{"ast_node_type":"variable","tokens":[{"end":72,"kind":"keyword","start":0,"text":"if"}]}
                    if let Some(abi_name) = clobber_abi.string_token() {
                ast::AsmPiece::AsmClobberAbi(clobber_abi) => {
                        clobber_abis.insert(Symbol::intern(abi_name.text()));