RFR: 8264734: SA's Address subclasses could use better hashCode() implementation [v2]

[Mitsuru kariya]

> …tation

Mitsuru kariya has updated the pull request incrementally with one additional commit since the last revision:

  Update copyright

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/3522/files
  - new: https://git.openjdk.java.net/jdk/pull/3522/files/5f671f95..d1e30f77

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=3522&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=3522&range=00-01

  Stats: 6 lines in 6 files changed: 0 ins; 0 del; 6 mod
  Patch: https://git.openjdk.java.net/jdk/pull/3522.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/3522/head:pull/3522

PR: https://git.openjdk.java.net/jdk/pull/3522