hlo.ads, hlo.adb: Removed, no longer used.

2012-03-20  Arnaud Charlet  <charlet@adacore.com>

	* hlo.ads, hlo.adb: Removed, no longer used.
	* gcc-interface/Make-lang.in: Remove hlo.o. Update dependencies.
	* gcc-interface/Makefile.in: Remove EXTRA_LIBGNAT_SRCS (temporarly)
	and compute it from EXTRA_LIBGNAT_OBJS.
	Clean up comments, reorder LIBGNAT_SRCS and LIBGNAT_OBJS.

From-SVN: r185565

gcc/ada/ChangeLog

+2012-03-20  Arnaud Charlet  <charlet@adacore.com>
+
+	* hlo.ads, hlo.adb: Removed, no longer used.
+	* gcc-interface/Make-lang.in: Remove hlo.o. Update dependencies.
+	* gcc-interface/Makefile.in: Remove EXTRA_LIBGNAT_SRCS (temporarly)
+	and compute it from EXTRA_LIBGNAT_OBJS.
+	Clean up comments, reorder LIBGNAT_SRCS and LIBGNAT_OBJS.
+
 2012-03-20  Yannick Moy  <moy@adacore.com>
 
 	* gnat_rm.texi, sem_attr.ads: Update documentation.

gcc/ada/hlo.adb

-------------------------------------------------------------------------------
---                                                                          --
---                         GNAT COMPILER COMPONENTS                         --
---                                                                          --
---                                  H L O                                   --
---                                                                          --
---                                 B o d y                                  --
---                                                                          --
---          Copyright (C) 1998-2007, 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.      --
---                                                                          --
-------------------------------------------------------------------------------
-
-with Output; use Output;
-
-package body HLO is
-
-   -------------------------
-   -- High_Level_Optimize --
-   -------------------------
-
-   procedure High_Level_Optimize (N : Node_Id) is
-      pragma Warnings (Off, N);
-   begin
-      Write_Str ("High level optimizer activated");
-      Write_Eol;
-      Write_Str ("High level optimizer completed");
-      Write_Eol;
-   end High_Level_Optimize;
-
-end HLO;

gcc/ada/hlo.ads

-------------------------------------------------------------------------------
---                                                                          --
---                         GNAT COMPILER COMPONENTS                         --
---                                                                          --
---                                  H L O                                   --
---                                                                          --
---                                 S p e c                                  --
---                                                                          --
---          Copyright (C) 1998-2007, 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.      --
---                                                                          --
-------------------------------------------------------------------------------
-
-with Types; use Types;
-
-package HLO is
-
-   procedure High_Level_Optimize (N : Node_Id);
-   --  This procedure activates the high level optimizer. At the time it is
-   --  called, the tree for compilation unit N has been fully analyzed, but
-   --  not expanded, but the Analyzed flags have been reset. On return, the
-   --  tree may be modified (and will be reanalyzed and expanded as required).
-
-end HLO;