{"ast_node_type":"other","tokens":[{"end":66,"kind":"keyword","start":0,"text":"InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg)"}]}
        InlineAsmRegClass::SpirV(SpirVInlineAsmRegClass::reg) => {
        ) => unreachable!("clobber-only"),
            bug!("GCC backend does not support SPIR-V")