RFR: 7904028: jcstress: Address s.m.Unsafe use warnings which fail build on JDK 23+ [v2]
Aleksey Shipilev
shade at openjdk.org
Thu Jun 19 09:10:42 UTC 2025
On Thu, 19 Jun 2025 09:06:25 GMT, Pavel Rappo <prappo at openjdk.org> wrote:
>> Here I propose a simple, symptomatic solution to fix build failures on JDK 23+ caused by treating "deprecated for removal" warnings as errors.
>>
>> In the patch, I tried to keep the scope of `@SuppressWarnings` to a minimum. However, in a few cases I had to broaden it. This is because this annotation cannot be applied to a static initializer or an assignment within it.
>>
>> Instead of extracting code into methods for the sake of annotating those, I annotated the smallest annotatable outer element, which was the top-level class. For example, see: `UnsafeBusyLoopTest`, `UnsafeAddLong1`, `UnsafeAddLong42`.
>>
>> I note that in JBS @shipilev suggested another approach to address the warnings. Namely, to move from `Unsafe` to `VarHandle`. However, such an approach is beyond my competence. And if chosen, it should be done by someone else. Thanks.
>
> Pavel Rappo has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains two commits:
>
> - Merge branch 'master' into CODETOOLS-7904028
> - Initial commit
Dang, I think your GHA workflows are not enabled. Please go to https://github.com/pavelrappo/jcstress/actions, enable the workflow, and trigger it on your PR branch.
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PR Comment: https://git.openjdk.org/jcstress/pull/165#issuecomment-2987334724
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