{"ast_node_type":"other","tokens":[{"end":79,"kind":"keyword","start":0,"text":"match"}]}
        match AbiMap::from_target(&self.sess.target).canonize_abi(abi, false) {
    fn check_extern_fn_signature(&self, abi: ExternAbi, ctxt: FnCtxt, ident: &Ident, sig: &FnSig) {
            AbiMapping::Direct(canon_abi) | AbiMapping::Deprecated(canon_abi) => {