Put direct code pointers into JSFunction objects. This is a first step...

src/runtime.cc

Index: src/runtime.cc
===================================================================
--- src/runtime.cc	(revision 5232)
+++ src/runtime.cc	(working copy)
@@ -1627,7 +1627,8 @@
     }
     // Set the code, scope info, formal parameter count,
     // and the length of the target function.
-    target->set_code(fun->code());
+    target->shared()->set_code(shared->code());
+    target->set_code(shared->code());
     target->shared()->set_scope_info(shared->scope_info());
     target->shared()->set_length(shared->length());
     target->shared()->set_formal_parameter_count(
@@ -6870,7 +6871,7 @@
 
   Handle<JSFunction> function = args.at<JSFunction>(0);
 #ifdef DEBUG
-  if (FLAG_trace_lazy) {
+  if (FLAG_trace_lazy && !function->shared()->is_compiled()) {
     PrintF("[lazy: ");
     function->shared()->name()->Print();
     PrintF("]\n");