> This PR proposes to add the `@Stable` annotation to `j.l.String.hash` and > `j.l.String.hashIsZero`. This means the VM can trust these fields to never > change which enables constant folding optimizations. > > This PR is tested in tier1, tier2, tier3, and tier4 which all pass.
Per Minborg has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains four additional commits since the last revision: - Remove @Stable annotation from hashIsZero, add benchmark - Merge branch 'master' into string-stable-fields - Update copyright year - Annotate fields with @Stable ------------- Changes: - all: https://git.openjdk.org/jdk/pull/24625/files - new: https://git.openjdk.org/jdk/pull/24625/files/04184d06..89cc60ce Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=24625&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24625&range=00-01 Stats: 196452 lines in 612 files changed: 26247 ins; 168588 del; 1617 mod Patch: https://git.openjdk.org/jdk/pull/24625.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/24625/head:pull/24625 PR: https://git.openjdk.org/jdk/pull/24625