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diff --git a/src/jdk/nashorn/internal/ir/ExpressionStatement.java b/src/jdk/nashorn/internal/ir/ExpressionStatement.java
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+++ b/src/jdk/nashorn/internal/ir/ExpressionStatement.java
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+/*
+ * Copyright (c) 2010, 2013, 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * 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 jdk.nashorn.internal.ir;
+
+import jdk.nashorn.internal.ir.annotations.Immutable;
+import jdk.nashorn.internal.ir.visitor.NodeVisitor;
+
+/**
+ * IR representation for executing bare expressions. Basically, an expression
+ * node means "this code will be executed" and evaluating it results in
+ * statements being added to the IR
+ */
+@Immutable
+public final class ExpressionStatement extends Statement {
+    /** Expression to execute. */
+    private final Expression expression;
+
+    /**
+     * Constructor
+     *
+     * @param lineNumber line number
+     * @param token      token
+     * @param finish     finish
+     * @param expression the expression to execute
+     */
+    public ExpressionStatement(final int lineNumber, final long token, final int finish, final Expression expression) {
+        super(lineNumber, token, finish);
+        this.expression = expression;
+    }
+
+    private ExpressionStatement(final ExpressionStatement expressionStatement, final Expression expression) {
+        super(expressionStatement);
+        this.expression = expression;
+    }
+
+    @Override
+    public boolean isTerminal() {
+        return expression.isTerminal();
+    }
+
+    @Override
+    public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
+        if (visitor.enterExpressionStatement(this)) {
+            return visitor.leaveExpressionStatement(setExpression((Expression)expression.accept(visitor)));
+        }
+
+        return this;
+    }
+
+    @Override
+    public void toString(final StringBuilder sb) {
+        expression.toString(sb);
+    }
+
+    /**
+     * Return the expression to be executed
+     * @return the expression
+     */
+    public Expression getExpression() {
+        return expression;
+    }
+
+    /**
+     * Reset the expression to be executed
+     * @param expression the expression
+     * @return new or same execute node
+     */
+    public ExpressionStatement setExpression(final Expression expression) {
+        if (this.expression == expression) {
+            return this;
+        }
+        return new ExpressionStatement(this, expression);
+    }
+}