{"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"Avr(AvrInlineAsmRegClass::reg_upper)"}]}
        Avr(AvrInlineAsmRegClass::reg_upper) => cx.type_i8(),
        Avr(AvrInlineAsmRegClass::reg) => cx.type_i8(),
        Avr(AvrInlineAsmRegClass::reg_pair) => cx.type_i16(),