[11u] RFR: JDK-8254177: (tz) Upgrade time-zone data to tzdata2020b

Andrew Hughes gnu.andrew at redhat.com
Wed Oct 14 17:09:59 UTC 2020


Bug: https://bugs.openjdk.java.net/browse/JDK-8254177
Webrev: https://cr.openjdk.java.net/~andrew/openjdk11/8254177/webrev.01/

This updates OpenJDK 11 to the latest tzdata release, which was released
last week. The backport mostly applies cleanly, with the following
exceptions:

* make/modules/java.base/gendata/GendataTZDB.gmk in 16u =>
  make/gendata/GendataTZDB.gmk

* The rule change in test/jdk/java/time/test/java/time/zone/TestZoneRules.java
  had to be applied manually, as 11u does not contain JDK-8239836, which introduces
  the OFF_x shorthand for ZoneOffset.ofHours(x)

Tests in test/jdk/sun/util/calendar & test/jdk/java/time/test all pass
with this update.

I intend to include this with the CPU bundle once reviewed.

Note that this removes the US/Pacific-New zone, which has been long
obsolete and never actually came into effect:

https://bugs.openjdk.java.net/browse/JDK-8254679

Thanks,
-- 
Andrew :)

Senior Free Java Software Engineer
OpenJDK Package Owner
Red Hat, Inc. (http://www.redhat.com)

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