don't issue warnings for nodes that can still be reached through block out...

don't issue warnings for nodes that can still be reached through block out edges (as it's nearly impossible to avoid this situation)

ir/be/beverify.c

@@ -755,7 +755,7 @@ static void check_out_edges(ir_node *node, verify_out_dead_nodes_env *env) {
 	foreach_out_edge(node, edge) {
 		ir_node* src = get_edge_src_irn(edge);
 
-		if(!bitset_is_set(env->reachable, get_irn_idx(src))) {
+		if(!bitset_is_set(env->reachable, get_irn_idx(src)) && !is_Block(node)) {
 			ir_fprintf(stderr, "Verify warning: Node %+F in block %+F(%s) only reachable through out edges from %+F\n",
 			           src, get_nodes_block(src), get_irg_dump_name(irg), node);
 			env->problem_found = 1;