--- a/hotspot/src/share/vm/opto/idealGraphPrinter.cpp	Thu Aug 15 11:59:19 2013 -0700
+++ b/hotspot/src/share/vm/opto/idealGraphPrinter.cpp	Fri Aug 16 10:23:55 2013 +0200
@@ -416,7 +416,7 @@
     if (C->cfg() != NULL) {
       Block* block = C->cfg()->get_block_for_node(node);
       if (block == NULL) {
-        print_prop("block", C->cfg()->_blocks[0]->_pre_order);
+        print_prop("block", C->cfg()->get_block(0)->_pre_order);
       } else {
         print_prop("block", block->_pre_order);
       }
@@ -637,10 +637,10 @@
   if (C->cfg() != NULL) {
     // once we have a CFG there are some nodes that aren't really
     // reachable but are in the CFG so add them here.
-    for (uint i = 0; i < C->cfg()->_blocks.size(); i++) {
-      Block *b = C->cfg()->_blocks[i];
-      for (uint s = 0; s < b->_nodes.size(); s++) {
-        nodeStack.push(b->_nodes[s]);
+    for (uint i = 0; i < C->cfg()->number_of_blocks(); i++) {
+      Block* block = C->cfg()->get_block(i);
+      for (uint s = 0; s < block->_nodes.size(); s++) {
+        nodeStack.push(block->_nodes[s]);
       }
     }
   }
@@ -698,24 +698,24 @@
   tail(EDGES_ELEMENT);
   if (C->cfg() != NULL) {
     head(CONTROL_FLOW_ELEMENT);
-    for (uint i = 0; i < C->cfg()->_blocks.size(); i++) {
-      Block *b = C->cfg()->_blocks[i];
+    for (uint i = 0; i < C->cfg()->number_of_blocks(); i++) {
+      Block* block = C->cfg()->get_block(i);
       begin_head(BLOCK_ELEMENT);
-      print_attr(BLOCK_NAME_PROPERTY, b->_pre_order);
+      print_attr(BLOCK_NAME_PROPERTY, block->_pre_order);
       end_head();
 
       head(SUCCESSORS_ELEMENT);
-      for (uint s = 0; s < b->_num_succs; s++) {
+      for (uint s = 0; s < block->_num_succs; s++) {
         begin_elem(SUCCESSOR_ELEMENT);
-        print_attr(BLOCK_NAME_PROPERTY, b->_succs[s]->_pre_order);
+        print_attr(BLOCK_NAME_PROPERTY, block->_succs[s]->_pre_order);
         end_elem();
       }
       tail(SUCCESSORS_ELEMENT);
 
       head(NODES_ELEMENT);
-      for (uint s = 0; s < b->_nodes.size(); s++) {
+      for (uint s = 0; s < block->_nodes.size(); s++) {
         begin_elem(NODE_ELEMENT);
-        print_attr(NODE_ID_PROPERTY, get_node_id(b->_nodes[s]));
+        print_attr(NODE_ID_PROPERTY, get_node_id(block->_nodes[s]));
         end_elem();
       }
       tail(NODES_ELEMENT);