/* reset mature flag */
set_Block_matured(block, 0);
block->attr.block.graph_arr = NEW_ARR_D(ir_node *, obst, n_loc);
memset(block->attr.block.graph_arr, 0, sizeof(ir_node*) * n_loc);
/* reset mature flag */
set_Block_matured(block, 0);
block->attr.block.graph_arr = NEW_ARR_D(ir_node *, obst, n_loc);
memset(block->attr.block.graph_arr, 0, sizeof(ir_node*) * n_loc);