[jdk24] RFR: 8345669: RISC-V: fix client build failure due to AlignVector after JDK-8343827

[Hamlin Li]

Hi,
Can you help to review this backport patch?
Thanks!

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Commit messages:
 - Backport a24b08fcb0b3784181096f5c669e57e110600056

Changes: https://git.openjdk.org/jdk/pull/22811/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22811&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345669
  Stats: 8 lines in 1 file changed: 4 ins; 4 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/22811.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22811/head:pull/22811

PR: https://git.openjdk.org/jdk/pull/22811