git: openjdk/jdk: 8283781: Avoid allocating unused lastRulesCaches

[Claes Redestad]

Changeset: 0e788e0e
Author:    Claes Redestad <redestad at openjdk.org>
Date:      2022-03-29 09:33:07 +0000
URL:       https://git.openjdk.java.net/jdk/commit/0e788e0ecbf44f1feee817fe22123a8523da5ee3

8283781: Avoid allocating unused lastRulesCaches

Reviewed-by: rriggs, naoto

! src/java.base/share/classes/java/time/zone/ZoneRules.java