--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/nashorn/src/jdk/nashorn/api/tree/test/JDK_8193296_Test.java	Thu Dec 14 13:42:59 2017 +0100
@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2017, 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.api.tree.test;
+
+import jdk.nashorn.api.tree.CompilationUnitTree;
+import jdk.nashorn.api.tree.ExpressionStatementTree;
+import jdk.nashorn.api.tree.FunctionCallTree;
+import jdk.nashorn.api.tree.Parser;
+import jdk.nashorn.api.tree.Tree;
+import jdk.nashorn.api.tree.UnaryTree;
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+/**
+ * @test
+ * @bug 8184723
+ * @summary Parser should not eagerly transform delete expressions
+ * @run testng jdk.nashorn.api.tree.test.JDK_8193296_Test
+ */
+public class JDK_8193296_Test {
+    @Test
+    public void test() {
+        Parser p = Parser.create();
+        CompilationUnitTree t = p.parse("test", "function x() { }; delete x();", System.out::println);
+        Assert.assertEquals(t.getSourceElements().size(), 2);
+        Tree delt = ((ExpressionStatementTree)t.getSourceElements().get(1)).getExpression();
+        Assert.assertTrue(delt instanceof UnaryTree, delt.getClass().getName());
+        UnaryTree del = (UnaryTree)delt;
+        Assert.assertEquals(del.getKind(), Tree.Kind.DELETE);
+        Assert.assertTrue(del.getExpression() instanceof FunctionCallTree, del.getExpression().getClass().getName());
+    }
+}