[jdk17u-dev] RFR: 8300207: Add a pre-check for the number of canonical equivalent permutations in j.u.r.Pattern

[Paul Hohensee]

On Thu, 17 Jul 2025 06:47:25 GMT, Goetz Lindenmaier <goetz at openjdk.org> wrote:

> I backport this for parity with 17.0.17-oracle.
> 
> Removed some comments as required by CSR

Marked as reviewed by phh (Reviewer).

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PR Review: https://git.openjdk.org/jdk17u-dev/pull/3765#pullrequestreview-3030900578