[jdk21u-dev] Withdrawn: 8311939: Excessive allocation of Matcher.groups array

[duke]

On Tue, 9 Sep 2025 01:27:25 GMT, Rui Li <duke at openjdk.org> wrote:

> A clean backport for https://bugs.openjdk.org/browse/JDK-8311939.
> 
> This improves perf by not allocating excessive `groups` array. Tests are running. In tip for over 2 years and no related issues reported. Low risk.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk21u-dev/pull/2159