RFR: 8339317: Optimize ClassFile writeBuffer [v6]

[Chen Liang]

On Wed, 4 Sep 2024 00:36:39 GMT, Shaojin Wen <swen at openjdk.org> wrote:

>> A small optimization, optimize the BufferWriter implementation and use of ClassFile, provide faster patchInt and skip
>
> Shaojin Wen has updated the pull request incrementally with two additional commits since the last revision:
> 
>  - Eliminate redundant variables
>  - buf skip

src/java.base/share/classes/jdk/internal/classfile/impl/AbstractPoolEntry.java line 449:

> 447:                         }
> 448:                         int byteLengthFinal = byteLength;
> 449:                         pool.patchU2(pool.size() - i - 2, byteLengthFinal);

This change is causing conflict with your utf8 writing enhancement. Can you revert this change and squash commits, or merge latest master to fix this conflict?

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PR Review Comment: https://git.openjdk.org/jdk/pull/20780#discussion_r1746202190