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

src/runtime.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1609 matching lines @@
     RUNTIME_ASSERT(code->IsJSFunction());
     Handle<JSFunction> fun = Handle<JSFunction>::cast(code);
     Handle<SharedFunctionInfo> shared(fun->shared());
     SetExpectedNofProperties(target, shared->expected_nof_properties());
 
     if (!EnsureCompiled(shared, KEEP_EXCEPTION)) {
       return Failure::Exception();
     }
     // 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(
         shared->formal_parameter_count());
     // Set the source code of the target function to undefined.
     // SetCode is only used for built-in constructors like String,
     // Array, and Object, and some web code
     // doesn't like seeing source code for constructors.
     target->shared()->set_script(Heap::undefined_value());
     // Clear the optimization hints related to the compiled code as these are no
@@ skipping 5222 matching lines @@
   return *result;
 }
 
 
 static Object* Runtime_LazyCompile(Arguments args) {
   HandleScope scope;
   ASSERT(args.length() == 1);
 
   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");
   }
 #endif
 
   // Compile the target function.  Here we compile using CompileLazyInLoop in
   // order to get the optimized version.  This helps code like delta-blue
   // that calls performance-critical routines through constructors.  A
   // constructor call doesn't use a CallIC, it uses a LoadIC followed by a
@@ skipping 3736 matching lines @@
   } else {
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     Counters::gc_last_resort_from_js.Increment();
     Heap::CollectAllGarbage(false);
   }
 }
 
 
 } }  // namespace v8::internal