Withdrawn: 8349716: IllegalAccessError when Proxy methods return object of a package-private type

[Chen Liang]

On Tue, 11 Feb 2025 17:56:04 GMT, Chen Liang <liach at openjdk.org> wrote:

> The return value adaption of Proxy is problematic, that it may attempt to access package-private types inaccessible to its package in a `checkcast` instruction, which causes `IllegalAccessError` if the returned object is not `null`. This likely affects all Java versions since the publication of OpenJDK.
> 
> A practical effect of this is that if a repeatable annotation is package-private but the container is not, user code cannot access the `value` element in the container annotation.
> 
> All added tests except `PackagePrivateContainerTest::testGetRepeatable` fail on current mainline and pass with the ProxyGenerator patch.
> 
> Testing: Running tier 1-3

This pull request has been closed without being integrated.

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PR: https://git.openjdk.org/jdk/pull/23567