8285081: Improve XPath operators count accuracy

[yan-too]

I'd like to backport this fix expecting more contextually-related changes in future
Clean backport, tier2 OK.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8285081: Improve XPath operators count accuracy

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk13u-dev pull/374/head:pull/374
$ git checkout pull/374

Update a local copy of the PR:
$ git checkout pull/374
$ git pull https://git.openjdk.org/jdk13u-dev pull/374/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 374

View PR using the GUI difftool:
$ git pr show -t 374

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk13u-dev/pull/374.diff

[bridgekeeper]

👋 Welcome back yan! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[openjdk]

This backport pull request has now been updated with issue from the original commit.

[openjdk]

@yan-too This change now passes all automated pre-integration checks.

After integration, the commit message for the final commit will be:

8285081: Improve XPath operators count accuracy

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[mlbridge]

Webrevs

• 00: Full (5f089953)

[yan-too]

/integrate

[openjdk]

Going to push as commit 7f63e9a.

[openjdk]

@yan-too Pushed as commit 7f63e9a.

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