--- a/hotspot/src/share/vm/opto/block.cpp	Fri Jul 30 10:21:15 2010 -0700
+++ b/hotspot/src/share/vm/opto/block.cpp	Tue Aug 03 15:55:03 2010 -0700
@@ -353,7 +353,8 @@
 PhaseCFG::PhaseCFG( Arena *a, RootNode *r, Matcher &m ) :
   Phase(CFG),
   _bbs(a),
-  _root(r)
+  _root(r),
+  _node_latency(NULL)
 #ifndef PRODUCT
   , _trace_opto_pipelining(TraceOptoPipelining || C->method_has_option("TraceOptoPipelining"))
 #endif