--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/ir/BlockStatement.java	2020-04-15 18:47:33.000000000 +0530
+++ /dev/null	2020-04-15 18:47:33.000000000 +0530
@@ -1,135 +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 java.util.List;
-import jdk.nashorn.internal.ir.visitor.NodeVisitor;
-
-/**
- * Represents a block used as a statement.
- */
-public class BlockStatement extends Statement {
-    private static final long serialVersionUID = 1L;
-
-    /** Block to execute. */
-    private final Block block;
-
-    /**
-     * Constructor
-     *
-     * @param block the block to execute
-     */
-    public BlockStatement(final Block block) {
-        this(block.getFirstStatementLineNumber(), block);
-    }
-
-    /**
-     * Constructor
-     *
-     * @param lineNumber line number
-     * @param block the block to execute
-     */
-    public BlockStatement(final int lineNumber, final Block block) {
-        super(lineNumber, block.getToken(), block.getFinish());
-        this.block = block;
-    }
-
-    private BlockStatement(final BlockStatement blockStatement, final Block block) {
-        super(blockStatement);
-        this.block = block;
-    }
-
-    /**
-     * Use this method to create a block statement meant to replace a single statement.
-     * @param stmt the statement to replace
-     * @param newStmts the statements for the new block statement
-     * @return a block statement with the new statements. It will have the line number, token, and finish of the
-     * original statement.
-     */
-    public static BlockStatement createReplacement(final Statement stmt, final List<Statement> newStmts) {
-        return createReplacement(stmt, stmt.getFinish(), newStmts);
-    }
-
-    /**
-     * Use this method to create a block statement meant to replace a single statement.
-     * @param stmt the statement to replace
-     * @param finish the new finish for the block
-     * @param newStmts the statements for the new block statement
-     * @return a block statement with the new statements. It will have the line number, and token of the
-     * original statement.
-     */
-    public static BlockStatement createReplacement(final Statement stmt, final int finish, final List<Statement> newStmts) {
-        return new BlockStatement(stmt.getLineNumber(), new Block(stmt.getToken(), finish, newStmts));
-    }
-
-    @Override
-    public boolean isTerminal() {
-        return block.isTerminal();
-    }
-
-    /**
-     * Tells if this is a synthetic block statement or not.
-     *
-     * @return true if this is a synthetic statement
-     */
-    public boolean isSynthetic() {
-        return block.isSynthetic();
-    }
-
-    @Override
-    public Node accept(final NodeVisitor<? extends LexicalContext> visitor) {
-        if (visitor.enterBlockStatement(this)) {
-            return visitor.leaveBlockStatement(setBlock((Block)block.accept(visitor)));
-        }
-
-        return this;
-    }
-
-    @Override
-    public void toString(final StringBuilder sb, final boolean printType) {
-        block.toString(sb, printType);
-    }
-
-    /**
-     * Return the block to be executed
-     * @return the block
-     */
-    public Block getBlock() {
-        return block;
-    }
-
-    /**
-     * Reset the block to be executed
-     * @param block the block
-     * @return new or same execute node
-     */
-    public BlockStatement setBlock(final Block block) {
-        if (this.block == block) {
-            return this;
-        }
-        return new BlockStatement(this, block);
-    }
-}