diff -r bbefa3ca1543 -r 5ddfcf4b079e src/share/vm/opto/compile.cpp
--- a/src/share/vm/opto/compile.cpp	Thu Dec 02 01:02:55 2010 -0800
+++ b/src/share/vm/opto/compile.cpp	Thu Dec 02 17:21:12 2010 -0800
@@ -553,7 +553,7 @@
   if (ProfileTraps) {
     // Make sure the method being compiled gets its own MDO,
     // so we can at least track the decompile_count().
-    method()->build_method_data();
+    method()->ensure_method_data();
   }
 
   Init(::AliasLevel);