RFR: 8274391: Suppress more warnings on non-serializable non-transient instance fields in java.util.concurrent

[Doug Lea]

On Mon, 27 Sep 2021 18:40:10 GMT, Joe Darcy <darcy at openjdk.org> wrote:

> Follow-up change to JDK-8232230, augmentations to javac's Xlint:serial checking are out for review (https://github.com/openjdk/jdk/pull/5709) and java.util.concurrent would need some changes to pass under the expanded checks.
> 
> The changes are to suppress warnings where non-transient fields in serializable types are not declared with a type statically known to be serializable. That isn't necessarily a correctness issues, but it does merit further scrutiny.
> 
> In ForkJoinTask, the SuppressWarnings annotation previously applied in JDK-8232230, seems to have been misplaced to a different field; this change corrects it.

Just to be sure, does this include only the conditionally serializable annotations in ForkJoinPool and ForkJoinTask in:
https://github.com/openjdk/jdk/pull/5718/files/a20d9afbd7b49b452b3c9bdc9f2d56442b5e2fc6
If so, this looks OK to me.

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PR: https://git.openjdk.java.net/jdk/pull/5718