Withdrawn: 8271623: Omit enclosing instance fields from inner classes that don't use it

[duke]

On Tue, 3 Aug 2021 03:19:13 GMT, Liam Miller-Cushon <cushon at openjdk.org> wrote:

> This change omits the synthetic `this$0` field from inner classes that do not access any enclosing instance state.

This pull request has been closed without being integrated.

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PR: https://git.openjdk.java.net/jdk/pull/4966