[jdk11u-dev] RFR: 8310176: JDK 11 G1 crash during full GC with +UseStringDeduplication [v3]

[Man Cao]

> Hi all,
> 
> Could anyone review this bug fix to G1's full GC for JDK 11. See https://bugs.openjdk.org/browse/JDK-8310176 for details.
> This issue only affects JDK 11 and 12, and is not a backport.
> 
> -Man

Man Cao 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. The pull request contains four additional commits since the last revision:

 - Merge branch 'master' into JDK8310176
 - Update copyright year
 - Add a jtreg test
 - 8310176: JDK 11 G1 crash during full GC with +UseStringDeduplication

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

Changes:
  - all: https://git.openjdk.org/jdk11u-dev/pull/1948/files
  - new: https://git.openjdk.org/jdk11u-dev/pull/1948/files/293913b9..d53596c6

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1948&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1948&range=01-02

  Stats: 1304 lines in 45 files changed: 812 ins; 166 del; 326 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1948.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/1948/head:pull/1948

PR: https://git.openjdk.org/jdk11u-dev/pull/1948