--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/ExpressionStatement.java	2020-04-15 18:47:43.000000000 +0530
+++ /dev/null	2020-04-15 18:47:43.000000000 +0530
@@ -1,121 +0,0 @@
-/*
- * 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;
-import jdk.nashorn.internal.parser.TokenType;
-
-/**
- * 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 {
-    private static final long serialVersionUID = 1L;
-
-    /** Expression to execute. */
-    private final Expression expression;
-    private final TokenType destructuringDecl;
-
-    /**
-     * Constructor
-     *
-     * @param lineNumber line number
-     * @param token      token
-     * @param finish     finish
-     * @param expression the expression to execute
-     * @param destructuringDecl does this statement represent a destructuring declaration?
-     */
-    public ExpressionStatement(final int lineNumber, final long token, final int finish,
-            final Expression expression, final TokenType destructuringDecl) {
-        super(lineNumber, token, finish);
-        this.expression = expression;
-        this.destructuringDecl = destructuringDecl;
-    }
-
-    /**
-     * 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) {
-        this(lineNumber, token, finish, expression, null);
-    }
-
-    private ExpressionStatement(final ExpressionStatement expressionStatement, final Expression expression) {
-        super(expressionStatement);
-        this.expression = expression;
-        this.destructuringDecl = null;
-    }
-
-    @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, final boolean printTypes) {
-        expression.toString(sb, printTypes);
-    }
-
-    /**
-     * Return the expression to be executed
-     * @return the expression
-     */
-    public Expression getExpression() {
-        return expression;
-    }
-
-    /**
-     * Return declaration type if this expression statement is a destructuring declaration
-     *
-     * @return declaration type (LET, VAR, CONST) if destructuring declaration, null otherwise.
-     */
-    public TokenType destructuringDeclarationType() {
-        return destructuringDecl;
-    }
-
-    /**
-     * 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);
-    }
-}