- ir_node *block = get_nodes_Block(node);
- node->in = NEW_ARR_D (ir_node *, current_ir_graph->obst, arity+1);
- set_nodes_Block(node, block);
+ ir_node *block = get_nodes_block(node);
+ edges_invalidate(node, current_ir_graph);
+ node->in = NEW_ARR_D(ir_node *, current_ir_graph->obst, arity+1);
+ /* clear the new in array, else edge_notify tries to delete garbage */
+ memset(node->in, 0, (arity+1) * sizeof(node->in[0]));
+ set_nodes_block(node, block);