syntax_data: {"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"body.local_decls[RETURN_PLACE]"}]}
source_snippet:     body.local_decls[RETURN_PLACE] = LocalDecl::with_source_info(poll_enum, source_info);
context_before:     let poll_enum = Ty::new_adt(tcx, poll_adt_ref, tcx.mk_args(&[tcx.types.unit.into()]));