ASSERT(countBlocks(generations[g].steps[s].large_objects)
== generations[g].steps[s].n_large_blocks);
checkHeap(generations[g].steps[s].blocks);
ASSERT(countBlocks(generations[g].steps[s].large_objects)
== generations[g].steps[s].n_large_blocks);
checkHeap(generations[g].steps[s].blocks);