diff -r bcffa4c5eef6 -r 24b9c7f4cae6 src/share/vm/opto/type.cpp
--- a/src/share/vm/opto/type.cpp	Fri Jun 29 17:12:15 2012 -0700
+++ b/src/share/vm/opto/type.cpp	Mon Jul 02 13:11:28 2012 -0400
@@ -212,7 +212,7 @@
   // locking.
 
   Arena* save = current->type_arena();
-  Arena* shared_type_arena = new Arena();
+  Arena* shared_type_arena = new (mtCompiler)Arena();
 
   current->set_type_arena(shared_type_arena);
   _shared_type_dict =