--- old/src/jdk.scripting.nashorn/share/classes/jdk/nashorn/internal/runtime/events/RecompilationEvent.java	2020-04-15 18:50:53.000000000 +0530
+++ /dev/null	2020-04-15 18:50:53.000000000 +0530
@@ -1,67 +0,0 @@
-/*
- * Copyright (c) 2010, 2014, 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.runtime.events;
-
-import java.util.logging.Level;
-import jdk.nashorn.internal.runtime.Context;
-import jdk.nashorn.internal.runtime.RecompilableScriptFunctionData;
-import jdk.nashorn.internal.runtime.RewriteException;
-
-/**
- * Subclass of runtime event for {@link RewriteException}. In order not
- * to leak memory, RewriteExceptions get their return value destroyed
- * and nulled out during recompilation. If we are running with event
- * logging enabled, we need to retain the returnValue, hence the extra
- * field
- */
-public final class RecompilationEvent extends RuntimeEvent<RewriteException> {
-
-    private final Object returnValue;
-
-    /**
-     * Constructor
-     *
-     * @param level            logging level
-     * @param rewriteException rewriteException wrapped by this RuntimEvent
-     * @param returnValue      rewriteException return value - as we don't want to make
-     *     {@code RewriteException.getReturnValueNonDestructive()} public, we pass it as
-     *     an extra parameter, rather than querying the getter from another package.
-     */
-    public RecompilationEvent(final Level level, final RewriteException rewriteException, final Object returnValue) {
-        super(level, rewriteException);
-        assert Context.getContext().getLogger(RecompilableScriptFunctionData.class).isEnabled() :
-            "Unit test/instrumentation purpose only: RecompilationEvent instances should not be created without '--log=recompile', or we will leak memory in the general case";
-        this.returnValue = returnValue;
-    }
-
-    /**
-     * Get the preserved return value for the RewriteException
-     * @return return value
-     */
-    public Object getReturnValue() {
-        return returnValue;
-    }
-}