Adds the possibility of setting a Code object as the callback of a FunctionTemplate.

include/v8.h

Index: include/v8.h
diff --git a/include/v8.h b/include/v8.h
index 66c3043b4aa75f4dda797c749195d22d01ed3511..5bf28a84593f1eb10b489b59804fb51e1547c7da 100644
--- a/include/v8.h
+++ b/include/v8.h
@@ -4422,6 +4422,13 @@ class V8_EXPORT FunctionTemplate : public Template {
       Local<Value> data = Local<Value>(),
       Local<Signature> signature = Local<Signature>(), int length = 0);
 
+#ifdef V8_FAST_ACCESSORS
+  /** Creates a function template with a code object. */
+  static Local<FunctionTemplate> New(
+      Isolate* isolate, Local<Value> code, Local<Value> data = Local<Value>(),
+      Local<Signature> signature = Local<Signature>(), int length = 0);
+#endif
+
   /** Returns the unique function instance in the current execution context.*/
   V8_DEPRECATE_SOON("Use maybe version", Local<Function> GetFunction());
   V8_WARN_UNUSED_RESULT MaybeLocal<Function> GetFunction(
@@ -4434,6 +4441,9 @@ class V8_EXPORT FunctionTemplate : public Template {
    */
   void SetCallHandler(FunctionCallback callback,
                       Local<Value> data = Local<Value>());
+#ifdef V8_FAST_ACCESSORS
+  void SetCallHandler(Local<Value> code, Local<Value> data = Local<Value>());
+#endif
 
   /** Set the predefined length property for the FunctionTemplate. */
   void SetLength(int length);