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

[Mitsuru kariya]

…tation

-------------

Commit messages:
 - 8264734: SA's Address subclasses could use better hashCode() implementation

Changes: https://git.openjdk.java.net/jdk/pull/3522/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3522&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8264734
  Stats: 12 lines in 6 files changed: 0 ins; 6 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