Index: lucene/src/test/org/apache/lucene/index/TestFilterIndexReader.java
===================================================================
--- lucene/src/test/org/apache/lucene/index/TestFilterIndexReader.java	(revision 1036589)
+++ lucene/src/test/org/apache/lucene/index/TestFilterIndexReader.java	(working copy)
@@ -149,7 +149,7 @@
     //IndexReader reader = new TestReader(IndexReader.open(directory, true));
     Directory target = newDirectory();
     writer = new IndexWriter(target, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer()));
-    IndexReader reader = new TestReader(IndexReader.open(directory, true));
+    IndexReader reader = new TestReader(SlowMultiReaderWrapper.wrap(IndexReader.open(directory, true)));
     writer.addIndexes(reader);
     writer.close();
     reader.close();
Index: lucene/src/java/org/apache/lucene/index/FilterIndexReader.java
===================================================================
--- lucene/src/java/org/apache/lucene/index/FilterIndexReader.java	(revision 1036589)
+++ lucene/src/java/org/apache/lucene/index/FilterIndexReader.java	(working copy)
@@ -279,7 +279,7 @@
   
   @Override
   public Bits getDeletedDocs() {
-    return MultiFields.getDeletedDocs(in);
+    return in.getDeletedDocs();
   }
   
   @Override
@@ -415,12 +415,12 @@
   
   @Override
   public IndexReader[] getSequentialSubReaders() {
-    return null;
+    return in.getSequentialSubReaders();
   }
 
   @Override
   public Fields fields() throws IOException {
-    return MultiFields.getFields(in);
+    return in.fields();
   }
 
   /** If the subclass of FilteredIndexReader modifies the
Index: lucene/src/java/org/apache/lucene/index/SlowMultiReaderWrapper.java
===================================================================
--- lucene/src/java/org/apache/lucene/index/SlowMultiReaderWrapper.java	(revision 1036589)
+++ lucene/src/java/org/apache/lucene/index/SlowMultiReaderWrapper.java	(working copy)
@@ -48,7 +48,7 @@
  * yourself.</p>
  */
 
-public final class SlowMultiReaderWrapper extends FilterIndexReader {
+public class SlowMultiReaderWrapper extends FilterIndexReader {
   /** This method may return the reader back, if the
    *  incoming reader is already atomic. */
   public static IndexReader wrap(IndexReader reader) throws IOException {
@@ -64,7 +64,7 @@
     }
   }
 
-  private SlowMultiReaderWrapper(IndexReader other) throws IOException {
+  protected SlowMultiReaderWrapper(IndexReader other) {
     super(other);
   }
 
@@ -82,4 +82,9 @@
   public void doClose() throws IOException {
     throw new UnsupportedOperationException("please call close on the original reader instead");
   }
+
+  @Override
+  public IndexReader[] getSequentialSubReaders() {
+    return null;
+  } 
 }
Index: lucene/contrib/misc/src/java/org/apache/lucene/index/MultiPassIndexSplitter.java
===================================================================
--- lucene/contrib/misc/src/java/org/apache/lucene/index/MultiPassIndexSplitter.java	(revision 1036589)
+++ lucene/contrib/misc/src/java/org/apache/lucene/index/MultiPassIndexSplitter.java	(working copy)
@@ -173,7 +173,7 @@
    * Instead, deletions are buffered in a bitset and overlaid with the original
    * list of deletions.
    */
-  public static class FakeDeleteIndexReader extends FilterIndexReader {
+  public static class FakeDeleteIndexReader extends SlowMultiReaderWrapper {
     // TODO: switch to flex api, here
 
     OpenBitSet dels;