{"ast_node_type":"other","tokens":[{"end":68,"kind":"keyword","start":0,"text":"InlineAsmRegOrRegClass::RegClass(reg_class)"}]}
                    InlineAsmRegOrRegClass::RegClass(reg_class) => {
                    }
                        asm::InlineAsmRegOrRegClass::RegClass(if let Some(asm_arch) = asm_arch {