Implement inlining of constructor calls.

src/ast.h

Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index 34fadab62d8ec52949ab352a97051ad7ad6ae4f1..353d6068e1361d5da85d7e9657fcbaa3a34ffbad 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -1324,7 +1324,9 @@ class CallNew: public Expression {
       : Expression(isolate),
         expression_(expression),
         arguments_(arguments),
-        pos_(pos) { }
+        pos_(pos),
+        is_monomorphic_(false),
+        return_id_(GetNextId(isolate)) { }
 
   DECLARE_NODE_TYPE(CallNew)
 
@@ -1334,10 +1336,22 @@ class CallNew: public Expression {
   ZoneList<Expression*>* arguments() const { return arguments_; }
   virtual int position() const { return pos_; }
 
+  void RecordTypeFeedback(TypeFeedbackOracle* oracle);
+  virtual bool IsMonomorphic() { return is_monomorphic_; }
+  Handle<JSFunction> target() { return target_; }
+
+  // Bailout support.
+  int ReturnId() const { return return_id_; }
+
  private:
   Expression* expression_;
   ZoneList<Expression*>* arguments_;
   int pos_;
+
+  bool is_monomorphic_;
+  Handle<JSFunction> target_;
+
+  int return_id_;
 };