VM tries to add dummy regions with humongous object on non-product build but filler_array_max_size is limited to humongous threshold.
assert(words <= filler_array_max_size(), "too big for a single object") from CollectedHeap::fill_with_object_impl().
assert(words <= filler_array_max_size(), "too big for a single object") from CollectedHeap::fill_with_object_impl().