fast path for api function creation

src/execution.cc

Index: src/execution.cc
diff --git a/src/execution.cc b/src/execution.cc
index 7ae67410e45790653c33d8f578abf79f8c38ec18..9f50560cf40dad27b8d5d948dda19c2ace465a33 100644
--- a/src/execution.cc
+++ b/src/execution.cc
@@ -59,14 +59,19 @@ MUST_USE_RESULT static MaybeHandle<Object> Invoke(
   Isolate* isolate = function->GetIsolate();
 
   // api callbacks can be called directly.
-  if (!is_construct && function->shared()->IsApiFunction()) {
+  if (function->shared()->IsApiFunction() &&
+      (!is_construct ||
+       !function->shared()->get_api_func_data()->remove_prototype())) {
     SaveContext save(isolate);
     isolate->set_context(function->context());
-    if (receiver->IsGlobalObject()) {
+    if (is_construct) {
+      receiver = isolate->factory()->NewJSObject(function);
+    } else if (receiver->IsGlobalObject()) {
       receiver = handle(Handle<GlobalObject>::cast(receiver)->global_proxy());
     }
     DCHECK(function->context()->global_object()->IsGlobalObject());
-    auto value = Builtins::InvokeApiFunction(function, receiver, argc, args);
+    auto value = Builtins::InvokeApiFunction(function, receiver, argc, args,
+                                             is_construct);
     bool has_exception = value.is_null();
     DCHECK(has_exception == isolate->has_pending_exception());
     if (has_exception) {