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, 83 insertions, 0 deletions

diff --git a/gcc/ada/s-imgdec.ads b/gcc/ada/s-imgdec.ads
new file mode 100644
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+++ b/gcc/ada/s-imgdec.ads
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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--                       S Y S T E M . I M G _ D E C                        --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 1992-2009, 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.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  Image for decimal fixed types where the size of the corresponding integer
+--  type does not exceed Integer'Size (also used for Text_IO.Decimal_IO output)
+
+package System.Img_Dec is
+   pragma Pure;
+
+   procedure Image_Decimal
+     (V     : Integer;
+      S     : in out String;
+      P     : out Natural;
+      Scale : Integer);
+   --  Computes fixed_type'Image (V), where V is the integer value (in units of
+   --  delta) of a decimal type whose Scale is as given and stores the result
+   --  S (1 .. P), updating P to the value of L. The image is given by the
+   --  rules in RM 3.5(34) for fixed-point type image functions. The caller
+   --  guarantees that S is long enough to hold the result. S need not have a
+   --  lower bound of 1.
+
+   procedure Set_Image_Decimal
+     (V     : Integer;
+      S     : in out String;
+      P     : in out Natural;
+      Scale : Integer;
+      Fore  : Natural;
+      Aft   : Natural;
+      Exp   : Natural);
+   --  Sets the image of V, where V is the integer value (in units of delta)
+   --  of a decimal type with the given Scale, starting at S (P + 1), updating
+   --  P to point to the last character stored, the caller promises that the
+   --  buffer is large enough and no check is made for this. Constraint_Error
+   --  will not necessarily be raised if this requirement is violated, since
+   --  it is perfectly valid to compile this unit with checks off. The Fore,
+   --  Aft and Exp values can be set to any valid values for the case of use
+   --  by Text_IO.Decimal_IO. Note that there is no leading space stored.
+
+   procedure Set_Decimal_Digits
+     (Digs  : in out String;
+      NDigs : Natural;
+      S     : out String;
+      P     : in out Natural;
+      Scale : Integer;
+      Fore  : Natural;
+      Aft   : Natural;
+      Exp   : Natural);
+   --  This procedure has the same semantics as Set_Image_Decimal, except that
+   --  the value in Digs (1 .. NDigs) is given as a string of decimal digits
+   --  preceded by either a minus sign or a space (i.e. the integer image of
+   --  the value in units of delta). The call may destroy the value in Digs,
+   --  which is why Digs is in-out (this happens if rounding is required).
+   --  Set_Decimal_Digits is shared by all the decimal image routines.
+
+end System.Img_Dec;