RFR: 8302822: Method/Field/Constructor/RecordComponent::getGenericInfo() is not thread safe [v2]

[Chen Liang]

On Wed, 15 Mar 2023 02:37:05 GMT, Chen Liang <liach at openjdk.org> wrote:

>> 8302822: Method/Field/Constructor/RecordComponent::getGenericInfo() is not thread safe
>
> Chen Liang 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:
> 
>  - Make the repositories volatile like in Class
>  - Merge branch 'master' of https://git.openjdk.java.net/jdk into generic-info-thread-safe
>  - Merge branch 'master' of https://git.openjdk.java.net/jdk into generic-info-thread-safe
>  - 8302822: Method/Field/Constructor/RecordComponent::getGenericInfo() is not thread safe

keep-alive. Using volatile to ensure correctness of program order is still better than reading `null` on the second non-volatile read at return.

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PR Comment: https://git.openjdk.org/jdk/pull/12643#issuecomment-1530666323