uns nbuck = 1 << bits;
SORT_XTRACE(2, "Running radix split on %s with hash %d bits of %d (expecting %s buckets)",
F_BSIZE(b), bits, b->hash_bits, stk_fsize(sbuck_size(b) / nbuck));
+ sorter_free_buf(ctx);
sorter_start_timer(ctx);
struct sort_bucket **outs = alloca(nbuck * sizeof(struct sort_bucket *));