[jdk17u-dev] RFR: 8369226: GHA: Switch to MacOS 15 [v2]

[Aleksey Shipilev]

On Tue, 4 Nov 2025 11:19:19 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> Making GHA more stable.
>
> Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains three additional commits since the last revision:
> 
>  - Merge branch 'master' into JDK-8369226-gha-macos15
>  - Merge branch 'master' into JDK-8369226-gha-macos15
>  - Backport 1ea8cfa6dc8e6f96fd87553331abaae17ec173ea

Bleh. Also needs https://github.com/openjdk/jdk17u-dev/pull/3974.

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PR Comment: https://git.openjdk.org/jdk17u-dev/pull/4115#issuecomment-3485718493