--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/exp_intr.ads	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,50 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                             E X P _ I N T R                              --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 1992-2015, 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.  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 COPYING3.  If not, go to --
+-- http://www.gnu.org/licenses for a complete copy of the license.          --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  Processing for expanding intrinsic subprogram calls
+
+with Namet; use Namet;
+with Types; use Types;
+
+package Exp_Intr is
+
+   procedure Add_Source_Info
+     (Buf : in out Bounded_String;
+      Loc : Source_Ptr;
+      Nam : Name_Id);
+   --  Append a string to Buf depending on Nam, which is the name of one of the
+   --  intrinsics declared in GNAT.Source_Info; see g-souinf.ads for
+   --  documentation of these intrinsics. Loc is passed to provide location
+   --  information where it is needed.
+
+   procedure Expand_Intrinsic_Call (N : Node_Id; E : Entity_Id);
+   --  N is either a function call node, a procedure call statement node, or
+   --  an operator where the corresponding subprogram is intrinsic (i.e. was
+   --  the subject of an Import or Interface pragma specifying the subprogram
+   --  as intrinsic. The effect is to replace the call with appropriate
+   --  specialized nodes. The second argument is the entity for the
+   --  subprogram spec.
+
+end Exp_Intr;