RFR: 8373615: Improve HotSpot debug functions findclass() and findmethod [v2]

[Ioi Lam]

On Sat, 13 Dec 2025 02:00:11 GMT, Ashutosh Mehra <asmehra at openjdk.org> wrote:

> lgtm, although there are some test failures likely related to these changes.

I've fixed the test failures and added more test cases. The regexp checks needs to be disabled on Windows due to lack of support (see https://github.com/google/googletest/blob/main/docs/advanced.md#regular-expression-syntax)

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PR Comment: https://git.openjdk.org/jdk/pull/28796#issuecomment-3657568679