallocate
+     (Pool         : in out Unbounded_No_Reclaim_Pool;
+      Address      : System.Address;
+      Storage_Size : System.Storage_Elements.Storage_Count;
+      Alignment    : System.Storage_Elements.Storage_Count);
+
+   --  Pool object used by the compiler when implicit Storage Pool objects are
+   --  explicitly referred to. For instance when writing something like:
+   --     for T'Storage_Pool use Q'Storage_Pool;
+   --  and Q'Storage_Pool hasn't been defined explicitly.
+
+   Global_Pool_Object : Unbounded_No_Reclaim_Pool;
+
+end System.Pool_Global;