{"ast_node_type":"other","tokens":[{"end":9,"kind":"keyword","start":0,"text":"}"}]}
        }
            Err(tcx.dcx().emit_err(errors::ConstParamTyImplOnNonAdt { span }))
        Err(ConstParamTyImplementationError::InvalidInnerTyOfBuiltinTy(infringing_tys)) => {