[jdk17u-dev] RFR: 8369226: GHA: Switch to MacOS 15

[Martin Doerr]

On Mon, 27 Oct 2025 16:25:13 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> > LGTM
> 
> Gaaaaah! You jinxed it! There are compiler warnings with new compiler, so GHA does not work. I'll take a look...

Hehe :-) Seems like [JDK-8294594](https://bugs.openjdk.org/browse/JDK-8294594) needs to get backported, first.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/4115#issuecomment-3452318879