[runtime] [proxy] Make Object.prototype.hasOwnProperty support proxies

src/runtime/runtime-object.cc

Index: src/runtime/runtime-object.cc
diff --git a/src/runtime/runtime-object.cc b/src/runtime/runtime-object.cc
index 26a55ac75b36489e84028946e265318abce52fbb..e8938862a38b14ac477f58339cfc69782497077c 100644
--- a/src/runtime/runtime-object.cc
+++ b/src/runtime/runtime-object.cc
@@ -714,6 +714,11 @@ RUNTIME_FUNCTION(Runtime_HasOwnProperty) {
     if (index < static_cast<uint32_t>(string->length())) {
       return isolate->heap()->true_value();
     }
+  } else if (object->IsJSProxy()) {
+    Maybe<bool> result =
+        JSReceiver::HasOwnProperty(Handle<JSProxy>::cast(object), key);
+    if (!result.IsJust()) return isolate->heap()->exception();
+    return isolate->heap()->ToBoolean(result.FromJust());
   }
   return isolate->heap()->false_value();
 }