On Wed, 29 Jul 2026 14:53:25 GMT, David Simms <[email protected]> wrote:
>> This is a "*sub-review pull request*" for the first >> [preview](https://openjdk.org/jeps/12) of [JEP 401: Value >> Objects](https://openjdk.org/jeps/401), specifically >> [JDK-8317278](https://bugs.openjdk.org/browse/JDK-8317278): JVM >> implementation of value objects. >> >>> [!NOTE] >>> This pull request and the other sub-review pull requests listed below are >>> based on the "*master pull request*" >>> (https://github.com/openjdk/jdk/pull/31120). It contains the same full set >>> of code changes as the "*master pull request*" to preserve the full >>> implementation context; the language compiler, JVM, and standard library >>> changes are intertwined. This separate pull requests exist only to >>> subdivide the review and related discussion by area. >> >> Other areas for review: >> >> - [JDK-8317277](https://bugs.openjdk.org/browse/JDK-8317277): Java language >> implementation of value objects >> - https://github.com/openjdk/jdk/pull/31121 >> - [JDK-8317279](https://bugs.openjdk.org/browse/JDK-8317279): Standard >> library implementation of value objects >> - https://github.com/openjdk/jdk/pull/31123 >> >> Code changes resulting from the review process should be made in >> [`valhalla/lworld`](https://github.com/openjdk/valhalla/). >> >> `valhalla/lworld` is currently updated from `jdk/master` whenever a weekly >> [`jdk` tag](https://github.com/openjdk/jdk/tags) is created. At that time, >> code changes from `valhalla/lworld` will be propagated to the master pull >> request and to all sub-review pull requests, including this one. >> >> Ultimately, review sign-off will be recorded on the "*master pull request*", >> and this pull request will be closed without integration. >> >> This pull request has a large code surface area and often conflicts with >> `jdk/master` on a daily basis. Refer to >> [`valhalla/lworld`](https://github.com/openjdk/valhalla/) for the latest >> state of the project code, keeping in mind that it may lag several days >> behind `jdk/master`. Both repositories may be needed as references during >> review. >> >> --------- >> - [x] I confirm that I make this contribution in accordance with the >> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). > > David Simms has updated the pull request with a new target base due to a > merge or a rebase. The pull request now contains 2935 commits: > > - Merge branch '8317277' into jep401_sub_review_8317278 > - Merge remote-tracking branch 'valhalla/lworld' into 8317277 > - 8389322: [lworld] Disable TestNullableInlineTypes::test103() until > JDK-8389088 is fixed > > Reviewed-by: thartmann, dcubed > - 8389085: [lworld] C2: assert(field_value != nullptr) failed in > PhaseMacroExpand::inline_type_from_mem > > Reviewed-by: mhaessig, chagedorn > - 8388966: [lworld] compiler/igvn/TestMaskedStoreIdealization.java fails > with Valhalla > > Reviewed-by: mchevalier, thartmann > - 8388928: [lworld] ProblemList > compiler/vectorapi/TestVectorReassociations.java > > Reviewed-by: thartmann > - Merge > > Merge jdk-28+8 > - Merge > > Merge jdk-28+7 > - 8388318: [lworld] jdk.internal.value.Deserializer annotation should not be > honored on application classes > > Reviewed-by: dlsmith, alanb, jpai > - 8388462: [lworld] Provide more context about wrapper class caches > > Reviewed-by: darcy, thartmann > - ... and 2925 more: https://git.openjdk.org/jdk/compare/5428159f...64224e8b It's done, thanks everyone: https://github.com/openjdk/jdk/pull/31120 ------------- PR Comment: https://git.openjdk.org/jdk/pull/31122#issuecomment-5137926213
