[jdk21u-dev] RFR: 8325194: GHA: Add macOS M1 testing

[George Adams]

On Tue, 6 Feb 2024 15:38:36 GMT, George Adams <gdams at openjdk.org> wrote:

> Now that macOS M1 executors are [available in GitHub actions](https://github.blog/changelog/2024-01-30-github-actions-introducing-the-new-m1-macos-runner-available-to-open-source/) it makes sense to move the build to run on M1 (rather than cross-compiled) and also enable testing on the platform.

@shipilev still seeing the same error:


realpath: bootjdk/jdk: No such file or directory


I'm slightly confused but I'll do some investigation

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/238#issuecomment-1930077195