8312976: MatchResult produces StringIndexOutOfBoundsException for groups outside match

[rgiulietti]

Hi all,

This pull request contains a backport of commit 61c58fdd from the openjdk/jdk repository.

The commit being backported was authored by Raffaello Giulietti on 4 Aug 2023 and was reviewed by Alan Bateman and Stuart Marks.

Thanks!

---

Progress

• Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• Change must not contain extraneous whitespace
• Commit message must refer to an issue

Issue

• JDK-8312976: MatchResult produces StringIndexOutOfBoundsException for groups outside match (Bug - P2)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk21.git pull/164/head:pull/164
$ git checkout pull/164

Update a local copy of the PR:
$ git checkout pull/164
$ git pull https://git.openjdk.org/jdk21.git pull/164/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 164

View PR using the GUI difftool:
$ git pr show -t 164

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk21/pull/164.diff

Webrev

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[bridgekeeper]

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[openjdk]

@rgiulietti The following label will be automatically applied to this pull request:

• core-libs

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[openjdk]

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

[mlbridge]

Webrevs

• 00: Full (e3684037)