{"ast_node_type":"other","tokens":[{"end":89,"kind":"keyword","start":0,"text":"RiscV(RiscVInlineAsmRegClass::reg)"}]}
        RiscV(RiscVInlineAsmRegClass::reg) | RiscV(RiscVInlineAsmRegClass::freg) => None,
        PowerPC(_) => None,
        RiscV(RiscVInlineAsmRegClass::vreg) => unreachable!("clobber-only"),