--- a/nashorn/src/jdk/nashorn/internal/ir/debug/JSONWriter.java	Tue Feb 19 09:47:02 2013 -0400
+++ b/nashorn/src/jdk/nashorn/internal/ir/debug/JSONWriter.java	Tue Feb 19 20:33:07 2013 +0530
@@ -323,16 +323,20 @@
     public Node enter(final ForNode forNode) {
         enterDefault(forNode);
 
-        if (forNode.isForIn() || forNode.isForEach()) {
+        if (forNode.isForIn() || (forNode.isForEach() && forNode.getInit() != null)) {
             type("ForInStatement");
             comma();
 
+            Node init = forNode.getInit();
+            assert init != null;
             property("left");
-            forNode.getInit().accept(this);
+            init.accept(this);
             comma();
 
+            Node modify = forNode.getModify();
+            assert modify != null;
             property("right");
-            forNode.getModify().accept(this);
+            modify.accept(this);
             comma();
 
             property("body");
@@ -618,6 +622,9 @@
             // setter
             final Node setter = propertyNode.getSetter();
             if (setter != null) {
+                if (getter != null) {
+                    comma();
+                }
                 objectStart();
                 location(propertyNode);
 
@@ -770,11 +777,11 @@
             final boolean prefix;
             final String operator;
             switch (tokenType) {
-                case DECPOSTFIX:
+                case INCPOSTFIX:
                     prefix = false;
                     operator = "++";
                     break;
-                case INCPOSTFIX:
+                case DECPOSTFIX:
                     prefix = false;
                     operator = "--";
                     break;
@@ -938,8 +945,12 @@
         int idx = 0;
         arrayStart(name);
         for (final Node node : nodes) {
-            if (! node.isDebug()) {
-                node.accept(this);
+            if (node == null || !node.isDebug()) {
+                if (node != null) {
+                    node.accept(this);
+                } else {
+                    nullValue();
+                }
                 if (idx != (size - 1)) {
                     comma();
                 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/nashorn/test/script/basic/JDK-8008448.js	Tue Feb 19 20:33:07 2013 +0530
@@ -0,0 +1,48 @@
+/*
+ * 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-8008448: Add coverage test for jdk.nashorn.internal.ir.debug.JSONWriter
+ * Ensure that all parseable files can be parsed using parser API.
+ *
+ * @test
+ * @option -scripting
+ * @run
+ */
+
+var File = Java.type("java.io.File");
+var FilenameFilter = Java.type("java.io.FilenameFilter");
+var Source = Java.type("jdk.nashorn.internal.runtime.Source")
+
+// Filter out non .js files
+var files = new File(__DIR__).listFiles(new FilenameFilter() {
+    accept: function(f, n) { return n.endsWith(".js") }
+});
+
+// load parser API
+load("nashorn:parser.js");
+
+// parse each file to make sure it does not result in exception
+for each (var f in files) {
+    parse(new Source(f.toString(), f).getString());
+}