Revert

	2018-09-26  Alexey Neyman  <stilor@att.net>

	* graphite.h: Include <isl/id.h> and <isl/space.h>; these
	headers are no longer pulled in by <isl/val.h>.

From-SVN: r264644

gcc/ChangeLog

+2018-09-26  Jeff Law  <law@redhat.com>
+
+	Revert
+	2018-09-26  Alexey Neyman  <stilor@att.net>
+
+	* graphite.h: Include <isl/id.h> and <isl/space.h>; these
+	headers are no longer pulled in by <isl/val.h>.
+
 2018-09-26  Richard Biener  <rguenther@suse.de>
 
 	PR debug/87443

gcc/graphite.h

@@ -26,8 +26,6 @@ along with GCC; see the file COPYING3.  If not see
 #include <isl/options.h>
 #include <isl/ctx.h>
 #include <isl/val.h>
-#include <isl/id.h>
-#include <isl/space.h>
 #include <isl/set.h>
 #include <isl/union_set.h>
 #include <isl/map.h>