--- a/nashorn/src/jdk/nashorn/api/scripting/ScriptObjectMirror.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/api/scripting/ScriptObjectMirror.java	Tue Aug 27 18:57:50 2013 +0530
@@ -391,6 +391,15 @@
     }
 
     /**
+     * ECMA [[Class]] property
+     *
+     * @return ECMA [[Class]] property value of this object
+     */
+    public String getClassName() {
+        return sobj.getClassName();
+    }
+
+    /**
      * ECMA 8.12.1 [[GetOwnProperty]] (P)
      *
      * @param key property key

--- a/nashorn/src/jdk/nashorn/internal/objects/NativeArrayBuffer.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeArrayBuffer.java	Tue Aug 27 18:57:50 2013 +0530
@@ -73,6 +73,11 @@
         this(Arrays.copyOfRange(other.buffer, begin, end));
     }
 
+    @Override
+    public String getClassName() {
+        return "ArrayBuffer";
+    }
+
     @Getter(attributes = Attribute.NOT_ENUMERABLE | Attribute.NOT_WRITABLE | Attribute.NOT_CONFIGURABLE)
     public static Object byteLength(final Object self) {
         return ((NativeArrayBuffer)self).buffer.length;

--- a/nashorn/src/jdk/nashorn/internal/objects/NativeFloat32Array.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeFloat32Array.java	Tue Aug 27 18:57:50 2013 +0530
@@ -145,6 +145,11 @@
     }
 
     @Override
+    public String getClassName() {
+        return "Float32Array";
+    }
+
+    @Override
     protected Factory factory() {
         return FACTORY;
     }

--- a/nashorn/src/jdk/nashorn/internal/objects/NativeFloat64Array.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeFloat64Array.java	Tue Aug 27 18:57:50 2013 +0530
@@ -155,6 +155,11 @@
     }
 
     @Override
+    public String getClassName() {
+        return "Float64Array";
+    }
+
+    @Override
     protected Factory factory() {
         return FACTORY;
     }

--- a/nashorn/src/jdk/nashorn/internal/objects/NativeInt16Array.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeInt16Array.java	Tue Aug 27 18:57:50 2013 +0530
@@ -109,6 +109,11 @@
     }
 
     @Override
+    public String getClassName() {
+        return "Int16Array";
+    }
+
+    @Override
     protected Factory factory() {
         return FACTORY;
     }

--- a/nashorn/src/jdk/nashorn/internal/objects/NativeInt32Array.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeInt32Array.java	Tue Aug 27 18:57:50 2013 +0530
@@ -112,6 +112,11 @@
     }
 
     @Override
+    public String getClassName() {
+        return "Int32Array";
+    }
+
+    @Override
     protected Factory factory() {
         return FACTORY;
     }

--- a/nashorn/src/jdk/nashorn/internal/objects/NativeInt8Array.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeInt8Array.java	Tue Aug 27 18:57:50 2013 +0530
@@ -102,6 +102,11 @@
     }
 
     @Override
+    public String getClassName() {
+        return "Int8Array";
+    }
+
+    @Override
     protected Factory factory() {
         return FACTORY;
     }

--- a/nashorn/src/jdk/nashorn/internal/objects/NativeUint16Array.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeUint16Array.java	Tue Aug 27 18:57:50 2013 +0530
@@ -108,6 +108,11 @@
     }
 
     @Override
+    public String getClassName() {
+        return "Uint16Array";
+    }
+
+    @Override
     protected Factory factory() {
         return FACTORY;
     }

--- a/nashorn/src/jdk/nashorn/internal/objects/NativeUint32Array.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeUint32Array.java	Tue Aug 27 18:57:50 2013 +0530
@@ -127,6 +127,11 @@
     }
 
     @Override
+    public String getClassName() {
+        return "Uint32Array";
+    }
+
+    @Override
     protected Factory factory() {
         return FACTORY;
     }

--- a/nashorn/src/jdk/nashorn/internal/objects/NativeUint8Array.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeUint8Array.java	Tue Aug 27 18:57:50 2013 +0530
@@ -101,6 +101,11 @@
     }
 
     @Override
+    public String getClassName() {
+        return "Uint8Array";
+    }
+
+    @Override
     protected Factory factory() {
         return FACTORY;
     }

--- a/nashorn/src/jdk/nashorn/internal/objects/NativeUint8ClampedArray.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/objects/NativeUint8ClampedArray.java	Tue Aug 27 18:57:50 2013 +0530
@@ -118,6 +118,11 @@
     }
 
