[jdk26] RFR: 8354282: C2: more crashes in compiled code because of dependency on removed range check CastIIs

Thu Dec 18 08:40:00 UTC 2025

Hi all,

This pull request contains a backport of commit [00068a80](https://github.com/openjdk/jdk/commit/00068a80304a809297d0df8698850861e9a1c5e9) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Roland Westrelin on 10 Dec 2025 and was reviewed by Christian Hagedorn, Quan Anh Mai, Galder Zamarreño and Emanuel Peter.

Thanks!

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Commit messages:
 - Backport 00068a80304a809297d0df8698850861e9a1c5e9

Changes: https://git.openjdk.org/jdk/pull/28892/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28892&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8354282
  Stats: 367 lines in 13 files changed: 266 ins; 27 del; 74 mod
  Patch: https://git.openjdk.org/jdk/pull/28892.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28892/head:pull/28892

PR: https://git.openjdk.org/jdk/pull/28892