[jdk17u-dev] RFR: 8303508: Vector.lane() gets wrong value on x86

[Goetz Lindenmaier]

I backport this for parity with 17.0.8-oracle.

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Commit messages:
 - Backport d61de141eb8ba52122db43172429f9186ea47e61

Changes: https://git.openjdk.org/jdk17u-dev/pull/1311/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1311&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8303508
  Stats: 91 lines in 3 files changed: 87 ins; 3 del; 1 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1311.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1311/head:pull/1311

PR: https://git.openjdk.org/jdk17u-dev/pull/1311