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, 134 insertions, 0 deletions

diff --git a/gcc/ada/a-swuwti-shared.adb b/gcc/ada/a-swuwti-shared.adb
new file mode 100644
index 000000000..9cf7c0ad5
--- /dev/null
+++ b/gcc/ada/a-swuwti-shared.adb
@@ -0,0 +1,134 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--                  ADA.STRINGS.WIDE_UNBOUNDED.WIDE_TEXT_IO                 --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--          Copyright (C) 1997-2010, 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.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+with Ada.Wide_Text_IO; use Ada.Wide_Text_IO;
+
+package body Ada.Strings.Wide_Unbounded.Wide_Text_IO is
+
+   --------------
+   -- Get_Line --
+   --------------
+
+   function Get_Line return Unbounded_Wide_String is
+      Buffer : Wide_String (1 .. 1000);
+      Last   : Natural;
+      Result : Unbounded_Wide_String;
+
+   begin
+      Get_Line (Buffer, Last);
+      Set_Unbounded_Wide_String (Result, Buffer (1 .. Last));
+
+      while Last = Buffer'Last loop
+         Get_Line (Buffer, Last);
+         Append (Result, Buffer (1 .. Last));
+      end loop;
+
+      return Result;
+   end Get_Line;
+
+   function Get_Line
+     (File : Ada.Wide_Text_IO.File_Type) return Unbounded_Wide_String
+   is
+      Buffer : Wide_String (1 .. 1000);
+      Last   : Natural;
+      Result : Unbounded_Wide_String;
+
+   begin
+      Get_Line (File, Buffer, Last);
+      Set_Unbounded_Wide_String (Result, Buffer (1 .. Last));
+
+      while Last = Buffer'Last loop
+         Get_Line (File, Buffer, Last);
+         Append (Result, Buffer (1 .. Last));
+      end loop;
+
+      return Result;
+   end Get_Line;
+
+   procedure Get_Line (Item : out Unbounded_Wide_String) is
+   begin
+      Get_Line (Current_Input, Item);
+   end Get_Line;
+
+   procedure Get_Line
+     (File : Ada.Wide_Text_IO.File_Type;
+      Item : out Unbounded_Wide_String)
+   is
+      Buffer : Wide_String (1 .. 1000);
+      Last   : Natural;
+
+   begin
+      Get_Line (File, Buffer, Last);
+      Set_Unbounded_Wide_String (Item, Buffer (1 .. Last));
+
+      while Last = Buffer'Last loop
+         Get_Line (File, Buffer, Last);
+         Append (Item, Buffer (1 .. Last));
+      end loop;
+   end Get_Line;
+
+   ---------
+   -- Put --
+   ---------
+
+   procedure Put (U : Unbounded_Wide_String) is
+      UR : constant Shared_Wide_String_Access := U.Reference;
+
+   begin
+      Put (UR.Data (1 .. UR.Last));
+   end Put;
+
+   procedure Put (File : File_Type; U : Unbounded_Wide_String) is
+      UR : constant Shared_Wide_String_Access := U.Reference;
+
+   begin
+      Put (File, UR.Data (1 .. UR.Last));
+   end Put;
+
+   --------------
+   -- Put_Line --
+   --------------
+
+   procedure Put_Line (U : Unbounded_Wide_String) is
+      UR : constant Shared_Wide_String_Access := U.Reference;
+
+   begin
+      Put_Line (UR.Data (1 .. UR.Last));
+   end Put_Line;
+
+   procedure Put_Line (File : File_Type; U : Unbounded_Wide_String) is
+      UR : constant Shared_Wide_String_Access := U.Reference;
+
+   begin
+      Put_Line (File, UR.Data (1 .. UR.Last));
+   end Put_Line;
+
+end Ada.Strings.Wide_Unbounded.Wide_Text_IO;