RFR: Merge jdk8u:master [v2]

[Andrew John Hughes]

> Merge jdk8u342-b01

Andrew John Hughes has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase.

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Changes:
  - all: https://git.openjdk.org/shenandoah-jdk8u/pull/15/files
  - new: https://git.openjdk.org/shenandoah-jdk8u/pull/15/files/988c585a..988c585a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=shenandoah-jdk8u&pr=15&range=01
 - incr: https://webrevs.openjdk.org/?repo=shenandoah-jdk8u&pr=15&range=00-01

  Stats: 0 lines in 0 files changed: 0 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/shenandoah-jdk8u/pull/15.diff
  Fetch: git fetch https://git.openjdk.org/shenandoah-jdk8u.git pull/15/head:pull/15

PR: https://git.openjdk.org/shenandoah-jdk8u/pull/15