     @Override
+    public String getClassName() {
+        return "Uint8ClampedArray";
+    }
+
+    @Override
     protected Factory factory() {
         return FACTORY;
     }

--- a/nashorn/src/jdk/nashorn/internal/runtime/ScriptRuntime.java	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/src/jdk/nashorn/internal/runtime/ScriptRuntime.java	Tue Aug 27 18:57:50 2013 +0530
@@ -190,6 +190,8 @@
         case FUNCTION:
             if (self instanceof ScriptObject) {
                 className = ((ScriptObject)self).getClassName();
+            } else if (self instanceof ScriptObjectMirror) {
+                className = ((ScriptObjectMirror)self).getClassName();
             } else {
                 className = self.getClass().getName();
             }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8023784.js	Tue Aug 27 18:57:50 2013 +0530
@@ -0,0 +1,66 @@
+/*
+ * 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-8023784: Object.prototype.toString should contain the class name for all instances
+ *
+ * @test
+ * @run
+ */
+
+// two parts to this bug -- typed array don't have proper [[Class]] property
+
+print(Object.prototype.toString.call(new ArrayBuffer(1)));
+print(Object.prototype.toString.call(new Int8Array(1)));
+print(Object.prototype.toString.call(new Int16Array(1)));
+print(Object.prototype.toString.call(new Int32Array(1)));
+print(Object.prototype.toString.call(new Uint8Array(1)));
+print(Object.prototype.toString.call(new Uint8ClampedArray(1)));
+print(Object.prototype.toString.call(new Uint16Array(1)));
+print(Object.prototype.toString.call(new Uint32Array(1)));
+print(Object.prototype.toString.call(new Float32Array(1)));
+print(Object.prototype.toString.call(new Float64Array(1)));
+
+// second part is that Object.prototype.toString does not handle mirror
+// in the manner expected.
+
+var global = loadWithNewGlobal({
+    name: "test",
+    script: "this"
+});
+
+print(Object.prototype.toString.call(new global.Object()));
+print(Object.prototype.toString.call(new global.Array()));
+print(Object.prototype.toString.call(new global.RegExp()));
+print(Object.prototype.toString.call(new global.Error("error!")));
+print(Object.prototype.toString.call(global.Object));
+print(Object.prototype.toString.call(new global.ArrayBuffer(1)));
+print(Object.prototype.toString.call(new global.Int8Array(1)));
+print(Object.prototype.toString.call(new global.Int16Array(1)));
+print(Object.prototype.toString.call(new global.Int32Array(1)));
+print(Object.prototype.toString.call(new global.Uint8Array(1)));
+print(Object.prototype.toString.call(new global.Uint8ClampedArray(1)));
+print(Object.prototype.toString.call(new global.Uint16Array(1)));
+print(Object.prototype.toString.call(new global.Uint32Array(1)));
+print(Object.prototype.toString.call(new global.Float32Array(1)));
+print(Object.prototype.toString.call(new global.Float64Array(1)));

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8023784.js.EXPECTED	Tue Aug 27 18:57:50 2013 +0530
@@ -0,0 +1,25 @@
+[object ArrayBuffer]
+[object Int8Array]
+[object Int16Array]
+[object Int32Array]
+[object Uint8Array]
+[object Uint8ClampedArray]
+[object Uint16Array]
+[object Uint32Array]
+[object Float32Array]
+[object Float64Array]
+[object Object]
+[object Array]
+[object RegExp]
+[object Error]
+[object Function]
+[object ArrayBuffer]
+[object Int8Array]
+[object Int16Array]
+[object Int32Array]
+[object Uint8Array]
+[object Uint8ClampedArray]
+[object Uint16Array]
+[object Uint32Array]
+[object Float32Array]
+[object Float64Array]

--- a/nashorn/test/script/basic/NASHORN-377.js.EXPECTED	Tue Aug 27 13:17:00 2013 +0200
+++ b/nashorn/test/script/basic/NASHORN-377.js.EXPECTED	Tue Aug 27 18:57:50 2013 +0530
@@ -1,5 +1,5 @@
 8 8 true undefined
-[object Object] [object Object] [object Object]
+[object ArrayBuffer] [object ArrayBuffer] [object Int8Array]
 0 8 8 1
 0 8 8 1
 0 8 8 1