Hi everyone, This change removes the remaining mandatory preloading path for null-restricted instance fields when loading classes from CDS. [JDK-8380053](https://bugs.openjdk.org/browse/JDK-8380053) already changed normal class loading so null-restricted field types are no longer loaded just because the field is null-restriced. Instead, the preloading is speculative and driven by the `LoadableDescriptor` attribute. The CDS path still had the older special case in `SystemDictionary::preload_from_null_free_field`, which could force loading of null-restricted field types.
This fix removes that CDS-only preload helper and routes non-static field signatures through the existing `LoadableDescriptor` path instead. This makes loading follow the same model as in `ClassFileParser::fetch_field_classes()` with speculative loading. Testing: - Tier 1-3 --------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - removed forced loading for nullrestricted Changes: https://git.openjdk.org/valhalla/pull/2409/files Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2409&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8382584 Stats: 47 lines in 2 files changed: 0 ins; 44 del; 3 mod Patch: https://git.openjdk.org/valhalla/pull/2409.diff Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2409/head:pull/2409 PR: https://git.openjdk.org/valhalla/pull/2409
