The question itself is actually questionable. As Perl is not a language with strong type, the upper or lower limits of integer themselves, do not really put much restriction on the things one "typically" (another typically ;-) does.
Again because Perl is not a strong type language, the plan to use ++/-- ONLY to hit the integer limits are not doable, unless you sneak some other stuffs in.
Integer limits produce much less worries in Perl, than they do in other languages. At least the worry is from a totally different sense.
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