&found);
 
                if (found)
-                       die("BUG: Duplicate object in hash");
+                       BUG("Duplicate object in hash");
 
                pdata->index[ix] = i + 1;
                entry++;
 
        pdata->oe_size_limit = git_env_ulong("GIT_TEST_OE_SIZE",
                                             1U << OE_SIZE_BITS);
+       pdata->oe_delta_size_limit = git_env_ulong("GIT_TEST_OE_DELTA_SIZE",
+                                                  1UL << OE_DELTA_SIZE_BITS);
 }
 
 struct object_entry *packlist_alloc(struct packing_data *pdata,
 
                if (!pdata->in_pack_by_idx)
                        REALLOC_ARRAY(pdata->in_pack, pdata->nr_alloc);
+               if (pdata->delta_size)
+                       REALLOC_ARRAY(pdata->delta_size, pdata->nr_alloc);
        }
 
        new_entry = pdata->objects + pdata->nr_objects++;