RFR: JDK-8301493: Replace NULL with nullptr in cpu/aarch64 [v3]

[Johan Sjölen]

On Wed, 3 May 2023 13:46:31 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Johan Sjölen has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains five commits:
>> 
>>  - Fix style
>>  - Merge remote-tracking branch 'origin/master' into JDK-8301493
>>  - Explicitly cast
>>  - Fixes
>>  -  Replace NULL with nullptr in cpu/aarch64
>
> Remaining `NULL` in
> 
> gc/shared/BarrierSetAssembler::check_oop()
> codeBuffer_aarch64.cpp/emit_shared_trampolines()
> stubGenerator_aarch64.cpp/generate_final_stubs()
> vm_version_aarch64.cpp/check_info_file()

Thanks @tschatzl, probably new code from when I merged that didn't get a conflict. I did a grep for NULL and checked that no more occurrences are in the code.  Running tier1 testing.

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PR Comment: https://git.openjdk.org/jdk/pull/12321#issuecomment-1535348805