In the above case yes but as the number of keys is increased the buckets will get reused and the result won't be correct:
$ perl -le '%h = (1 .. 10); print scalar %h'
$ perl -le '%h = (1 .. 12); print scalar %h'
$ perl -le '%h = (1 .. 100); print scalar %h'
Actually, I searched for a genuine use for this feature for a long time and I almost found one: Power Twool.
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