RFR: 8291822: ARM: fix build warnings with GCC11 [v2]

[Aleksey Shipilev]

On Wed, 3 Aug 2022 14:25:24 GMT, Marc R. Hoffmann <marchof at openjdk.org> wrote:

>> Same workaround was applied for other platforms in JDK-8270083 and JDK-8271869
>
> Marc R. Hoffmann has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
> 
>   8291822: ARM: fix build warnings with GCC11
>   
>   Same workaround was applied for other platforms in
>   JDK-8270083 and JDK-8271869

Looks good, assuming ARM32 builds pass.

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

Marked as reviewed by shade (Reviewer).

PR: https://git.openjdk.org/jdk/pull/9727