[jdk11u-dev] RFR: 8247589: Implementation of Alpine Linux/x64 Port

[Yi-Fan Tsai]

8247589: Implementation of Alpine Linux/x64 Port

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Commit messages:
 - Fix backports
 - 8247589: Implementation of Alpine Linux/x64 Port

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/827/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=827&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8247589
  Stats: 432 lines in 34 files changed: 345 ins; 42 del; 45 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/827.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/827/head:pull/827

PR: https://git.openjdk.java.net/jdk11u-dev/pull/827