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diff --git a/test/script/basic/JDK-8013874.js b/test/script/basic/JDK-8013874.js
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+/*
+ * 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.
+ *
+ * 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.
+ */
+
+/**
+ * JDK-8013874: Function argument's prototype seem cached and wrongly reused
+ *
+ * @test
+ * @run
+ */
+
+function deepEqual(actual, expected) {
+ print("deepEqual: " + (actual.prop === expected.prop) + ", prop: " + expected.prop);
+}
+
+var proto = {};
+var other = {
+ prop: 0
+};
+
+function NameBuilder(first, last) {
+ this.first = first;
+ this.last = last;
+ return this;
+}
+
+NameBuilder.prototype = proto;
+
+function NameBuilder2(first, last) {
+ this.first = first;
+ this.last = last;
+ return this;
+}
+
+NameBuilder2.prototype = proto;
+
+var nb1 = new NameBuilder('Ryan', 'Dahl');
+var nb2 = new NameBuilder2('Ryan', 'Dahl');
+
+print("In loader, nb1.prop === nb2.prop " + (nb1.prop === nb2.prop));
+deepEqual(nb1, nb2);
+
+NameBuilder2.prototype = other;
+nb2 = new NameBuilder2('Ryan', 'Dahl');
+
+print("In loader, nb1.prop === nb2.prop " + (nb1.prop === nb2.prop));
+deepEqual(nb1, nb2);