message: Removed assert that wasn't backwards compatible.
diff: @@ -411,7 +411,6 @@ struct EnumDef : public Definition {
  size_t size() const { return vals.vec.size(); }
  const std::vector<EnumVal *> &Vals() const {
  - FLATBUFFERS_ASSERT(false == vals.vec.empty());
  return vals.vec;
  }
  