RFR: 8340011: Simplify jdk.internal.classfile.impl.EntryMap

[Chen Liang]

On Thu, 12 Sep 2024 13:26:45 GMT, Claes Redestad <redestad at openjdk.org> wrote:

> Minor refactoring to avoid the need to define two anonymous classes that override `EntryMap`. Minor speed-up in interpreter, as well.

Marked as reviewed by liach (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/20966#pullrequestreview-2300320268