--- a/nashorn/src/jdk/nashorn/internal/objects/NativeRegExpExecResult.java	Mon Jul 01 12:38:01 2013 +0530
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeRegExpExecResult.java	Mon Jul 01 14:15:07 2013 +0530
@@ -61,6 +61,11 @@
         this.input = result.getInput();
     }
 
+    @Override
+    public String getClassName() {
+        return "Array";
+    }
+
     /**
      * Length getter
      * @param self self reference

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8019478.js	Mon Jul 01 14:15:07 2013 +0530
@@ -0,0 +1,33 @@
+/*
+ * 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-8019478: Object.prototype.toString.call(/a/.exec("a")) === "[object Array]" should be true
+ *
+ * @test
+ * @run
+ */
+
+if (Object.prototype.toString.call(/a/.exec("a")) !== "[object Array]") {
+    fail("Object.prototype.toString.call(/a/.exec('a')) !== '[object Array]'");
+}