RFR: 8258075: Use auto variable declarations for enum iteration [v2]

[Ioi Lam]

On Sat, 12 Dec 2020 00:05:15 GMT, Calvin Cheung <ccheung at openjdk.org> wrote:

>> Ioi Lam 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 'master' into 8258075-auto-declaration-enum-iter
>>  - 8258075: Use auto variable declarations for enum iteration
>
> Looks good.

Thanks @calvinccheung and @rose00 for the review.

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PR: https://git.openjdk.java.net/jdk/pull/1751