set *changed_nodes; /**< contains node_stat_t's. */
} qnode_t;
-pset *pinned_global; /**< optimized nodes should not be altered any more */
+static pset *pinned_global; /**< optimized nodes should not be altered any more */
static int set_cmp_conflict_t(const void *x, const void *y, size_t size) {
const conflict_t *xx = x;
*/
static void ou_optimize(unit_t *ou) {
int i;
- qnode_t *curr, *tmp;
+ qnode_t *curr = NULL, *tmp;
bitset_t *pos_regs = bitset_alloca(ou->co->chordal_env->cls->n_regs);
DBG((dbg, LEVEL_1, "\tOptimizing unit:\n"));