CollectionCollectionFactory::createFromMap(conststd::string&name,constDataMap&dm)const{if(!Collection::isNameValid(name)){conststd::stringerror="invalidcollectionname";throwstd::invalid_argument(error);}Collectionc(name,dm);dm.initDataCollection(&c,true);returnc;}每当执行throw语句时，我都会遇到段错误。这是Valgrind