--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/a-ticoio.ads	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,84 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--               A D A . T E X T _ I O . C O M P L E X _ I O                --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 1992-2017, Free Software Foundation, Inc.         --
+--                                                                          --
+-- This specification is derived from the Ada Reference Manual for use with --
+-- GNAT. The copyright notice above, and the license provisions that follow --
+-- apply solely to the  contents of the part following the private keyword. --
+--                                                                          --
+-- 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.Numerics.Generic_Complex_Types;
+
+generic
+   with package Complex_Types is new Ada.Numerics.Generic_Complex_Types (<>);
+
+package Ada.Text_IO.Complex_IO is
+
+   Default_Fore : Field := 2;
+   Default_Aft  : Field := Complex_Types.Real'Digits - 1;
+   Default_Exp  : Field := 3;
+
+   procedure Get
+     (File  : File_Type;
+      Item  : out Complex_Types.Complex;
+      Width : Field := 0);
+
+   procedure Get
+     (Item  : out Complex_Types.Complex;
+      Width : Field := 0);
+
+   procedure Put
+     (File : File_Type;
+      Item : Complex_Types.Complex;
+      Fore : Field := Default_Fore;
+      Aft  : Field := Default_Aft;
+      Exp  : Field := Default_Exp);
+
+   procedure Put
+     (Item : Complex_Types.Complex;
+      Fore : Field := Default_Fore;
+      Aft  : Field := Default_Aft;
+      Exp  : Field := Default_Exp);
+
+   procedure Get
+     (From : String;
+      Item : out Complex_Types.Complex;
+      Last : out Positive);
+
+   procedure Put
+     (To   : out String;
+      Item : Complex_Types.Complex;
+      Aft  : Field := Default_Aft;
+      Exp  : Field := Default_Exp);
+
+private
+   pragma Inline (Get);
+   pragma Inline (Put);
+
+end Ada.Text_IO.Complex_IO;