[Bug] javac gives non-deterministic output (for sealed interface with records)
Przemek Bielicki
pbielicki at gmail.com
Tue Dec 19 16:46:21 UTC 2023
Awesome, thanks!
W dniu wt., 19.12.2023 o 17:45 Vicente Romero <vicente.romero at oracle.com>
napisał(a):
> Hi Przemek,
>
> Thanks again for the report and the additional info provided. I have
> created [1] and assigned it to myself,
>
> Vicente
>
> [1] https://bugs.openjdk.org/browse/JDK-8322477
>
>
> On 12/19/23 03:48, Przemek Bielicki wrote:
>
> Oh damn! I think IDEA's decompiler helped a little with the explanation of
> the meaning of the order.
> As you can see from the attached screenshot the order of permits differ:
>
> permits GradleExecGraphNodeExecutionInfo.Task,
> GradleExecGraphNodeExecutionInfo.Transform {
> vs.
> permits GradleExecGraphNodeExecutionInfo.Transform,
> GradleExecGraphNodeExecutionInfo.Task {
>
> I guess this structure (collection of permits?) is handled by the compiler
> using some sort of Set instead of a List thus we get a
> non-deterministic order.
> My fellow Gradle colleagues told me that they discovered such
> non-determinisms in the past and the reasons were very similar.
>
> I hope it's helpful and can unblock you from digging deeper? 🤞🏻
>
> What's interesting is that javap isn't showing this difference. 🤔
>
> Cheers,
> Przemek
>
>
>
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