1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/builtin/ParseRecordObject.cpp b/js/src/builtin/ParseRecordObject.cpp
index a453c30c0e..efb05d1845 100644
--- a/js/src/builtin/ParseRecordObject.cpp
+++ b/js/src/builtin/ParseRecordObject.cpp
@@ -19,8 +19,24 @@ ParseRecordObject::ParseRecordObject(Handle<js::JSONParseNode*> parseNode,
                                      const Value& val)
     : parseNode(parseNode), key(JS::PropertyKey::Void()), value(val) {}
 
+bool ParseRecordObject::addEntries(JSContext* cx, EntryMap&& appendEntries) {
+  if (!entries) {
+    entries = js::MakeUnique<EntryMap>(std::move(appendEntries));
+    return !!entries;
+  }
+  for (auto iter = appendEntries.iter(); !iter.done(); iter.next()) {
+    if (!entries->put(iter.get().key(), std::move(iter.get().value()))) {
+      return false;
+    }
+  }
+  return true;
+}
+
 void ParseRecordObject::trace(JSTracer* trc) {
   JS::TraceRoot(trc, &parseNode, "ParseRecordObject parse node");
   JS::TraceRoot(trc, &key, "ParseRecordObject key");
   JS::TraceRoot(trc, &value, "ParseRecordObject value");
+  if (entries) {
+    entries->trace(trc);
+  }
 }