[jdk25u] RFR: 8358556: Assert when running with -XX:-UseLibmIntrinsic

Wed Oct 1 21:05:35 UTC 2025

Hi all,

This pull request contains a backport of commit [ef4cbec6](https://github.com/openjdk/jdk/commit/ef4cbec6fba77fd84b328d333f8592c6eedf1a2d) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Mohamed Issa on 11 Jun 2025 and was reviewed by Sandhya Viswanathan and Vladimir Kozlov.

Thanks!

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Commit messages:
 - Backport ef4cbec6fba77fd84b328d333f8592c6eedf1a2d

Changes: https://git.openjdk.org/jdk25u/pull/260/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u&pr=260&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8358556
  Stats: 19 lines in 2 files changed: 13 ins; 2 del; 4 mod
  Patch: https://git.openjdk.org/jdk25u/pull/260.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/260/head:pull/260

PR: https://git.openjdk.org/jdk25u/pull/260