{"ast_node_type":"other","tokens":[{"end":56,"kind":"keyword","start":0,"text":"Msp430(Msp430InlineAsmRegClass::reg)"}]}
            Msp430(Msp430InlineAsmRegClass::reg) => "r",
            Sparc(SparcInlineAsmRegClass::yreg) => unreachable!("clobber-only"),
            M68k(M68kInlineAsmRegClass::reg) => "r",