--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/a-stwibo.adb	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,94 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--             A D A . S T R I N G S . W I D E _ B O U N D E D              --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--          Copyright (C) 1992-2017, 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.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+package body Ada.Strings.Wide_Bounded is
+
+   package body Generic_Bounded_Length is
+
+      ---------
+      -- "*" --
+      ---------
+
+      function "*"
+        (Left  : Natural;
+         Right : Wide_Character) return Bounded_Wide_String
+      is
+      begin
+         return Times (Left, Right, Max_Length);
+      end "*";
+
+      function "*"
+        (Left  : Natural;
+         Right : Wide_String) return Bounded_Wide_String
+      is
+      begin
+         return Times (Left, Right, Max_Length);
+      end "*";
+
+      ---------------
+      -- Replicate --
+      ---------------
+
+      function Replicate
+        (Count : Natural;
+         Item  : Wide_Character;
+         Drop  : Strings.Truncation := Strings.Error)
+         return Bounded_Wide_String
+      is
+      begin
+         return Super_Replicate (Count, Item, Drop, Max_Length);
+      end Replicate;
+
+      function Replicate
+        (Count : Natural;
+         Item  : Wide_String;
+         Drop  : Strings.Truncation := Strings.Error)
+         return Bounded_Wide_String
+      is
+      begin
+         return Super_Replicate (Count, Item, Drop, Max_Length);
+      end Replicate;
+
+      ----------------------------
+      -- To_Bounded_Wide_String --
+      ----------------------------
+
+      function To_Bounded_Wide_String
+        (Source : Wide_String;
+         Drop   : Strings.Truncation := Strings.Error)
+         return Bounded_Wide_String
+      is
+      begin
+         return To_Super_String (Source, Max_Length, Drop);
+      end To_Bounded_Wide_String;
+
+   end Generic_Bounded_Length;
+end Ada.Strings.Wide_Bounded;