{"ast_node_type":"other","tokens":[{"end":92,"kind":"keyword","start":0,"text":"//"}]}
                // (early layout request for async drop coroutine) to calculate layout size.
                // Otherwise, tcx.layout_of(typing_env.as_query_input(ty)) will be called
                // Layout for `async_drop_in_place<T>::{closure}` may only be known with known T.