--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/gimple-ssa-warn-restrict.h	Thu Oct 25 07:37:49 2018 +0900
@@ -0,0 +1,26 @@
+/* Warn on violations of the restrict qualifier.
+   Copyright (C) 2017-2018 Free Software Foundation, Inc.
+   Contributed by Martin Sebor <msebor@redhat.com>.
+
+   This file is part of GCC.
+
+   GCC is free software; you can redistribute it and/or modify it under
+   the terms of the GNU General Public License as published by the Free
+   Software Foundation; either version 3, or (at your option) any later
+   version.
+
+   GCC is distributed in the hope that it will be useful, but WITHOUT 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
+   along with GCC; see the file COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef GIMPLE_SSA_WARN_RESTRICT_H
+
+extern bool check_bounds_or_overlap (gimple *, tree, tree, tree, tree,
+				     bool = false);
+
+#endif /* GIMPLE_SSA_WARN_RESTRICT_H */