RFR: 8345273: Fix -Wzero-as-null-pointer-constant warnings in s390 code [v3]

[Kim Barrett]

On Tue, 10 Dec 2024 13:52:54 GMT, Andrew Haley <aph 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 fix-s390-zero-null
>>  - Merge branch 'master' into fix-s390-zero-null
>>  - simple s390 fixes
>
> Marked as reviewed by aph (Reviewer).

Thanks for reviews @theRealAph , @TheShermanTanker , and @offamitkumar

-------------

PR Comment: https://git.openjdk.org/jdk/pull/22469#issuecomment-2533622521