- res->attr.aa.lower_bound = xcalloc(n_dimensions, sizeof(*res->attr.aa.lower_bound));
- res->attr.aa.upper_bound = xcalloc(n_dimensions, sizeof(*res->attr.aa.upper_bound));
- res->attr.aa.order = xcalloc(n_dimensions, sizeof(*res->attr.aa.order));
+ res->attr.aa.lower_bound = XMALLOCNZ(ir_node*, n_dimensions);
+ res->attr.aa.upper_bound = XMALLOCNZ(ir_node*, n_dimensions);
+ res->attr.aa.order = XMALLOCNZ(int, n_dimensions);