The `@Stable` on the `index` field is incorrect, as stable only avoids inlining `0`. Solution is to use bit flip on the actual index (and rename the field to `flippedIndex`), so we use -1 to -256 (mapping to 0 to 255) and 0 the default value is used as an unset indicator.
------------- Commit messages: - 8335922: Incorrect stable usage of LambdaForm$Name.index Changes: https://git.openjdk.org/jdk/pull/20178/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20178&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8335922 Stats: 21 lines in 2 files changed: 0 ins; 0 del; 21 mod Patch: https://git.openjdk.org/jdk/pull/20178.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20178/head:pull/20178 PR: https://git.openjdk.org/jdk/pull/20178
