syntax_data: {"ast_node_type":"other","tokens":[{"end":44,"kind":"keyword","start":0,"text":"DtorType::Insignificant"}]}
source_snippet:                 DtorType::Insignificant => {
context_before:                 }
context_after:                     debug!("drop_tys_helper: `{:?}` drop is insignificant", adt_def);