syntax_data: {"ast_node_type":"other","tokens":[{"end":76,"kind":"keyword","start":0,"text":"//"}]}
source_snippet:         // This is expanded to a drop ladder in `elaborate_coroutine_drops`.
context_before:         // the unresumed state.
context_after:         let drop_clean = insert_clean_drop(tcx, body, has_async_drops);