[promisehook] Fire init hook for promise subclass

src/runtime/runtime-promise.cc

Index: src/runtime/runtime-promise.cc
diff --git a/src/runtime/runtime-promise.cc b/src/runtime/runtime-promise.cc
index d8e3dcaad3ee1fb21eab756a55a66d3e938739dd..fa9190fe97c51b49959a9725b99b345058475f98 100644
--- a/src/runtime/runtime-promise.cc
+++ b/src/runtime/runtime-promise.cc
@@ -290,7 +290,7 @@ RUNTIME_FUNCTION(Runtime_PromiseMarkAsHandled) {
 RUNTIME_FUNCTION(Runtime_PromiseHookInit) {
   HandleScope scope(isolate);
   DCHECK_EQ(2, args.length());
-  CONVERT_ARG_HANDLE_CHECKED(JSPromise, promise, 0);
+  CONVERT_ARG_HANDLE_CHECKED(JSObject, promise, 0);
   CONVERT_ARG_HANDLE_CHECKED(Object, parent, 1);
   isolate->RunPromiseHook(PromiseHookType::kInit, promise, parent);
   return isolate->heap()->undefined_value();