--- a/hotspot/src/share/vm/gc_interface/collectedHeap.cpp	Thu Sep 16 13:45:55 2010 -0700
+++ b/hotspot/src/share/vm/gc_interface/collectedHeap.cpp	Mon Sep 20 14:38:38 2010 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2009, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2010, 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
@@ -34,7 +34,9 @@
 
 // Memory state functions.
 
-CollectedHeap::CollectedHeap()
+
+CollectedHeap::CollectedHeap() : _n_par_threads(0)
+
 {
   const size_t max_len = size_t(arrayOopDesc::max_array_length(T_INT));
   const size_t elements_per_word = HeapWordSize / sizeof(jint);