RFR: 8345632: [ASAN] memory leak in get_numbered_property_as_sorted_string function [v3]

[Calvin Cheung]

On Fri, 6 Dec 2024 09:04:58 GMT, SendaoYan <syan at openjdk.org> wrote:

>> 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`. Avoid strdup in the empty string case, risk is low.
>> 
>> Additional testing:
>> 
>> - [x] jtreg tests (include tier1/2/3 etc.) on linux-x64
>> - [x] 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 pull request now contains two commits:
> 
>  - avoid strdup in the empty string case
>  - 8345632: [ASAN] memory leak in get_numbered_property_as_sorted_string function

Marked as reviewed by ccheung (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/22594#pullrequestreview-2485499732