<i18n dev> RFR: 8283781: Avoid allocating unused lastRulesCaches

[Naoto Sato]

On Mon, 28 Mar 2022 11:52:38 GMT, Claes Redestad <redestad at openjdk.org> wrote:

> This address a minor inefficiency in that the `ZoneRules` of any `ZoneOffset` (and some `ZoneRegion`s) allocate `lastRulesCache` unnecessarily.

Marked as reviewed by naoto (Reviewer).

-------------

PR: https://git.openjdk.java.net/jdk/pull/7990