[jdk25u] RFR: 8361504: RISC-V: Make C1 clone intrinsic platform guard more specific

Wed Jul 23 15:46:46 UTC 2025

Hi all,

This pull request contains a backport of commit [54e37629](https://github.com/openjdk/jdk/commit/54e37629f63eae7800415fa22684e6b3df3648ec) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Feilong Jiang on 9 Jul 2025 and was reviewed by Fei Yang and Gui Cao.

Thanks!

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Commit messages:
 - Backport 54e37629f63eae7800415fa22684e6b3df3648ec

Changes: https://git.openjdk.org/jdk25u/pull/29/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u&pr=29&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8361504
  Stats: 2 lines in 2 files changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk25u/pull/29.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/29/head:pull/29

PR: https://git.openjdk.org/jdk25u/pull/29