* lowers IR-nodes, called from walker
*/
static void lower_irnode(ir_node *irn, void *env) {
+ (void) env;
switch (get_irn_opcode(irn)) {
case iro_Sel:
lower_sel(irn);
* Walker: lowers IR-nodes for bitfield access
*/
static void lower_bf_access(ir_node *irn, void *env) {
+ (void) env;
switch (get_irn_opcode(irn)) {
case iro_Proj:
{