RFR: 8294960: Convert java.base/java.lang.invoke package to use the Classfile API to generate lambdas and method handles [v6]

[Claes Redestad]

On Wed, 17 Apr 2024 15:21:32 GMT, Adam Sotona <asotona at openjdk.org> wrote:

>> java.base java.lang.invoke package heavily uses ASM to generate lambdas and method handles.
>> 
>> This patch converts ASM calls to Classfile API.
>> 
>> This PR is continuation of https://github.com/openjdk/jdk/pull/12945
>> 
>> Any comments and suggestions are welcome.
>> 
>> Please review.
>> 
>> Thank you,
>> Adam
>
> Adam Sotona has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 12 additional commits since the last revision:
> 
>  - applied suggested changes
>  - Merge branch 'master' into JDK-8294960-invoke
>  - Reversion of ClassBuilder changes
>  - Merge branch 'master' into JDK-8294960-invoke
>  - Apply suggestions from code review
>    
>    Co-authored-by: liach <7806504+liach at users.noreply.github.com>
>  - Apply suggestions from code review
>    
>    Co-authored-by: liach <7806504+liach at users.noreply.github.com>
>  - added missing comment
>  - fixed InnerClassLambdaMetafactory for hidden caller classes
>  - performance improvements
>  - consolidation of descriptors handling
>  - ... and 2 more: https://git.openjdk.org/jdk/compare/9359450b...304054b9

There is a slew of internal benchmarks testing lambda initialization. Some focused, many indirect. I've given a few pointers offline.

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PR Comment: https://git.openjdk.org/jdk/pull/17108#issuecomment-2062633171