[jdk25u] RFR: 8366028: MethodType::fromMethodDescriptorString should not throw UnsupportedOperationException for invalid descriptors

[duke]

On Wed, 27 Aug 2025 15:40:36 GMT, Chen Liang <liach at openjdk.org> wrote:

> Please review this patch that fixes a bug with `MethodType::fromMethodDescriptorString` introduced in 22. Since this bug has not affected any LTS yet, I think it would be reasonable to fix this in 25 LTS releases before this behavior becomes an accidental dependency in LTS users.
> 
> Original PR: https://github.com/openjdk/jdk/pull/26909

@liach 
Your change (at version 56c30fc4dffb9a64f1e4ce897b293c59166a9539) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk25u/pull/139#issuecomment-3239257917