{"ast_node_type":"other","tokens":[{"end":80,"kind":"keyword","start":0,"text":"(sym::proc_macro,"}]}
            (sym::proc_macro, None) => disallow(cfg, "--crate-type proc-macro"),
            ) => disallow(cfg, "-Z sanitizer=cfi"),
            (sym::panic, Some(sym::abort | sym::unwind)) => disallow(cfg, "-C panic"),