RFR: 8337683: Fix -Wconversion problem with arrayOop.hpp [v5]

[Coleen Phillimore]

On Wed, 7 Aug 2024 21:05:05 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Since base_offset_in_bytes and HeapWordSize are int, there's no loss of conversion in making these variables int.  This seems trivial.
>> Tested with tier1 on linux and windows.
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   See if GHA compilers like this.

Thanks for reviewing Stefan and suggestions for byteswap.hpp and atomic.hpp.

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PR Review: https://git.openjdk.org/jdk/pull/20431#pullrequestreview-2227565170