hg: jdk9/sandbox/jdk: 8074003: java.time.zone.ZoneRules.getOffset(java.time.Instant) can be optimized

[chris.hegarty at oracle.com]

Changeset: 5441e96e46fa
Author:    plevart
Date:      2015-05-04 10:13 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/5441e96e46fa

8074003: java.time.zone.ZoneRules.getOffset(java.time.Instant) can be optimized
Summary: Make epochSecond part of ZoneOffsetTransition so it doesn't have to be recomputed frequently
Reviewed-by: scolebourne, rriggs

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