<i18n dev> RFR: 8263668: Update java.time to use instanceof pattern variable

[Patrick Concannon]

Hi,

Could someone please review my code for updating the code in the `java.time` package to make use of the `instanceof` pattern variable?

Kind regards,
Patrick

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Commit messages:
 - Merge remote-tracking branch 'origin/master' into JDK-8263668
 - 8263668: Update java.time to use instanceof pattern variable

Changes: https://git.openjdk.java.net/jdk/pull/3170/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3170&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8263668
  Stats: 170 lines in 34 files changed: 0 ins; 47 del; 123 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3170.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3170/head:pull/3170

PR: https://git.openjdk.java.net/jdk/pull/3170