RFR: 8339167: Remove AbstractPoolEntry.PrimitiveEntry to reduce boxing overheads

[Chen Liang]

On Wed, 28 Aug 2024 14:27:45 GMT, Claes Redestad <redestad at openjdk.org> wrote:

> Removing PrimitiveEntry reduces boxing/unboxing and removes a class.

src/java.base/share/classes/jdk/internal/classfile/impl/AbstractPoolEntry.java line 1044:

> 1042:         @Override
> 1043:         void writeTo(BufWriterImpl pool) {
> 1044:             pool.writeU1(ClassFile.TAG_INTEGER);

Please either remove this change or propagate this change to all primitive number entries.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20749#discussion_r1734805023