--- /dev/null	2019-11-06 16:17:24.858704995 +0100
+++ new/src/hotspot/share/gc/shared/spaceDecorator.inline.hpp	2019-11-06 20:19:17.949199972 +0100
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2019, 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_SHARED_SPACEDECORATOR_INLINE_HPP
+#define SHARE_GC_SHARED_SPACEDECORATOR_INLINE_HPP
+
+#include "gc/parallel/mutableSpace.hpp"
+#include "gc/shared/space.hpp"
+#include "gc/shared/spaceDecorator.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+inline HeapWord* GenSpaceMangler::top() const { return _sp->top(); }
+inline HeapWord* GenSpaceMangler::end() const { return _sp->end(); }
+
+inline HeapWord* MutableSpaceMangler::top() const { return _sp->top(); }
+inline HeapWord* MutableSpaceMangler::end() const { return _sp->end(); }
+
+#endif // SHARE_GC_SHARED_SPACEDECORATOR_INLINE_HPP