[jdk17u-dev] RFR: 8289486: Improve XSLT XPath operators count efficiency

[Goetz Lindenmaier]

I backport this for parity with 17.0.5-oracle.

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Commit messages:
 - Backport 3212dc9c6f3538e1d0bd1809efd5f33ad8b47701

Changes: https://git.openjdk.org/jdk17u-dev/pull/566/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=566&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8289486
  Stats: 59 lines in 2 files changed: 31 ins; 4 del; 24 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/566.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev pull/566/head:pull/566

PR: https://git.openjdk.org/jdk17u-dev/pull/566