RFR: 8354556: Expand value-based class warnings to java.lang.ref API [v12]

Sat May 10 20:40:54 UTC 2025

On Sat, 10 May 2025 20:28:39 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 incrementally with one additional commit since the last revision:
> 
>   Update src/jdk.compiler/share/classes/com/sun/tools/javac/code/Lint.java
>   
>   Co-authored-by: Chen Liang <liach at openjdk.org>

FYI, this issue now effectively fixes [JDK-7004476 Lint.LintCategory should support aliases](https://bugs.openjdk.org/browse/JDK-7004476), which happened to be closed as "Rejected" on Monday. Not sure if anything needs to be done.

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PR Comment: https://git.openjdk.org/jdk/pull/24746#issuecomment-2869145567