RFR: 8253424: Add support for running pre-submit testing using GitHub Actions [v2]

[Aleksey Shipilev]

On Tue, 26 Jul 2022 19:05:31 GMT, Andrew John Hughes <andrew at openjdk.org> wrote:

>> Hi all,
>> 
>> This pull request contains a backport of commit [10029f78](https://github.com/openjdk/jdk8u-dev/commit/10029f784ef7be458a7b6ff3cc21649ff0abb6f3) from the [openjdk/jdk8u-dev](https://git.openjdk.java.net/jdk8u-dev) repository, which enables GitHub Actions for the Shenandoah 8u fork.
>> 
>> The commit being backported was authored by Andrew John Hughes on 6 Apr 2022 and was reviewed by Severin Gehwolf.
>> 
>> Thanks!
>
> Andrew John Hughes 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 six additional commits since the last revision:
> 
>  - Merge remote-tracking branch 'origin/master' into JDK-8253424
>  - Merge remote-tracking branch 'origin/master' into JDK-8253424
>  - 8241768: git needs .gitattributes
>    
>    Reviewed-by: erikj, jvernee, ehelin
>  - Remove specification of minor version and package release data from GCC dependency
>  - Fix JCheck tag regex
>  - Backport 10029f784ef7be458a7b6ff3cc21649ff0abb6f3

Well, I don't see it running cleanly, so there seems to be no point in pushing it just yet. Was that intermittent? Can we run the GHA again for this PR?

There is also `.github/workflows/freetype.vcxproj` file in this PR, which seems superfluous.

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PR: https://git.openjdk.org/shenandoah-jdk8u/pull/3