{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":".map_err(|e|"}]}
                .map_err(|e| e.to_interp_error(dest_alloc_id))?;
                .write_uninit(&tcx, dest_range)
            // `write_uninit` also resets the provenance, so we are done.