--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/g-wistsp.ads	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,44 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                G N A T . W I D E _ S T R I N G _ S P L I T               --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 2002-2017, 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.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  Useful wide_string-manipulation routines: given a set of separators, split
+--  a wide_string wherever the separators appear, and provide direct access
+--  to the resulting slices. See GNAT.Array_Split for full documentation.
+
+with Ada.Strings.Wide_Maps; use Ada.Strings;
+with GNAT.Array_Split;
+
+package GNAT.Wide_String_Split is new GNAT.Array_Split
+  (Element          => Wide_Character,
+   Element_Sequence => Wide_String,
+   Element_Set      => Wide_Maps.Wide_Character_Set,
+   To_Set           => Wide_Maps.To_Set,
+   Is_In            => Wide_Maps.Is_In);