--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/gc/g1/g1SharedClosures.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "gc/g1/bufferingOopClosure.hpp"
+#include "gc/g1/g1CodeBlobClosure.hpp"
+#include "gc/g1/g1OopClosures.hpp"
+#include "memory/iterator.hpp"
+
+class G1CollectedHeap;
+class G1ParScanThreadState;
+
+// Simple holder object for a complete set of closures used by the G1 evacuation code.
+template <G1Mark Mark, bool use_ext = false>
+class G1SharedClosures VALUE_OBJ_CLASS_SPEC {
+public:
+  G1ParCopyClosure<G1BarrierNone,  Mark, use_ext> _oops;
+  G1ParCopyClosure<G1BarrierKlass, Mark, use_ext> _oop_in_klass;
+  G1KlassScanClosure                              _klass_in_cld_closure;
+  CLDToKlassAndOopClosure                         _clds;
+  G1CodeBlobClosure                               _codeblobs;
+  BufferingOopClosure                             _buffered_oops;
+
+  G1SharedClosures(G1CollectedHeap* g1h, G1ParScanThreadState* pss, bool process_only_dirty_klasses, bool must_claim_cld) :
+    _oops(g1h, pss),
+    _oop_in_klass(g1h, pss),
+    _klass_in_cld_closure(&_oop_in_klass, process_only_dirty_klasses),
+    _clds(&_klass_in_cld_closure, &_oops, must_claim_cld),
+    _codeblobs(&_oops),
+    _buffered_oops(&_oops) {}
+};