RFR: 8308286 Fix clang warnings in linux code [v8]

Fri Jun 23 08:27:04 UTC 2023

On Fri, 23 Jun 2023 08:03:45 GMT, Artem Semenov <asemenov at openjdk.org> wrote:

>> When using the clang compiler to build OpenJDk on Linux, we encounter various "warnings as errors".
>> They can be fixed with small changes.
>
> Artem Semenov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   update

LGTM

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Marked as reviewed by djelinski (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/14033#pullrequestreview-1494691850