Preview of a first step towards unification of hydrogen calls

src/compiler.h

Index: src/compiler.h
diff --git a/src/compiler.h b/src/compiler.h
index 7599c13a0c48f98e2c545a049be02b2fba3c05a8..8100056676f2470e1df920d2051ce6819147798a 100644
--- a/src/compiler.h
+++ b/src/compiler.h
@@ -77,6 +77,7 @@ class CompilationInfo {
   Scope* global_scope() const { return global_scope_; }
   Handle<Code> code() const { return code_; }
   Handle<JSFunction> closure() const { return closure_; }
+  Handle<Object> closure_code_object() const { return closure_code_object_; }
   Handle<SharedFunctionInfo> shared_info() const { return shared_info_; }
   Handle<Script> script() const { return script_; }
   HydrogenCodeStub* code_stub() const {return code_stub_; }
@@ -91,6 +92,7 @@ class CompilationInfo {
   int num_heap_slots() const;
   Code::Flags flags() const;
 
+  void CreateCodeObject();
   void MarkAsEval() {
     ASSERT(!is_lazy());
     flags_ |= IsEval::encode(true);
@@ -405,6 +407,9 @@ class CompilationInfo {
   Handle<SharedFunctionInfo> shared_info_;
   Handle<Script> script_;
 
+  // Placeholder for self calls
+  Handle<Object> closure_code_object_;
+
   // Fields possibly needed for eager compilation, NULL by default.
   v8::Extension* extension_;
   ScriptDataImpl* pre_parse_data_;
@@ -438,7 +443,7 @@ class CompilationInfo {
   template<typename T>
   void SaveHandle(Handle<T> *object) {
     if (!object->is_null()) {
-      Handle<T> handle(*(*object));
+      Handle<T> handle(*(*object), isolate());
       *object = handle;
     }
   }