[jdk26] RFR: 8373525: C2: assert(_base == Long) failed: Not a Long

Mon Dec 22 13:26:27 UTC 2025

Hi all,

This pull request contains a backport of commit [a61a1d32](https://github.com/openjdk/jdk/commit/a61a1d32a2bbf227081b9da6d101071ceb73076a) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Damon Fenacci on 22 Dec 2025 and was reviewed by Christian Hagedorn and Manuel Hässig.

Thanks!

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Commit messages:
 - Backport a61a1d32a2bbf227081b9da6d101071ceb73076a

Changes: https://git.openjdk.org/jdk/pull/28953/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28953&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373525
  Stats: 117 lines in 2 files changed: 116 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/28953.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28953/head:pull/28953

PR: https://git.openjdk.org/jdk/pull/28953