RFR: 8355668: RISC-V: jdk/incubator/vector/Int256VectorTests.java fails when using RVV [v3]

[Gui Cao]

> Hi, After https://github.com/openjdk/jdk/pull/24129, some tests run failed. due to the fact that the later predicate condition overrides the previous one.
> 
> ### Testing
> qemu-system 9.1.50 with UseRVV:
> 
> - [x] Run test/jdk/jdk/incubator/vector (fastdebug)

Gui Cao has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:

 - Merge branch 'master' into JDK-8355668
 - Code format
 - 8355668: RISC-V: jdk/incubator/vector/Int256VectorTests.java fails when using RVV

-------------

Changes: https://git.openjdk.org/jdk/pull/24910/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24910&range=02
  Stats: 28 lines in 1 file changed: 0 ins; 4 del; 24 mod
  Patch: https://git.openjdk.org/jdk/pull/24910.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24910/head:pull/24910

PR: https://git.openjdk.org/jdk/pull/24910