syntax_data: {"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:                 if tcx.is_async_drop_in_place_coroutine(body.source.def_id()) {
context_before:                 // because async drop of such coroutine keeps polling original coroutine
context_after:                     insert_poll_ready_block(tcx, body)