bitset: tests: try harder to break it bitset_list (used in bitset_first, bitset_next, bitset_count, BITSET_FOR_EACH, etc.) uses a cache of size BITSET_LIST_SIZE (1024). None of our tests current try bitsets bigger than this. * tests/test-bitset.c (compare): Be ready to use bitsets larger than BITSET_LIST_SIZE. (main): Likewise. While at it, also exercise super small bitsets.