Support CreateDataProperty on JSObject in the runtime

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index 54762699e16f9bdbb592cde7a793f676c21e7657..1c239ace0ebcb4f749b6656e6e79f6c2128ed6a4 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -4296,6 +4296,27 @@ MaybeHandle<Object> JSObject::DefinePropertyOrElementIgnoreAttributes(
 }
 
 
+Maybe<bool> JSObject::CreateDataProperty(LookupIterator* it,
+                                         Handle<Object> value) {
+  DCHECK(it->GetReceiver()->IsJSObject());
+  Maybe<PropertyAttributes> maybe = JSReceiver::GetPropertyAttributes(it);
+  if (maybe.IsNothing()) return Nothing<bool>();
+
+  if (it->IsFound()) {
+    if (!it->IsConfigurable()) return Just(false);
+  } else {
+    if (!JSObject::cast(*it->GetReceiver())->IsExtensible()) return Just(false);
+  }
+
+  RETURN_ON_EXCEPTION_VALUE(
+      it->isolate(),
+      DefineOwnPropertyIgnoreAttributes(it, value, NONE, DONT_FORCE_FIELD),
+      Nothing<bool>());
+
+  return Just(true);
+}
+
+
 Maybe<PropertyAttributes> JSObject::GetPropertyAttributesWithInterceptor(
     LookupIterator* it) {
   Isolate* isolate = it->isolate();