default_copy_attr(irg, old_node, new_node);
new_node->attr.assem.input_constraints = DUP_ARR_D(ir_asm_constraint, irg->obst, old_node->attr.assem.input_constraints);
new_node->attr.assem.output_constraints = DUP_ARR_D(ir_asm_constraint, irg->obst, old_node->attr.assem.output_constraints);
default_copy_attr(irg, old_node, new_node);
new_node->attr.assem.input_constraints = DUP_ARR_D(ir_asm_constraint, irg->obst, old_node->attr.assem.input_constraints);
new_node->attr.assem.output_constraints = DUP_ARR_D(ir_asm_constraint, irg->obst, old_node->attr.assem.output_constraints);