RFR: 8338248: PartialArrayStateAllocator::Impl leaks Arena array [v2]

[Zhengyu Gu]

> Simple fix for a memory leak

Zhengyu Gu has updated the pull request incrementally with one additional commit since the last revision:

  Remove empty line

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Changes:
  - all: https://git.openjdk.org/jdk/pull/20557/files
  - new: https://git.openjdk.org/jdk/pull/20557/files/b24a60e0..1f4739dc

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20557&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20557&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/20557.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20557/head:pull/20557

PR: https://git.openjdk.org/jdk/pull/20557