--- /dev/null	2016-04-06 08:21:44.591466818 +0200
+++ new/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/ExpressionList.java	2016-04-26 11:37:35.051842282 +0200
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2015, 2016, 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 java.util.Collections;
+import java.util.List;
+
+import jdk.nashorn.internal.codegen.types.Type;
+import jdk.nashorn.internal.ir.visitor.NodeVisitor;
+
+/**
+ * IR for CoverParenthesizedExpressionAndArrowParameterList, used only during parsing.
+ */
+public final class ExpressionList extends Expression {
+    private static final long serialVersionUID = 1L;
+
+    private final List<Expression> expressions;
+
+    /**
+     * Constructor.
+     *
+     * @param token token
+     * @param finish finish
+     * @param expressions expression
+     */
+    public ExpressionList(final long token, final int finish, final List<Expression> expressions) {
+        super(token, finish);
+        this.expressions = expressions;
+    }
+
+    /**
+     * Get the list of expressions.
+     *
+     * @return the list of expressions
+     */
+    public List<Expression> getExpressions() {
+        return Collections.unmodifiableList(expressions);
+    }
+
+    @Override
+    public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    public Type getType() {
+        return null;
+    }
+
+    @Override
+    public void toString(StringBuilder sb, boolean printType) {
+        sb.append("(");
+        boolean first = true;
+        for (Expression expression : expressions) {
+            if (first) {
+                first = false;
+            } else {
+                sb.append(", ");
+            }
+            expression.toString(sb, printType);
+        }
+        sb.append(")");
+    }
+}