RFR: 8354556: Expand value-based class warnings to java.lang.ref API [v18]

[Jan Lahoda]

On Mon, 19 May 2025 14:35:40 GMT, Vicente Romero <vromero at openjdk.org> wrote:

>> This PR is defining a new internal annotation, `@jdk.internal.RequiresIdentity`, with target types PARAMETER and TYPE_PARAMETER. The @RequiresIdentity annotation expresses the expectation that an argument to a given method or constructor parameter will be an object with a unique identity, not an instance of a value-based class; or that the type argument to a given type parameter will not be a value-based class type.
>> 
>> For more details please refer to the complete description in the corresponding JIRA entry [1]
>> 
>> TIA
>> 
>> [1] https://bugs.openjdk.org/browse/JDK-8354556
>
> Vicente Romero has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 39 commits:
> 
>  - Merge branch 'master' into JDK-8354556
>  - review comments
>  - addressing review comments
>  - addressing review comments
>  - update warning message
>  - Merge branch 'master' into JDK-8354556
>  - Update src/jdk.compiler/share/classes/com/sun/tools/javac/code/Lint.java
>    
>    Co-authored-by: Chen Liang <liach at openjdk.org>
>  - additional changes from Archie
>  - removing dead code
>  - integrating code from Archie
>  - ... and 29 more: https://git.openjdk.org/jdk/compare/265d6301...904bd4cd

javac changes look good to me.

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Marked as reviewed by jlahoda (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/24746#pullrequestreview-2851310025