{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"checker.check(lang_items.drop_trait(),"}]}
    checker.check(lang_items.drop_trait(), visit_implementation_of_drop)?;
    let checker = Checker { tcx, trait_def_id, impl_def_id, impl_header };
    checker.check(lang_items.async_drop_trait(), visit_implementation_of_drop)?;