--- /dev/null	2016-10-25 08:46:44.038854975 +0200
+++ new/src/share/classes/sun/evtracing/processing/statistics/metadata/JavaObjectArrayStack.java	2016-10-25 10:41:00.465811484 +0200
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2014, 2015, Dynatrace and/or its affiliates. All rights reserved.
+ * 
+ * This file is part of the Lock Contention Tracing Subsystem for the HotSpot
+ * Virtual Machine, which is developed at Christian Doppler Laboratory on
+ * Monitoring and Evolution of Very-Large-Scale Software Systems. Please
+ * contact us at <http://mevss.jku.at/> if you need additional information
+ * or have any questions.
+ *
+ * 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, see <http://www.gnu.org/licenses/>.
+ *
+ */ 
+package sun.evtracing.processing.statistics.metadata;
+
+import java.util.Arrays;
+import sun.evtracing.parser.metadata.JavaClass;
+
+public class JavaObjectArrayStack extends JavaObjectStack {
+
+	private final JavaObject[] objects;
+
+	public JavaObjectArrayStack(JavaObject... objects) {
+		this.objects = objects;
+	}
+
+	public JavaObjectArrayStack(int size) {
+		this.objects = new JavaObject[size];
+	}
+
+	@Override
+	public JavaObject top() {
+		JavaObject top = objects[objects.length - 1];
+		assert top != null;
+		return top;
+	}
+
+	@Override
+	public JavaObject[] objects() {
+		assert Arrays.stream(objects).allMatch(o -> o != null);
+		return objects;
+	}
+
+	@Override
+	public void setObject(int number, JavaObject obj) {
+		assert number < objects.length;
+		assert objects[number] == null;
+		objects[number] = obj;
+	}
+
+	@Override
+	public JavaClassStack getClassStack() {
+		JavaClass[] classes = new JavaClass[objects.length];
+		for (int i = 0; i < objects.length; i++) {
+			classes[i] = objects[i].clazz();
+		}
+		return new JavaClassStack(classes);
+	}
+
+}