diff -r 000000000000 -r 9a66ca7c79fa src/share/classes/com/sun/tools/javac/jvm/UninitializedType.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/classes/com/sun/tools/javac/jvm/UninitializedType.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2003-2005 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.tools.javac.jvm;
+
+import com.sun.tools.javac.code.*;
+
+
+/** These pseudo-types appear in the generated verifier tables to
+ *  indicate objects that have been allocated but not yet constructed.
+ *
+ *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
+ *  you write code that depends on this, you do so at your own risk.
+ *  This code and its internal interfaces are subject to change or
+ *  deletion without notice.</b>
+ */
+class UninitializedType extends Type.DelegatedType {
+    public static final int UNINITIALIZED_THIS = TypeTags.TypeTagCount;
+    public static final int UNINITIALIZED_OBJECT = UNINITIALIZED_THIS + 1;
+
+    public static UninitializedType uninitializedThis(Type qtype) {
+        return new UninitializedType(UNINITIALIZED_THIS, qtype, -1);
+    }
+
+    public static UninitializedType uninitializedObject(Type qtype, int offset) {
+        return new UninitializedType(UNINITIALIZED_OBJECT, qtype, offset);
+    }
+
+    public final int offset; // PC where allocation took place
+    private UninitializedType(int tag, Type qtype, int offset) {
+        super(tag, qtype);
+        this.offset = offset;
+    }
+
+    Type initializedType() {
+        return qtype;
+    }
+}