RFR: 8282944: GHA: Add Alpine Linux x86_64 pre-integration check [v3]

[Magnus Ihse Bursie]

On Thu, 10 Mar 2022 11:09:55 GMT, George Adams <duke at openjdk.java.net> wrote:

>> Adds Alpine build CI job to the GitHub actions submit.yml. I can add tests too if people think that would be useful but for now I've left it as just build.
>
> George Adams has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:
> 
>   change upload bundle ID

I was not very fond of adding x86 testing to GHA either. :-) I will not enter the fight if that should be removed. (But my personal opinion is that it makes a whole lot more sense to test on a 32-bit architecture than just a different libc.)

If you can change this to just test hotspot, it'd definitely be an improvement. Building hotspot requires just a fraction of the resources needed to build the entire JDK.

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PR: https://git.openjdk.java.net/jdk/pull/7771