RFR: 8345632: [ASAN] memory leak in get_numbered_property_as_sorted_string function [v2]

[SendaoYan]

> Hi all,
> This PR fix memory leak problem in get_numbered_property_as_sorted_string function which introduced by [JDK-8342089](https://bugs.openjdk.org/browse/JDK-8342089) when the function get_numbered_property_as_sorted_string `return nullptr`. Free the memory before `return nullptr`, risk is low.
> 
> Additional testing:
> 
> - [ ] jtreg tests (include tier1/2/3 etc.) on linux-x64
> - [ ] jtreg tests (include tier1/2/3 etc.) on linux-aarch64

SendaoYan 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 two additional commits since the last revision:

 - Merge branch 'openjdk:master' into jbs8345632
 - 8345632: [ASAN] memory leak in get_numbered_property_as_sorted_string function

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/22594/files
  - new: https://git.openjdk.org/jdk/pull/22594/files/97d9b1b4..e926e196

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=22594&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=22594&range=00-01

  Stats: 7259 lines in 153 files changed: 6855 ins; 204 del; 200 mod
  Patch: https://git.openjdk.org/jdk/pull/22594.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22594/head:pull/22594

PR: https://git.openjdk.org/jdk/pull/22594