fast path for api function creation

src/builtins.cc

Index: src/builtins.cc
diff --git a/src/builtins.cc b/src/builtins.cc
index 2457a956a7a801c59f6885aad59d3ca79b150bca..0b93b9ee8997be21b0e3c062f5b1eeaef7700044 100644
--- a/src/builtins.cc
+++ b/src/builtins.cc
@@ -1147,8 +1147,8 @@ class RelocatableArguments : public BuiltinArguments<NEEDS_CALLED_FUNCTION>,
 
 MaybeHandle<Object> Builtins::InvokeApiFunction(Handle<JSFunction> function,
                                                 Handle<Object> receiver,
-                                                int argc,
-                                                Handle<Object> args[]) {
+                                                int argc, Handle<Object> args[],
+                                                bool is_construct) {
   // Construct BuiltinArguments object: function, arguments reversed, receiver.
   const int kBufferSize = 32;
   Object* small_argv[kBufferSize];
@@ -1167,7 +1167,11 @@ MaybeHandle<Object> Builtins::InvokeApiFunction(Handle<JSFunction> function,
   {
     auto isolate = function->GetIsolate();
     RelocatableArguments arguments(isolate, argc + 2, &argv[argc + 1]);
-    result = HandleApiCallHelper<false>(isolate, arguments);
+    if (is_construct) {
+      result = HandleApiCallHelper<true>(isolate, arguments);
+    } else {
+      result = HandleApiCallHelper<false>(isolate, arguments);
+    }
   }
   if (argv != small_argv) {
     delete[] argv;