RFR: 8356390: Rename ResolvedIndyEntry::set_flags to set_has_appendix [v4]

[David Holmes]

On Mon, 12 May 2025 02:02:14 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> Oooh nah, I just realised. @dholmes-ora , we must have John's version because if we're setting it to `0` and the `_flags` already is `1` then it won't do anything.
>
> Hmmm so the complex machinations is not really about "preserving the other bits".

I was assuming the only possibility is to go from no-appendix to having-an-appendix

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PR Review Comment: https://git.openjdk.org/jdk/pull/25092#discussion_r2083711241