--- /dev/null	2018-04-03 12:55:20.301839954 +0200
+++ new/src/hotspot/share/gc/z/zList.inline.hpp	2018-06-01 22:30:39.316825075 +0200
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2015, 2017, 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.
+ */
+
+#ifndef SHARE_GC_Z_ZLIST_INLINE_HPP
+#define SHARE_GC_Z_ZLIST_INLINE_HPP
+
+#include "gc/z/zList.hpp"
+
+template <typename T, bool forward>
+ZListIteratorImpl<T, forward>::ZListIteratorImpl(ZList<T>* list) :
+    _list(list),
+    _next(forward ? list->first() : list->last()) {}
+
+template <typename T, bool forward>
+bool ZListIteratorImpl<T, forward>::next(T** elem) {
+  if (_next != NULL) {
+    *elem = _next;
+    _next = forward ? _list->next(_next) : _list->prev(_next);
+    return true;
+  }
+
+  // No more elements
+  return false;
+}
+
+#endif // SHARE_GC_Z_ZLIST_INLINE_HPP