671         Operator::Call { function_index } => {  in translate_operator()
672             let function_index = FuncIndex::from_u32(*function_index);  in translate_operator()  localVariable
673             let ty = environ.module.functions[function_index]  in translate_operator()
677             let num_args = environ.num_params_for_func(function_index);  in translate_operator()
686                 function_index,  in translate_operator()
748         Operator::ReturnCall { function_index } => {  in translate_operator()
749             let function_index = FuncIndex::from_u32(*function_index);  in translate_operator()  localVariable
750             let ty = environ.module.functions[function_index]  in translate_operator()
754             let num_args = environ.num_params_for_func(function_index);  in translate_operator()
760             environ.translate_return_call(builder, srcloc, function_index, sig_ref, &args)?;  in translate_operator()
1362         Operator::RefFunc { function_index } => {  in translate_operator()
1363             let index = FuncIndex::from_u32(*function_index);  in translate_operator()