{"ast_node_type":"other","tokens":[{"end":71,"kind":"keyword","start":0,"text":"InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::preg)"}]}
        InlineAsmRegClass::AArch64(AArch64InlineAsmRegClass::preg) => {
        }
            unreachable!("clobber-only")