--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/java/StoreFieldNode.java	2017-02-15 17:07:43.601476395 -0800
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2009, 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.
+ */
+package org.graalvm.compiler.nodes.java;
+
+import org.graalvm.compiler.core.common.type.StampFactory;
+import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.nodeinfo.InputType;
+import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodes.FrameState;
+import org.graalvm.compiler.nodes.StateSplit;
+import org.graalvm.compiler.nodes.ValueNode;
+import org.graalvm.compiler.nodes.spi.Virtualizable;
+import org.graalvm.compiler.nodes.spi.VirtualizerTool;
+import org.graalvm.compiler.nodes.virtual.VirtualInstanceNode;
+import org.graalvm.compiler.nodes.virtual.VirtualObjectNode;
+
+import jdk.vm.ci.meta.ResolvedJavaField;
+
+/**
+ * The {@code StoreFieldNode} represents a write to a static or instance field.
+ */
+@NodeInfo(nameTemplate = "StoreField#{p#field/s}")
+public final class StoreFieldNode extends AccessFieldNode implements StateSplit, Virtualizable {
+    public static final NodeClass<StoreFieldNode> TYPE = NodeClass.create(StoreFieldNode.class);
+
+    @Input ValueNode value;
+    @OptionalInput(InputType.State) FrameState stateAfter;
+
+    @Override
+    public FrameState stateAfter() {
+        return stateAfter;
+    }
+
+    @Override
+    public void setStateAfter(FrameState x) {
+        assert x == null || x.isAlive() : "frame state must be in a graph";
+        updateUsages(stateAfter, x);
+        stateAfter = x;
+    }
+
+    @Override
+    public boolean hasSideEffect() {
+        return true;
+    }
+
+    public ValueNode value() {
+        return value;
+    }
+
+    public StoreFieldNode(ValueNode object, ResolvedJavaField field, ValueNode value) {
+        super(TYPE, StampFactory.forVoid(), object, field);
+        this.value = value;
+    }
+
+    public StoreFieldNode(ValueNode object, ResolvedJavaField field, ValueNode value, FrameState stateAfter) {
+        super(TYPE, StampFactory.forVoid(), object, field);
+        this.value = value;
+        this.stateAfter = stateAfter;
+    }
+
+    @Override
+    public void virtualize(VirtualizerTool tool) {
+        ValueNode alias = tool.getAlias(object());
+        if (alias instanceof VirtualObjectNode) {
+            VirtualInstanceNode virtual = (VirtualInstanceNode) alias;
+            int fieldIndex = virtual.fieldIndex(field());
+            if (fieldIndex != -1) {
+                tool.setVirtualEntry(virtual, fieldIndex, value(), false);
+                tool.delete();
+            }
+        }
+    }
+
+    public FrameState getState() {
+        return stateAfter;
+    }
+}