[vectorIntrinsics] RFR: 8255280: Fix trivial merge conflicts for JDK-8253211

[Ningsheng Jian]

My patch JDK-8254884 in jdk mainline and JDK-8253211 in panama vectorIntrinsics have some conflicts, which causes a partial merge. This fixes vectorIntrinsics to align with jdk mainline.

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Commit messages:
 - 8255280: Fix trivial merge conflicts for JDK-8253211

Changes: https://git.openjdk.java.net/panama-vector/pull/18/files
 Webrev: https://webrevs.openjdk.java.net/?repo=panama-vector&pr=18&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8255280
  Stats: 14 lines in 3 files changed: 0 ins; 12 del; 2 mod
  Patch: https://git.openjdk.java.net/panama-vector/pull/18.diff
  Fetch: git fetch https://git.openjdk.java.net/panama-vector pull/18/head:pull/18

PR: https://git.openjdk.java.net/panama-vector/pull/18