RFR: 8282668: HotSpot Style Guide should permit unrestricted unions [v2]

[Kim Barrett]

On Wed, 23 Mar 2022 15:38:31 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Kim Barrett 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 three additional commits since the last revision:
>> 
>>  - Merge branch 'master' into unrestricted-union
>>  - update html
>>  - unrestricted unions
>
> Good.

Thanks @vnkozlov , @tschatzl , @dholmes-ora , @dcubed-ojdk for reviews.

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PR: https://git.openjdk.java.net/jdk/pull/7704