ir_rvalue *param_rval = (ir_rvalue *)iter.get();
ir_variable *sig_param = (ir_variable *)sig_iter.get();
- if (sig_param->mode == ir_var_in) {
+ if (sig_param->mode == ir_var_in || sig_param->mode == ir_var_const_in) {
ir_rvalue *new_param = param_rval;
handle_rvalue(&new_param);