<i18n dev> RFR: 8366178: Implement JEP 526: Lazy Constants (Second Preview)

[Jefferson Quesado]

On Thu, 2 Oct 2025 10:51:08 GMT, Per Minborg <pminborg at openjdk.org> wrote:

> Implement JEP 526: Lazy Constants (Second Preview)
> 
> The lazy list/map implementations are broken out from `ImmutableCollections` to a separate class.
> 
> The old benchmarks are not moved/renamed to allow comparison with previous releases.
> 
> `java.util.Optional` is updated so that its field is annotated with `@Stable`.  This is to allow `Optional` instances to be held in lazy constants and still provide constant folding.

src/java.base/share/classes/sun/nio/ch/Net.java line 99:

> 97:     }
> 98: 
> 99:     private static final LazyConstant<Boolean> SHUTDOWN_WRITE_BEFORE_CLOSE = LazyConstant.of(new Supplier<Boolean>() {

I wonder if there is a reason for not using `BooleanSupplier`.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27605#discussion_r2399205774