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, 94 insertions, 0 deletions

diff --git a/gcc/ada/g-diopit.ads b/gcc/ada/g-diopit.ads
new file mode 100644
index 000000000..42afcd1ee
--- /dev/null
+++ b/gcc/ada/g-diopit.ads
@@ -0,0 +1,94 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--  G N A T . D I R E C T O R Y _ O P E R A T I O N S . I T E R A T I O N   --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--                     Copyright (C) 2001-2005, AdaCore                     --
+--                                                                          --
+-- 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 2,  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.  See the GNU General Public License --
+-- for  more details.  You should have  received  a copy of the GNU General --
+-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
+-- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
+-- Boston, MA 02110-1301, USA.                                              --
+--                                                                          --
+-- As a special exception,  if other files  instantiate  generics from this --
+-- unit, or you link  this unit with other files  to produce an executable, --
+-- this  unit  does not  by itself cause  the resulting  executable  to  be --
+-- covered  by the  GNU  General  Public  License.  This exception does not --
+-- however invalidate  any other reasons why  the executable file  might be --
+-- covered by the  GNU Public License.                                      --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  Iterators among files
+
+package GNAT.Directory_Operations.Iteration is
+
+   generic
+      with procedure Action
+        (Item  :        String;
+         Index :        Positive;
+         Quit  : in out Boolean);
+   procedure Find
+     (Root_Directory : Dir_Name_Str;
+      File_Pattern   : String);
+   --  Recursively searches the directory structure rooted at Root_Directory.
+   --  This provides functionality similar to the UNIX 'find' command.
+   --  Action will be called for every item matching the regular expression
+   --  File_Pattern (see GNAT.Regexp). Item is the full pathname to the file
+   --  starting with Root_Directory that has been matched. Index is set to one
+   --  for the first call and is incremented by one at each call. The iterator
+   --  will pass in the value False on each call to Action. The iterator will
+   --  terminate after passing the last matched path to Action or after
+   --  returning from a call to Action which sets Quit to True.
+   --  Raises GNAT.Regexp.Error_In_Regexp if File_Pattern is ill formed.
+
+   generic
+      with procedure Action
+        (Item  :        String;
+         Index :        Positive;
+         Quit  : in out Boolean);
+   procedure Wildcard_Iterator (Path : Path_Name);
+   --  Calls Action for each path matching Path. Path can include wildcards '*'
+   --  and '?' and [...]. The rules are:
+   --
+   --     *       can be replaced by any sequence of characters
+   --     ?       can be replaced by a single character
+   --     [a-z]   match one character in the range 'a' through 'z'
+   --     [abc]   match either character 'a', 'b' or 'c'
+   --
+   --  Item is the filename that has been matched. Index is set to one for the
+   --  first call and is incremented by one at each call. The iterator's
+   --  termination can be controlled by setting Quit to True. It is by default
+   --  set to False.
+   --
+   --  For example, if we have the following directory structure:
+   --     /boo/
+   --        foo.ads
+   --     /sed/
+   --        foo.ads
+   --        file/
+   --          foo.ads
+   --     /sid/
+   --        foo.ads
+   --        file/
+   --          foo.ads
+   --     /life/
+   --
+   --  A call with expression "/s*/file/*" will call Action for the following
+   --  items:
+   --     /sed/file/foo.ads
+   --     /sid/file/foo.ads
+
+end GNAT.Directory_Operations.Iteration;