RFR: JDK-8289106: Add model of class file versions to core reflection [v4]

[Joe Darcy]

On Thu, 28 Jul 2022 20:37:30 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> JDK-8289106: Add model of class file versions to core reflection
>
> Joe Darcy has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Finish more precise versioned location support; udpate tests.
>  - Partial implementation of version-depdendent locations() with tests.

Updated the PR with implementations and tests for the version-specific location method.

CSR ready for review.

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PR: https://git.openjdk.org/jdk/pull/9299