int new_hash_size = (refs_hash_size + 1000) * 3 / 2;
struct object_refs **new_hash;
- new_hash = calloc(new_hash_size, sizeof(struct object_refs *));
+ new_hash = xcalloc(new_hash_size, sizeof(struct object_refs *));
for (i = 0; i < refs_hash_size; i++) {
struct object_refs *ref = refs_hash[i];
if (!ref)