--- old/hotspot/src/share/vm/memory/blockOffsetTable.cpp	2009-08-01 04:11:55.184839386 +0100
+++ new/hotspot/src/share/vm/memory/blockOffsetTable.cpp	2009-08-01 04:11:55.103467282 +0100
@@ -187,7 +187,7 @@
     "Offset card has an unexpected value");
   size_t start_card_for_region = start_card;
   u_char offset = max_jubyte;
-  for (int i = 0; i <= N_powers-1; i++) {
+  for (int i = 0; i < N_powers; i++) {
     // -1 so that the the card with the actual offset is counted.  Another -1
     // so that the reach ends in this region and not at the start
     // of the next.